The ProHarvest Seeds ProfessionalsThe ProHarvest Seeds team has a wealth of experience and expertise in the seed industry.

Randy Wilken, President, and Lynn Wilken, CFO, are the second generation to lead the company and are experts in seed, production, and agricultural business.

Keith Knapp, who has more than 30 years of experience and success in the seed industry, adds a commitment to relationship building to his role as VP of Sales & Marketing.  

We have a strong team of Seed Specialists and support. They each have a robust and comprehensive knowledge of our seed products.


Randy Wilken

Ashkum, IL

Lynn Wilken

Ashkum, IL
Chief Financial Officer

Keith Knapp

Hoopeston, IL
VP of Sales & Marketing

Ron Knapp

Bloomington, IL
Sales Director

Mark Griffin

Clinton, IL
Business Developmment Lead

Eric Yoder

Port Byron, IL
Corn Product Manager/Agronomist

Doug Hanson

Ashkum, IL
Seed Specialist/Forage Seeds Lead

Josh Wilken

Ashkum, IL

Chris Basham

Ashkum, IL
Seed Support Specialist

Beth Isom

Ashkum, IL
Office Support

Jennifer Pralle

Ashkum, IL
Office Manager

Laura Siemsen

Bourbonnais, IL
Accounts Payable Manager

Kelly Messer

Chebanse, IL
Marketing Coordinator

Jake Wilken

Ashkum, IL
Seed Specialist

Jay Whalen

Streator, IL
Seed Specialist

Ronn Dillavou

Aledo, IL
Seed Specialist

Tom Ostermeier

Athens, IL
Seed Specialist

Tom Forrest

Bellflower, IL
Seed Specialist

Carl Krieg

Centralia, IL
Seed Specialist

Tucker Muse

Monticello, IL
Seed Specialist

John Walsh

Seed Specialist

Anthony Windt

Ashkum, IL
Account Manager

Rick Urish

Manito, IL
Seed Specialist

Corey Torrance

Good Hope, IL
Seed Specialist


David Hopkins

Central Indiana
Seed Specialist


Jim Dinan

Edgewood, IA
Seed Specialist

Craig Neppl

Estherville, IA
Seed Specialist

Jake Ekstrand

Pella, IA
Seed Specialist


Trent Geistlinger

Beatrice, NE
Western Team Lead

Derald Watson

Grand Island, NE
Seed Specialist


Matthew Reichert

Maria Stein, OH
Seed Specialist

The Winner is. . .

September 15

The Winner is You 2022 9.22 Page 1The Winner is You 2022 9.22 Page 2

Sign Up to our Newsletter