Select a Site:

Choose your region

Location
Speciality


No results found
  • Aaron Rogers

    Aaron Rogers

    Account Manager

    Contact
    Specialty

    Seed Treatments & Inoculants

    Information

    Aaron grew up in Huron, SD, and graduated from South Dakota State University with a degree in Agronomy. Prior to joining Verdesian, he worked as a territory sales representative with Edgewell Ag Products, and as a sales agronomist for AgFirst Farmers Cooperative in Aurora, SD. Aaron lives in Brookings, SD, with his wife, Amelia. Outside of work, Aaron likes to spend his time playing golf, hunting, fishing and playing hockey.

  • Alan Sparkman

    Alan Sparkman

    Vice President of Sales for the East & South Regions

    Contact

    Phone (615) 504-3239

    Information

    Alan Sparkman is Vice President of Sales for the East & South Regions of the US. for Verdesian. Sparkman spent 24 years with Tennessee Farmers Coop as the Marketing and Ag Technology Manager for the Agronomy Division, supporting retail customers with their seed, crop protection and plant nutrition needs. Sparkman graduated from Auburn University with a Bachelor of Science Degree in Agronomy and Soils and is a Certified Professional Agronomist with the American Society of Agronomy. Sparkman also serves on the International Certified Crop Advisor[...] Board, the Tennessee Certified Crop Advisor Board and Tennessee Grassland Board. Alan resides in the Nashville, Tennessee area.

  • Andy Snell

    Andy Snell

    Account Manager

    Contact

    Phone (308) 655-0971

    Specialty

    Plant Nutrition

    Information

    Andy Snell is responsible for product sales, distributor relations and technical support throughout his territory. Before joining Verdesian, Andy was a regional manager for Specialty Fertilizer Products. Andy has also held various roles in agronomy sales and crop consulting in the Nebraska area. He previously was the Nebraska area business manager for MANA of North America. Andy earned a bachelor’s degree with distinction in science and agronomy from Iowa State University.

  • Andy Ulmer

    Andy Ulmer

    Account Manager

    Contact

    Phone (731) 441-4768

    Specialty

    Plant Nutrition

    Information

    Andy Ulmer is Technical Sales Representative for Tennessee, northern Alabama, northern Mississippi and Arkansas.

    Andy comes to Verdesian from Tennessee Farmers COOP System in west Tennessee and has worked as an agronomy specialist since 2008, where he developed and executed sales and marketing plans, handled and analyzed soil and tissue testing, developed nutrient management plans, and employee training around soil fertility, plant health, weed control and seed placement. He has also served four years as a sales agronomist with Delta Growers A[...]ssociation in East Prairie, MO, and eight years as a store manager and team leader with Royster Clark in Sikeston, MO.

    He is a member and past president of the Tennessee Forage and Grassland Council; a Farm Bureau board member, where he serves as New Member Chairman; the FSA Steering Committee member; and serves as an agricultural advisor to the local high school. He holds a degree in Agricultural Business from Freed Hardeman University in Henderson, TN.

    Andy was born and raised in the Bootheel of Missouri on his family’s farm. He met his wife, Carol, at college and has been married for 23 years, with three children between the ages of nine and 18.

    The Ulmers reside on a cattle farm in Perry County, TN. He spends family time enjoying rodeos and camping.

  • Ashely Hoffman

    Ashely Hoffman

    Account Manager

    Contact

    Phone 515-509-6607

    Specialty

    Plant Nutrition

    Information

    Ashley Hoffman grew up in north central Wisconsin on a large grain farm. With agriculture deep in her roots, she decided early on to pursue a career in agriculture. She started her career in retail in North Dakota after college. After a few years out west, she moved home and most recently worked as an Agronomist for Syngenta before coming to Verdesian Life Sciences .She has had sales roles with United Suppliers, WinField United, and most recently Hocking International.

