SALES MANAGEMENT

Eric Sherwood

President  and  National Sales Manager

Eric is responsible for the growth and development of the Ag Spectrum independent associate network who bring the Maximum Farming System® to the farm. He came to Ag Spectrum in 2009 after serving as a regional manager for Precision Planting, where he led dealer recruitment and sales for 250 dealers in 27 western states. Previously, he worked 13 years with Farmland Industries and as a private consultant to ag retailers. Eric was raised on a diverse crop and livestock operation. He holds a bachelor’s degree in Ag Economics from the University of Missouri. He and his family reside in Platte City, Missouri.

BIO

Eric is responsible for the growth and development of the Ag Spectrum independent associate network who bring the Maximum Farming System® to the farm. He came to Ag Spectrum in 2009 after serving as a regional manager for Precision Planting, where he led dealer recruitment and sales for 250 dealers in 27 western states. Previously, he worked 13 years with Farmland Industries and as a private consultant to ag retailers. Eric was raised on a diverse crop and livestock operation. He holds a bachelor’s degree in Ag Economics from the University of Missouri. He resides in Platte City, Missouri with his wife.

Delk Crosier

Maximum Farming Implementation Consultant

Delk helps guide our clients to success as the Maximum Farming Implementation Consultant. He has had significant experience utilizing the Maximum Farming System on his own farm for the past 33 years. In addition to his college education in Ag Equipment and Mechanics at MCJVS, Delk has received extensive training specializing in system technologies, crop diagnostics, and yield enhancement. After more than 21 years in the seed industry and Purdue Crop Diagnostics Training, he joined Ag Spectrum in 1993. Delk previously served as an Associate and later as an Area Manager before taking on his current role. He and his family reside in West Alexandra, Ohio.

BIO

Delk helps guide our clients to success as the Maximum Farming Implementation Specialist. He has had significant experience utilizing the Maximum Farming System on his own farm for the past 33 years. In addition to his college education in Ag Equipment and Mechanics at MCJVS, Delk has received extensive training specializing in system technologies, crop diagnostics, and yield enhancement. After more than 21 years in the seed industry and Purdue Crop Diagnostics Training, he joined Ag Spectrum in 1993. Delk previously served as an Associate and later as an Area Manager before taking on his current role. He and his family reside in West Alexandra, Ohio.

Shane Frantum

District Manager

Shane grew up on a family farm in Jamaica, Iowa located northwest of Des Moines. He and his brother took over the family farm in 2015 and still run it together today. Prior to joining Ag Spectrum, he spent his career in seed sales. Today, he uses that experience to help farmers and Ag Spectrum Associates drive efficiency, improve performance and focus on maximizing profitability.  Shane was drawn to Ag Spectrum by the opportunity to bring farmers solutions for the many challenges they face, and to bring technology and management solutions that can materially change their balance sheets. He sees Ag Spectrum as a close-knit family-oriented business with emphasis on relationships and doing the right thing by putting customer profitability first. Shane attended Iowa State University where he earned a degree in Agricultural Business, and met his wife. Them and their two children reside in Grimes, Iowa.

BIO

Shane Frantum is the District Sales Manager for western Iowa. He grew up on a family farm in Jamaica Iowa, which is north and west of Des Moines. He and his brother took over the family farm in 2015 and still run it together today.  Prior to joining Ag Spectrum, he spent his career in seed sales. Today, he uses that experience to help farmers and Ag Spectrum associates drive efficiency, improve performance and focus on maximizing profitability.  Shane was drawn to Ag Spectrum by the opportunity to bring farmers solutions for the many challenges they face, and to bring technology and management solutions that can materially change their balance sheets. He sees Ag Spectrum as a close-nit family-oriented business with emphasis on relationships and doing the right thing by putting customer profitability first.  Shane attended Iowa State University where he earned a degree in Agricultural Business, and met his wife Leslie. They have been married 25 years and have two children, Joseph 23, and Anna 18. They live in Grimes, Iowa.

Erik Larson

District Manager

Erik received his bachelor’s degree in Agricultural Science from Northwest Missouri State University. He has worked in agricultural sales and management for his entire career. He worked for Syngenta as a seed representative for the Golden Harvest brand. Erik worked as national sales manager of the Brodbeck seed brand for Dow AgroSciences. He was raised on the family farm near where his family resides in Tipton County, Indiana. Erik and his wife have two children. They raise cattle, on a small scale, for 4H projects and have a Club calf herd. He judges 4H shows and is also a professional livestock judge for cattle, sheep, and pigs for open shows, county, and state fairs. With more than 20 years of experience providing sales support and management to growers and sales representatives, Erik is equipped to lead Associates and encourage the implementation of the Maximum Farming System.

