Operations & Research

Robin Petersen

Vice President of Operations

Robin holds a bachelor’s degree from St. Ambrose University and spent 17 years as a CPA in public accounting before joining the Ag Spectrum team in 2003. Through her own practice and positions with KPMG Peat Marwick and DeWitt Bank and Trust, Robin has experience in corporate and individual tax returns, accounting, payroll, budgets, and compliance. She has also worked extensively with farmers on taxes and planning. At Ag Spectrum, Robin oversees inventory management, tax requirements, and accounts receivable. She supervises day-to-day operations and has helped integrate new technology solutions company-wide. Robin leads a staff of dedicated employees who provide professional service and support to associates and growers to meet clients’ PIMS, soil sampling, product, and crop planning needs.

Brian Macomber

Information Systems Manager

Brian earned a bachelor’s degree in Management Information Systems from Iowa State University in 2002. Since joining Ag Spectrum in 2003, Brian has helped associates and staff members use time-saving technology tools to meet the needs of progressive growers and to best utilize ag computers and precision farming data. Brian manages corporate Information Technology Systems, develops unique software solutions, purchases computers and hardware, and provides technology support to employees, managers, and dealers. During his tenure at Ag Spectrum, Brian has created Dealer Tools, Professional Support Tools (or a PST), a recommendation engine, our ST/MZ and PIMS mapping programs, and MEDS (a nutrient planning program).

Connie King

Marketing Manager

Connie has more than 30 years of experience in graphic design, having worked for St. Louis Life Magazine, Bawden and Associates Ad Agency, Mississippi Bend Area Education Agency, and Bethany Lowe Designs. She has performed a variety of tasks, including design and layout, photography, marketing and social media marketing, including ad design, editorial content development, and managed the freelance writers and sales staff. Connie King joined the Ag Spectrum team in 2017. 

Dr. Jim Smart

Research and Teaching Agronomist

Raised on a farm in Southeast Kansas, Dr. Jim Smart graduated in Agronomy and Ag Business from Kansas State University. After working a short time for DuPont, he returned to school and earned a Master’s degree and a Doctorate in Agronomy and Weed Science, researching wheat and corn herbicides and their side effects. Dr. Smart worked 10 years as a research scientist with the USDA-ARS in Weslaco, Texas, where he helped cotton farmers adopt conservation practices and supervised pesticide projects for minor use crops. In 2001, Dr. Smart became a researcher for Ag Spectrum Company, where he speaks to hundreds of growers each year, in the field and from the stage. His favorite part of the job is seeing the end result after working with a grower to help a crop recover from stress.