  • Ben McLean

    Ben McLean

    Account Manager

    Contact

    Phone (352) 267-4848

    Specialty

    Plant Nutrition

    Information

    Ben McLean is a fourth generation Florida citrus grower who serves as a technical sales specialist for the Florida market. In 1993, he founded McLean Ag Chem Inc. and serves as president to this day. Having worked with Nutri-Phite® products for many years, he specializes in research and product development. Ben holds a Master’s degree in Horticultural Sciences from the University of Florida.

  • Brandon Neuman

    Brandon Neuman

    Account Manager

    Contact

    Phone (406) 450-1460

    Specialty

    Seed Treatments & Inoculants

  • Carter Ash

    Carter Ash

    Manure Treatment Specialist

    Contact
    Specialty

    Manure Management

    Information

    Carter Ash is a technical sales representative for the More Than Manure® technology in Minnesota, Wisconsin, Iowa, and Nebraska. He was assistant manager at Federated Coops prior to joining Verdesian. Growing up on the family farm, Carter has always been passionate about farming. Throughout his career at Federated Coops, he developed an interest in the science behind the products that he worked with and developed a passion for assisting farmers in utilizing these products effectively and efficiently.

    He received his Bachelor’s degree in Agricu[...]ltural Business with an emphasis in Farm and Ranch Management at Southwest Minnesota State University in Marshall, MN.
    Carter currently resides in Milaca, MN, where he was born and raised. In his free time, Carter enjoys spending time with his wife, Kayla, four-wheeling, woodworking and working on his small hobby farm. He is also thrilled about becoming a dad in July.

  • Chris Wynn

    Chris Wynn

    Technical Service Manager

    Contact

    Phone (360) 768-7978

    Information

    Chris is a Technical Service Manager for Verdesian Life Sciences.

    His work experience is very diverse, having worked as a commercial harvesting operator, crop consultant, and as a technical agronomist. Chris extensive experience with precision agricultural technology and recently emerging drone imaging.

    Chris holds a Doctorate in Plant Health (D.P.H.) from the University of Nebraska, Lincoln. Chris went to college in Idaho; he earned his bachelor’s degree in Biology from Brigham Young University Idaho.

    While attending school in Idaho, Chr[...]is met his wife, Jill. They have been married for almost seven years and have two beautiful and rambunctious daughters – Gracie (3) and Allison (1.5). Outside of work, his hobbies and passions are outdoors. Chris is an avid hunter, fisherman and conservationist. He also loves raising game birds and waterfowl when city regulations permit it. Additionally, Chris received his private pilot’s license in 2015 and loves flying whenever he has an opportunity to do so.

  • Cody Reynolds

    Cody Reynolds

    Account Manager

    Contact

    Phone (402) 631-3527

    Information

    Cody Reynolds is an account manager for western Kansas and eastern Colorado.

    Cody previous experience includes Territory Business Manager for Acadian Seaplants Limited in Dartmouth, NS, Canada, where he worked to build a market for the launch of Toggle through Winfield-United owners; educated growers, agronomists, and distribution partners; and developed a strategic marketing plan for his territory. Prior to Acadian Seaplants Limited, Cody spent more than three years in Agronomy Sales with Cooperative Producers, Inc., in Giltner, NE. He also [...]worked as a Location Manager for two years at Farm & Garden South in Norfolk, NE, and two-plus years in Agronomy Sales with Farmers Pride in Osmond, NE.

    Cody is a Nebraska native who earned an Associate’s degree in Agribusiness from Northeast Community College in Norfolk, NE, and a Bachelor’s degree in Applied Sciences from the University of Nebraska. He resides in south-central Nebraska with his wife, Brittany, and son, Deklin.

  • Dan Crossley, CCA

    Dan Crossley, CCA

    Account Manager

    Contact


    Phone 208-941-8226

    Specialty

    Plant Nutrition

    Information

    Dan Crossley has enjoyed his role as a trusted adviser to growers for nearly 30 years. He began his career in agriculture with BioFlora, where he worked for 11 years. There he gained experience as an operator and later as a sales representative. He was a crop adviser for Simplot for 19 years before joining Verdesian Life Sciences in September 2020, and has been an accredited Certified Crop Advisor (CCA) since 1997.

