Experts in the Field


Our product development team possesses an incredible amount of industry experience, pairing agronomic expertise with their knowledge of local soils. They ensure the products selected for our lineup — and your field bring the largest opportunity for performance.

John Latham, President

John Latham takes great pride in selecting products that bear his family’s name. As company president, he has solid relationships with the industry’s top genetics suppliers and plant breeders. Before founding his own hybrid seed corn business in 2004, John had 14 years of soybeans sales and marketing experience with Latham Seed Company.

Tom Lizer, General Manager

I’ve been married to my high school sweetheart for over 30 years.  I’m the proud father of seven, an avid traveler and camping enthusiast. I value integrity, hard work and honesty, and work with the entire Latham team to deliver these values to our customers.

Mark Grundmeier, Seed Product Manager

Mark’s responsibilities include advising customers, dealers and sales personnel on seed traits and technologies, cultural practices and crop planning to ensure optimal performance. He works with multiple technology providers to scout and procure new seed genetics for Latham’s corn, soybean and alfalfa brands.

Gary Geske, Corn Product Specialist

Gary brings more than 20 years’ experience in product management, research and sales to the Latham team after serving in a sales manager role for other seed companies. In 2001, he founded his own seed company, Quality Seed Genetics (QSG). After briefly working in the seed treatment business, he’s happy to return to his passion of selecting seed products that maximize growers’ returns.

Nick Benson, Corn Product Specialist

Nick’s passion is selecting corn hybrids to match particular soil conditions and management practices. A native of Northeast Iowa, Nick earned a bachelor’s degree in Ag Marketing and Agronomy at Northwest Missouri State University. He gained experience in corn plant breeding and seed research from both Pioneer Hi-Bred International and Garst Seed companies.

Corey Catt, Forage Product Manager

As one of the industry’s most renowned forage specialists, Corey Catt brings more than 20 years’ experience in the forage industry and helps farmers strike the delicate balance between nature, science and technology. His main focus is development of new forage and alfalfa products and providing agronomic support to Latham’s sales team.