BIO

Erik received his bachelor’s degree in Agricultural Science from Northwest Missouri State University. He has worked in agricultural sales and management for his entire career. He worked for Syngenta as a seed representative for the Golden Harvest brand. Erik worked as national sales manager of the Brodbeck seed brand for Dow AgroSciences. He was raised on the family farm near where his family resides in Tipton County, Indiana. Erik and his wife have two children. They raise cattle, on a small scale, for 4H projects and have a Club calf herd. He judges 4H shows and is also a professional livestock judge for cattle, sheep, and pigs for open shows, county, and state fairs. With more than 20 years of experience providing sales support and management to growers and sales representatives, Erik is equipped to lead Associates and encourage the implementation of the Maximum Farming System.

Brianna Powell

Marketing Communications Coordinator

Growing up on her family’s farm on the Illinois-Iowa border, Brianna’s passion for agriculture developed early in life. In May of 2021 she earned a bachelor’s degree in Agricultural Business, Economics, and International Agriculture from Iowa State University. During her education she completed multiple marketing internships for a variety of agriculture-based companies including Corteva Agriscience and Landus Cooperative. Her duties included social media content creation, sales team support, community outreach, event management, departmental marketing campaign implementation, digital marketing analytics, and copy writing for various audiences. Now part of the Ag Spectrum team, Brianna executes our marketing and social media presence.

BIO

Growing up on her family’s farm on the Illinois-Iowa border, Brianna’s passion for agriculture developed early in life. In May of 2021 she earned a bachelor’s degree in Agricultural Business, Economics, and International Agriculture from Iowa State University. During her education she completed multiple marketing internships for a variety of agriculture-based companies including Corteva Agriscience and Landus Cooperative. Her duties included social media content creation, sales team support, community outreach, event management, departmental marketing campaign implementation, digital marketing analytics, and copy writing for various audiences. Now part of the Ag Spectrum team, Brianna executes our marketing and social media presence.

Trevin Sears

District Manager

Trevin brings over 13 years of agriculture and seed sales experience to the Ag Spectrum team. He has spent most of his career with various seed companies providing leadership and support to teams of farmers and farmer-dealers. He is driven to support Ag Spectrum Associates and expand the network of independent representatives. Trevin received a bachelor’s degree in Education from the University of Findlay. He and his wife reside in Dayton, Ohio.

BIO

Trevin brings over 13 years of agriculture and seed sales experience to the Ag Spectrum team. He has spent most of his career with various seed companies providing leadership and support to teams of farmers and farmer-dealers. He is driven to support Ag Spectrum Associates and expand the network of independent representatives. Trevin received a bachelor’s degree in Education from the University of Findlay. He and his wife reside in Dayton, Ohio.

Greg Vincent

District Manager

Greg joined the Ag Spectrum team to provide leadership and support for Area Managers and Associates. Prior to joining Ag Spectrum, Greg was editor of Ag Web, the website division of Farm Journal Media. He first joined the group as editor of their magazine, Top Producer, in 2007. Greg’s passion for serving agriculture began at a young age while accompanying his father (a writer for Successful Farming magazine) on business trips where he experienced various types of agriculture. Growing up, Greg worked on his uncle’s farm in southeastern Iowa during the summer months before earning a degree in Agriculture Journalism from Iowa State University. He began his career working in ag marketing with advertising agencies and is the former editor of Dealer & Applicator, a magazine for fertilizer and chemical retailers. He and his family reside in Smithville, Missouri.

BIO

Greg joined the Ag Spectrum team to provide leadership and support for Area Managers and Associates. Prior to joining Ag Spectrum, Greg was editor of Ag Web, the website division of Farm Journal Media. He first joined the group as editor of their magazine, Top Producer, in 2007. Greg’s passion for serving agriculture began at a young age while accompanying his father (a writer for Successful Farming magazine) on business trips where he experienced various types of agriculture. Growing up, Greg worked on his uncle’s farm in southeastern Iowa during the summer months before earning a degree in Agriculture Journalism from Iowa State University. He began his career working in ag marketing with advertising agencies and is the former editor of Dealer & Applicator, a magazine for fertilizer and chemical retailers.