  • Dave Schwartz, CCA

    Dave Schwartz, CCA

    Executive VP, Sales, Plant Nutrition

    Contact

    Phone (712) 579-4184

    Specialty

    Plant Nutrition

    Information

    Dave Schwartz is executive vice president of sales in plant nutrition for Verdesian. Prior to this role, Dave served as vice president of new product development for Specialty Fertilizer Products and sales manager for Van Diest Supply Co., as well as sales representative and trainer for Ciba Geigy. Dave earned his bachelor's degree in business management and mass communications from Buena Vista University.

  • David Keimig

    David Keimig

    Account Manager

    Contact

    Phone (309) 275-9915

    Information

    David Keimig is an account manager for western Illinois.

    David was born in western Illinois on a family grain and livestock farm, one of six kids. He attended Western Illinois University where he earned a Bachelor’s of Science degree in Ag Business. David spent 30 years in the seed and chemical industry in west-central Illinois and northwest Indiana. Most recently he worked as a Retail Account Manager with DuPont Crop Protection in Illinois, where he grew sales by 168 percent in two seasons. Prior to that, David worked as an Area Sales Manag[...]er, a Sales Effectiveness Manager, an Account Manager, and a Field Sales Agronomist with Pioneer Hi-Bred International in Indiana and Illinois.

    It was at Western Illinois where he met his wife Nancy; on Thanksgiving, they celebrated 28 years of marriage. The Keimigs have three children: Margot, Anne and Jack. In his free time, he is active in his church and coaches his kids’ teams, as well as working around the house and on his International Scout. You will often see David in red because he roots for Nebraska Cornhuskers football and St. Louis Cardinals baseball.

  • Deb Johnson

    Deb Johnson

    Account Manager

    Contact

    Phone (402) 669-7273

    Information

    Deb Johnson is Verdesian's account manager for northeast Nebraska.

    Deb grew up on a family grain and livestock farm in Columbus, NE – a farm that is still in operation today. She parlayed that background into positions with leading agriculture companies. She comes to Verdesian after six years with DuPont Crop Protection in Omaha, NE. She originally joined DuPont as a Sales Agronomist functioning in northeast Nebraska, southeast South Dakota and southwest Minnesota. She eventually became a Technical Sales Agronomist for northeast Nebraska w[...]here she built a base of nine Pioneer Account Managers and 60 sales representatives. In this capacity, she doubled sales to $13 million. Deb also spent 13 years as a Territory Sales Lead with Syngenta in Yankton, SD, and three years as a Sales Lead Representative with Novozymes Biologicals in Omaha. She also has experience in real estate.

    Deb earned a Bachelor’s degree in Marketing and also an MBA. In her free time, she enjoys riding (as a passenger) Harley-Davidsons, swimming, reading, and spending time with friends and family. She and her husband, Kelly, have a large family with whom they enjoy many sports and activities. They both have a love for the state of South Dakota.

  • Eric Luce

    Eric Luce

    Technical Development Manager, Plant Nutrition

    Contact

    Phone (317) 464-0076

    Specialty

    Plant Nutrition

    Information

    Eric Luce is technical development manager for the eastern corn belt. Eric has extensive agronomic experience in the U.S. and around the world encompassing operations management, business strategy and product development. He has been accountable for global end-to-end seeds technology investigation and implementation of agriculture seeds industry-based processes and equipment. He also provided capital strategy for prioritization and justification to successfully equip seed growing and processing sites to thrive in a safe and cost-effective envir[...]onment.

    Eric worked as a global crop technology leader and a process safety specialist – Global Seeds at Dow AgroSciences. Prior to working at Dow, Eric spent 11 years with DuPont Pioneer as a location production manager, as well as an assistant location production manager and as a senior agronomist.

    Eric earned a Bachelor of Science in General Agriculture from Southern Illinois University, his MS in Agronomy – Crop Sciences from the University of Illinois, Urbana, and an Executive Master of Business Administration from the Pioneer Institute at Purdue University. Eric is a Certified Professional Agronomist (CPAg) and a Certified Crop Advisor (CCA), and he is active in the American Society of Agronomy. His family has farmed in central Illinois for many generations.

