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🌽Custom Seed Guide

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The ProHarvest Seeds professionals.

Mark Griffin

Sales Director
  • Clinton,

Mark started in the seed business in 1996 around his hometown of Mason City, IL. He enjoys all aspects of the ag industry and knows that seed placement is the most important decision growers can make to impact their bottom line. Most of all, he values the business partnerships that growers and teammates trust him with. He is excited to represent ProHarvest Seeds as the Business Development Lead to expand the footprint of its robust pipeline of products and positive business culture.

His favorite part of ProHarvest Seeds is their approach to it being a people business, everyone genuinely cares and puts the customer first.

Mark is a graduate of Southern Illinois University at Carbondale and currently resides in Clinton, IL with his wife Shalane. His son Noah commissioned into pilot training with the US Air Force from the University of Illinois ROTC program in 2022. His daughter Chloe is a college Freshman studying in the nursing field. When he is not working, he enjoys time with his wife riding their Harley Davidson, taking snowmobile trips, and golfing with his friends.

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