Dustin Warf

District Manager

In his home state of Illinois, Dustin supports Maximum Farming System Associates as District Sales Manager. He holds a Bachelor’s Degree in Agricultural Systems with a focus in Plant and Soil Sciences from Southern Illinois University. Since receiving his degree, Dustin has worked exclusively in the agriculture industry with his previous role being Area Sales Manager for Growmark. He is able to utilize his more than 16 years of agricultural sales and management experience to excel in his current role with Ag Spectrum Company providing valuable leadership to Associates and clients. He and his family reside in Windsor, Illinois.

BIO

In his home state of Illinois, Dustin supports Maximum Farming System Associates as District Sales Manager. He holds a Bachelor’s Degree in Agricultural Systems with a focus in Plant and Soil Sciences from Southern Illinois University. Since receiving his degree, Dustin has worked exclusively in the agriculture industry with his previous role being Area Sales Manager for Growmark. He is able to utilize his more than 16 years of agricultural sales and management experience to excel in his current role with Ag Spectrum Company providing valuable leadership to Associates and clients. He and his family reside in Windsor, Illinois.

Pat Tomlinson

Farm Manager Consultant

A native of central Illinois, Pat grew up on a crop and livestock farm near Macon. He earned a Bachelor of Science in Agricultural Economics with a concentration in both Farm Management and Agricultural Marketing at the University of Illinois at Urbana-Champaign. After college, he first began working for a small family seed company in Sullivan, Illinois. A year later, he began a 37 year career with Pioneer Hi-Bred which became DuPont Pioneer. Pat was a District Sales Manager leading a team of independent sales representatives in central Illinois, and also worked directly with farmers. When Pioneer became DuPont Pioneer, he had dual responsibilities for marketing and servicing both independent sales representatives, and crop protection products through Ag Retailers. In 2009, Pat began working with professional farm managers in the eastern U.S. with a primary focus on Illinois and Indiana. After joining Ag Spectrum as District Manager, he was awarded the 2017 “Service to Agriculture” award by the Illinois Society of  Professional Farm Managers and Rural Appraisers (ISPFMRA). Pat resides near Mt. Zion, Illinois with his wife and continues to be involved with the family farm.

BIO

A native of central Illinois, Pat grew up on a crop and livestock farm near Macon. He earned a Bachelor of Science in Agricultural Economics with a concentration in both Farm Management and Agricultural Marketing at the University of Illinois at Urbana-Champaign. After college, he worked for a family seed company in Sullivan, Illinois. A year later, he began a 37-year career with Pioneer Hi-Bred (now DuPont Pioneer). Pat was a District Sales Manager leading a team of independent sales representatives in central Illinois, and also worked directly with farmers. When Pioneer became DuPont Pioneer, he had dual responsibilities for marketing and servicing both independent sales representatives, and crop protection products through Ag Retailers. In 2009, Pat began working with professional farm managers in the eastern U.S. with a primary focus on Illinois and Indiana. He later joined Ag Spectrum as District Manager in Illinois, during which he was awarded the 2017 “Service to Agriculture” award by the Illinois Society of  Professional Farm Managers and Rural Appraisers (ISPFMRA). Pat is now a Farm Manager Consultant with Ag Spectrum and resides near Mt. Zion, Illinois with his wife and continues to be involved with the family farm.

Rob Vincent

District Manager

Rob joined the Ag Spectrum team as a District Manager after working with Pioneer Hi-Bred International, Inc. for 6 years as both a farm manager coordinator and an account manager. Rob received a bachelor’s degree in Agriculture from Iowa State University and his MBA from the University of Iowa. He is active as a Polk County Fair board member. He served the Iowa 4-H foundation as a board member from 2012 to 2018. Rob and his family are also very active in the meat goat industry in Iowa. He served as the President of the Iowa Meat Goat Association from 2013 to 2014. With more than 30 years of relationship-based sales and management experience, Rob provides valuable support to Ag Spectrum’s Area Managers and Associates.

BIO

Rob joined the Ag Spectrum team as a District Manager after working with Pioneer Hi-Bred International, Inc. for 6 years as both a farm manager coordinator and an account manager. Rob received a bachelor’s degree in Agriculture from Iowa State University and his MBA from the University of Iowa. He is active as a Polk County Fair board member. He served the Iowa 4-H foundation as a board member from 2012 to 2018. Rob and his family are also very active in the meat goat industry in Iowa. He served as the President of the Iowa Meat Goat Association from 2013 to 2014. With more than 30 years of relationship-based sales and management experience, Rob provides valuable support to Ag Spectrum’s Area Managers and Associates.

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