  • Greg Sanford

    Greg Sanford

    Account Manager

    Contact

    Phone (517) 206-8606

    Information

    Greg Sanford
    Greg Sanford is Verdesian Life Sciences Technical Sales Representative serving retailers and growers in Ohio and Michigan for Verdesian’s nutrient use efficiency solutions.

    Greg Sanford has been involved in production agriculture for 10 years. After graduating from The Ohio State University with a Bachelor of Science he started out as an intern for Winfield under the regional agronomist for Michigan and Ohio running spray demo’s and plant nutrition trials. Greg spent four years in agronomy sales and management for Eaton Farm Bure[...]au Coop in Charlotte, Michigan. Following his time their he spent five years with Winfield Untied in multiple roles with his most recent being Plant Nutrition and Performance DSM covering Michigan and Ohio. Greg has also worked in specialty crop and T&O roles focused on plant nutrition and soft chemistry.

    Greg and his wife Alysa, own and operate a small centennial family farm in Rives Junction, Michigan. They raise corn, soybeans, wheat, hay, pumpkins, squash, and a small amount of livestock as well as 5 children. Greg sits on the board of directors for the county Conservation District and has been active in the county and state Farm Bureau and his church. The family enjoys traveling and spending their summers at a family cabin on Lake Michigamme in Michigan’s upper peninsula and their days there on the beaches of Lake Superior!

  • Jake Socherman

    Jake Socherman

    Vice President of Sales – Specialty Micronutrients

    Contact

    Phone (503) 789-3950

    Specialty

    Micronutrients

    Information

    As director of sales, specialty micronutrients, Jake Socherman is responsible for handling key accounts, customer service, sales and product design and development. For over 20 years, he has worked for distribution and manufacturing companies, offering fertilizer products to the turf, ornamental and specialty agriculture industries. Jacob has expertise in plant nutrition and fertilizer technologies.

  • Jamie Jones

    Jamie Jones

    Account Manager

    Contact

    Phone (507) 525-8059

    Information

    Jamie Jones is an Account Manager for southern Minnesota. Prior to Verdesian Jamie spent two years as a Sales and Marketing Manager with FCA in a territory that covered parts of Minnesota and Iowa, managing and coaching six agronomists while managing and growing all areas of sales for that company. Prior to that she spent a couple of years with WinField as a Region Agronomist in southwest Minnesota, where she offered sound agronomic advice and education to customers. Jamie has also spent several years in retail ag in southern MN.

    Jamie grew [...]up on a farm in southern Minnesota and always found production agriculture fascinating – but she is especially passionate about plant nutrition. She graduated with an Agronomy degree from South Dakota State University. In her spare time, she enjoys running, being on the lake, enjoying live music and spending time with her three boys.

  • Jill Hanson

    Jill Hanson

    Specialty Micronutrients Technical Product Manager

    Contact

    Phone 712-303-2455

    Specialty

    Micronutrients

    Information

    Jill Hanson is Verdesian Life Sciences' Specialty Micronutrients Technical Product Manager, assisting with providing technical support, guidance and training Specialty Micronutrients Hanson is based in Clarinda, Iowa.

    Jill grew up on a farm in Webb, which is located in northwest Iowa. She attended Iowa State University where she earned a bachelor’s degree in agriculture in 1995. She later earned her MBA in food and agribusiness from the Krannert School of Business at Purdue University. Jill has worked as a sales representative, sales train[...]er and district sales manager for the last 25 years – all in agriculture. She spent 15 years with DuPont Pioneer and the last four with Bayer Cropscience.

    Jill is a proud mother of three girls – Emma (12.5), Sydney (11) and Macy (8) – who keep her busy and on her toes. Jill enjoys spending time in Lake Okoboji on the water, and she also enjoys running, hiking, gardening and anything else outdoors.

  • Jim Pullins, CCA

    Jim Pullins, CCA

    Account Manager

    Contact

    Phone (740) 503-5038

    Specialty

    Seed Treatments & Inoculants

    Information

    Jim Pullins is a technical sales representative for the seed treatment & inoculant business. Pullins has extensive professional experience in production agriculture. This experience includes specialized knowledge in weed control, biotechnology, biological product integration and production systems in large grain operations.

    Prior to joining Verdesian, Pullins was a territory business manager at INTX. Other professional experience includes positions with Becker-Underwood, National City Bank and Monsanto. Pullins received a Bachelor of Science [...]degree in animal science from Eastern Kentucky University and has held his Certified Crop Advisor (CCA) certification for more than 15 years.

  • Joe Potts, CCA

    Joe Potts, CCA

    Account Manager

    Contact

    Phone (402) 670-7382

    Specialty

    Plant Nutrition

    Information

    Joe Potts joined Verdesian Life Sciences with more than a decade of experience in retail agriculture. Prior to joining Verdesian, Potts served as regional manager for Specialty Fertilizer Products, and he was a general manager of Fordyce Coop for 11 years. In 2002, he became a Certified Crop Adviser (CCA). Potts earned his Bachelor’s degree in Agronomy from the University of Nebraska-Lincoln.

  • Josh Lundy

    Josh Lundy

    Sales Director, North American Seed Treatment

    Contact

    Phone (605) 252-2136

    Specialty

    Seed Treatments & Inoculants

    Information

    Josh has more than 20 years of retail agronomy management experience. He came to Verdesian from South Dakota Wheat Growers in Aberdeen where he worked first as a sales manager before becoming a fertilizer marketing manager and then director of agronomy inputs. Lundy also has experience with Landmark Services Cooperative in Wisconsin, and Prairie Grain Partners LLC, Western Consolidated Cooperative, and Dawson Ag Service – all based in Minnesota. Lundy earned an Associates of Science, Agribusiness Management from Minnesota West Community College[...] in Canby, Minn.

  • Kevin Bauman

    Kevin Bauman

    Account Manager

    Contact

    Phone +1 (618) 521-7504

    Information

    Kevin is technical sales representative for southern Illinois and southeastern Missouri helping retailers and farmers reach and exceed their production goals by helping them to make informed decisions.

    Kevin has over twenty years of experience in ag retail, having worked seven years as a crop specialist for FS in South Central Illinois, three years as regional sales manager at Burrus Hybrids in East Central Illinois, nine years at DuPont Crop Protection and Corteva AgroSciences working Southeastern Illinois.

    Bauman holds Bachelor of Science d[...]egrees in Science Agronomy, B.S. Science Ag-Business from Southeast Missouri State University. He was proudly born and raised in Southern Illinois and spent the majority of his education and adult career in southeastern Missouri. Kevin enjoys hunting, fishing, and time with his family and friends.

  • Kevin Bodensteiner

    Kevin Bodensteiner

    Account Manager

    Contact

    Phone (319) 284-0635

    Information

    Bodensteiner serves northeast Iowa and southeast Minnesota as a technical sales representative for Verdesian. He grew up on a dairy farm in northeast Iowa and attended Iowa State University, where he earned a bachelor’s degree in dairy science. He started his career in the process dairy industry, where for 20 years, he worked as a quality control technician and a plant manager at various facilities across the country. Bodensteiner worked in agronomy sales for Dunkerton Co-op in Dunkerton, Iowa, and for Flint Hills Resources as an environmental,[...] health and safety manager at their Fairbank, Iowa, ethanol plant.

  • Kurt Seevers

    Kurt Seevers

    Technical Development Manager, Seed Treatments & Inoculants

    Contact

    Phone (402) 657-3957

    Specialty

    Seed Treatments & Inoculants

    Information

    Serving as a technical development manager, seed treatments & inoculants, Kurt Seevers has spent more than 25 years in various positions, including technical services, agronomy, sales, marketing and product development. Prior to joining Verdesian in 2014, he spent the previous 10 years working with Becker Underwood, most recently as field development leader for seed treatment in the U.S. Kurt transitioned to BASF Corporation with its acquisition of Becker Underwood, working as a senior field biologist with a focus on seed treatment biologicals.[...] Seevers holds a master's degree in entomology from the University of Missouri. He received his bachelor's degree, also in entomology, from the University of Nebraska.

  • Kyle Hartmeier, CCA

    Kyle Hartmeier, CCA

    Account Manager

    Contact

    Phone (509) 430-3362

    Specialty

    Plant Nutrition, Nutritionals and Polymers, Micronutrients

    Information

    Kyle Hartmeier is a technical sales representative for Verdesian Life Sciences. He also aides in product development for the Western region. Hartmeier was raised on a farm in eastern Washington and has worked in the agriculture industry for 27 years, where he has his CCA credentials and dealer manager license.

  • Mark Allen, PCA

    Mark Allen, PCA

    Account Manager

    Contact

    Phone (530) 304-9091

    Specialty

    Nutritionals and Polymers, Micronutrients, Plant Nutrition

    Information

    Mark Allen is Technical Sales Representative at Verdesian Life Sciences for the north-central California region. Mark has been involved in production agriculture for more than 11 years working with Crop Consultants, PCAs and growers to assist in improving harvestable yields. Prior to joining Verdesian, Mark was Northern California Territory Manager for Nufarm Americas. In addition to his PCA license, he is also the Chapter President of CAPCA in Woodland, CA. Mark earned his bachelor’s degree in Horticulture from California State Polytechnic Uni[...]versity, Pomona.

  • Mark Fuchs, CCA

    Mark Fuchs, CCA

    Account Manager

    Contact

    Phone (410) 200-8369

    Specialty

    Plant Nutrition

    Information

    Mark Fuchs joined Verdesian Life Sciences with a lifetime of crop and dairy production experience. Prior to joining Verdesian, Fuchs served as a regional manager for Specialty Fertilizer Products and a regional agronomist with Southern States Cooperative. He is a Certified Crop Adviser (CCA), has served as a CCA regional chairman and an international chairman, and was inducted into the Crop Consultant Hall of Fame by Ag Consultant magazine. Fuchs received a bachelor’s degree in dairy science from the University of Maryland.

  • Mike Zwingman

    Mike Zwingman

    Technical Development Manager

    Contact

    Phone (402) 366-3442

    Information

    Mike Zwingman is technical development manager for Colorado, Iowa, Kansas, Nebraska, North Dakota, South Dakota and Wyoming supporting Verdesian's nutritional and plant health product lines.

    Mike has 20 years of seed, ag retail, and agronomic experience in eastern Nebraska and is graduate of the University of Nebraska College of Agricultural Sciences and Natural Resources. He resides in Lincoln with his two daughters and enjoys pheasant hunting, attending the College World Series and helping out at his family’s farm.

  • Nick Muller

    Nick Muller

    Account Manager

    Contact

    Phone 712-249-0800

    Specialty

    Seed Treatments & Inoculants

    Information

    Nick grew up on his family’s farm in southwest Iowa and has spent his entire life in the agriculture industry. After graduating from Iowa State University with a degree in Agricultural Economics, Nick worked in various roles in livestock and row crop production, which included serving as a Sales Representative for Pioneer Hi-Bred. Nick entered the biological side of ag in 2012 as a Territory Manager for Novozymes, DSM for Monsanto BioAg and, most recently, as a seed treatment specialist for Bayer CropScience.

  • Phil Shelley, CCA

    Phil Shelley, CCA

    Account Manager

    Contact

    Phone (334) 790-9529

    Specialty

    Seed Treatments & Inoculants

    Information

    Since the beginning of 2015, Phil Shelley has served as a technical sales representative, seed treatments & inoculants for Verdesian. Shelley grew up on the farm, and has chosen to continue representing American agriculture through his 35 years of agribusiness experience. After working in several aspects of the industry, Shelley’s most substantial experience remains in seed, seed handling and seed treatment. In his current position, Shelley has developed and executed innovative marketing and territory plans, and maintained strong client relatio[...]nships. Shelley is also a Certified Crop Adviser (CCA), with a proficiency in peanut and cotton knowledge. He received his Bachelor’s of Science degree in Agronomy from Auburn University.

  • Phillip Frost

    Phillip Frost

    Technical Development Manager

    Contact

    Phone (585) 236-0640

    Information

    Phillip Frost is technical development manager for Verdesian's nutritional and plant health products in California, Arizona, Idaho, Nevada, Oregon, and Colorado.

    Phil has over 20 years of experience in agricultural businesses. He founded two agricultural startups in Zimbabwe where rural farmers were taught conservation agriculture practices and food provision. He has served as director of research and development at Integrity Propagation in Chatsworth, NJ prior to joining Verdesian.

    Phil holds a Master’s in Professional Studies in Internatio[...]nal Agriculture and Rural Development and a Master’s of Science in Agronomy with a focus on Soil Health, both from Cornell University. He also earned his MBA from Oxford Brooke’s University (Damelin Administered). He enjoys serving as liaison for farmers and scientists, increasing soil and water quality and farmer returns.

  • Rich Janssen, CCA

    Rich Janssen, CCA

    Account Manager

    Contact

    Phone (320) 979-2084

    Specialty

    Plant Nutrition

    Information

    Rich Janssen brings nearly 30 years of experience in farming, retail sales, wholesale sales and basic manufacturing to his role as technical sales representative with Verdesian. As a Certified Crop Adviser (CCA), Rich has expertise in Midwest and specialty crops, fertilizers, seed treatments and crop protection. Rich also owns a farm in central Minnesota.

  • Roger Sparenberg

    Roger Sparenberg

    Account Manager

    Contact

    Phone (765) 490-6782

    Information

    Roger Sparenberg is Technical Sales Representative at Verdesian Life Sciences for Indiana and Kentucky. Prior to Verdesian, Roger was an Agronomy Adviser for Winfield United from 2008 to 2019. He has also served six years as a crop research specialist, traveling all over the United States performing research and development trials. Roger was born and raised in northwest Indiana on his family’s farm. He met his wife, Tiffany, and they now reside around Lafayette, Ind. They have two children, Hayden (8) and Rainn (6). He spends his free time sh[...]owing cattle, participating in the 4-H program, and hunting.

  • Ryan Barham

    Ryan Barham

    Account Manager

    Contact

    Phone (317) 696-1720

    Specialty

    Plant Nutrition

    Information

    Ryan Barham is a technical sales representative for Verdesian's plant nutrition division. Prior to this role, Barham was a regional manager for Specialty Fertilizer Products, and he has also served as a demand team specialist for Chemtura AgroSolutions, where he worked with retail locations in Illinois, Indiana and Ohio. He has also worked for Makhteshim Agan of North America in various positions, including business leader for the Ohio Valley region. Barham has a farming background and was raised on a small farm in North Carolina. Barham earned[...] a bachelor’s degree in agribusiness from Mount Olive College in North Carolina.

  • Ryan Christianson

    Ryan Christianson

    Account Manager

    Contact

    Phone (701) 371-3363

    Specialty

    Seed Treatments & Inoculants

    Information

    Ryan Christianson brings 14 years of agriculture experience to his role as technical sales representative. Before joining Verdesian Life Sciences, he was an account manager for Legends Seeds and a territory sales representative for Crop Production Services. Ryan specializes in inoculants and seed treatments for soybeans and small grains.

  • Scott Ahrenholtz

    Scott Ahrenholtz

    Technical Service Manager

    Contact

    Phone (515) 686-0850

    Information

    Scott Ahrenholtz is Technical Service Manager at Verdesian in the mid-west US. Based in west-central Iowa, Scott is responsible for technical training, development and researching nutritional and polymer products in the region.

    Scott is a Certified Crop Advisor, with more than 27 years of experience in the agricultural industry, 24 of those in Iowa. He has spent the majority of his career working directly with crop input suppliers, agronomists, and agricultural producers. Most recently, he served as a Regional Agronomy Sales Manager with Land[...]us Cooperative. These combined experiences have provided him with strong agronomic, technical, and customer relationship skills. The determined application of these skills has been instrumental in his quest to advance profitable crop nutrient, crop protection, seed, and sustainable agricultural practices.

  • Tammy Klatt

    Tammy Klatt

    Account Manager

    Contact

    Phone (641) 485-7266

    Information

    Tammy Klatt is Verdesian's technical sales representative for northwest Iowa. Tammy has more than 15 years of experience in marketing and management. For the past six years, she has worked in soil management with farmers, where she has focused on water quality, developing new markets, growing current product lines and increasing revenue for The Pinnacle Group out of Iowa Falls, IA. In this role, she has also had success in recommending and promoting the More than Manure® product to livestock farmers. She is also a strong advocate for the 4Rs of[...] nutrient stewardship platform. She earned a degree in Communications and Business from Mt. Hood Community College in Gresham, OR.

    Klatt and her husband, Larry, have been married for 17 years and live in Dows, IA. They have a daughter, Jessica, who is pursuing her RN. In her spare time, Tammy works on home improvement projects, enjoys kayaking and fishing, and spending time with family and friends.

  • Tim Book

    Tim Book

    Vice President, Western Cornbelt

    Contact

    Phone (816) 509-6737

    Specialty

    Plant Nutrition

    Information

    Tim Book is a technical sales representative for Verdesian's plant nutrition division. Book joins Verdesian Life Sciences with more than 20 years of experience in the agricultural industry. Before joining Verdesian, Book served as regional manager at Specialty Fertilizer Products and has also been an area business leader for the MANA Crop Protection sales team, Syngenta, Novartis and Ciba Geigy, in both the crop protection division and seed division as a territory manager. Book earned his bachelor’s degree from Buena Vista University.

  • Andrew Duff

    Andrew Duff

    Vice President, US Sales, Nutritionals and Polymers

    Contact
    Information

    Andrew Duff serves as Verdesian Life Sciences’ Senior VP, US Sales, Nutritionals and Polymers. Andrew is responsible for managing sales activities, management of assigned Region VPs, National Accounts, National Equipment Programs, Governmental Affairs and Special Projects with objective achievement for the Agriculture & Turf Market in the U.S. for Verdesian. Andrew leads the Commercial Senior Management Team based in the Memphis area.

    Andrew was raised on a farm in the Mississippi Delta and has a diverse background in U.S. agriculture. After [...]leaving the family farm, Andrew attended business school at the University of Mississippi and then obtained a law degree and MBA from Mississippi College. After a few years of practicing law, his passion for agriculture led him back to the ag industry where he worked as a chemistry sales rep for Valent and then Monsanto. While at Monsanto, Andrew held positions as U.S. Corn Trait Marketing Manager, Regional Account Manager, Area Business Manager and Deltapine Marketing Manager.

    In 2013, Andrew joined Pinnacle Agriculture, a newly formed company aspiring to create a national retail and distribution business in the U.S. At Pinnacle, Andrew held leadership roles as Regional Business Director, VP of Marketing, National Sales Manager, and VP of Seed Strategy and Procurement. Most recently, Andrew led a team to create a new seed company, Mission Seed Solutions, LLC, under the Pinnacle Agriculture corporate umbrella. Today Pinnacle is the fifth largest retailer in the U.S.

    Andrew and his wife, Tracy, have two children, Brady (10) and Reagan (6) and live in the Memphis metropolitan area.

  • Chuck Broughton

    Chuck Broughton

    Vice President, Seed Treatments & Inoculants Business Development

    Contact
    Information

    Charles “Chuck” Broughton is vice president of business development for Verdesian’s seed treatments and inoculants division in the United States and Canada. A current resident of south central Iowa, Chuck brings nearly 30 years of experience to lead the seed treatment and inoculant sales team. His position is focused on expanding a rapidly growing line of new product innovations and gaining commitment among team members to bring a creative edge to the seed treatment and inoculant market. Prior to this position, he served as the global commercia[...]l director for the DuPont Pioneer seed treatment division, where he launched seed treatments in the Americas and implemented marketing strategies on a global level. Additionally, Chuck has worked for Novozymes Bioag Group, where he led sales and marketing teams, as well as EMD Crop Bioscience, Strategic Diagnostics Inc., Meteorlogix, Pharmacia Corporation and Novartis Crop Protection. He is an alumnus of Iowa State University’s agricultural business program.