corn in test tube

Contact Us
Give us a call to find out how we can help your seed business grow!
Home Office:

GreenLeaf Genetics LLC

16924 Frances Street, Suite 101
Omaha, NE  68130
o: 888.933.3601
f: 402.333.3661

Ron Wulfkuhle

Chief Executive Officer
Omaha, NE
o: 888.933.3601 Ext. 11
c: 402.639.6105
ron.wulfkuhle@greenleafgenetics.com

Dawn Judkins

Chief Financial Officer
Omaha, NE
o: 888.933.3601 Ext. 12
dawn.judkins@greenleafgenetics.com

Greg Kegler

Chief Operating Officer
Omaha, NE
o: 888.933.3601 Ext. 15
c: 612.747.8356
greg.kegler@greenleafgenetics.com

Dana Eaton

Product Development Head
Omaha, NE
o: 888.933.3601 Ext. 14
c: 402.682.1745
dana.eaton@greenleafgenetics.com

Jeff Jorgensen

Product Manager
Omaha, NE
o: 888.933.3601 Ext. 16
c: 952.250.4045
jeff.jorgensen@greenleafgenetics.com

Marc Neuman

Product Development and Operations Manager
Omaha, NE
o: 888.933.3601 Ext. 23
c: 402.943.6106
marc.neuman@greenleafgenetics.com

Christine Wietzki

Stewardship & Regulatory Manager
Omaha, NE
o: 888.933.3601 Ext. 19
c: 402.881.2321
christine.wietzki@greenleafgenetics.com

Lisa Perkins

Staff Accountant
Omaha, NE
o: 888.933.3601 Ext. 24
lisa.perkins@greenleafgenetics.com

Ryan Betka

Financial Analyst
Omaha, NE
o: 888.933.3601 Ext. 28
ryan.betka@greenleafgenetics.com

Cindy Ramsey

Customer Marketing Specialist
Omaha, NE
o: 888.933.3601 Ext. 22
c: 402.630.2842
cindy.ramsey@greenleafgenetics.com

Katie Gutzmann

Event Marketing Specialist
Omaha, NE
o: 888.933.3601 Ext. 21
c: 402.460.0158
katie.gutzmann@greenleafgenetics.com

Angie Dahlhauser

Office Administrator
Omaha, NE
o: 888.933.3601 Ext. 10
angie.dahlhauser@greenleafgenetics.com

Regional Offices:

Clayton Becker

Trait Sales Manager
17919 Kindle Court
Lakeville, MN 55044
o: 952.898.4154
c: 952.797.3635
clayton.becker@greenleafgenetics.com

Don Kestel

Trait Sales Manager
E 14422 County Road W
Baraboo, WI 53913
o: 608-356-9136
c: 608-381-9136
don.kestel@greenleafgenetics.com

Matt Shipton

Trait Sales Manager
22500 IL Route 9, #2E
Tremont, IL 61568
c: 309-642-7837
matt.shipton@greenleafgenetics.com

Mike Smidt

Trait Sales Manager
5005 Karen Drive #102
Panora, IA 50216
c: 515-423-4715
mike.smidt@greenleafgenetics.com

Rodney Busick

Trait Sales Manager
7595 N 300 E
Decatur, IN 46733
c: 260.402.8557
rod.busick@greenleafgenetics.com

Rich Hall

Genetic Sales Lead - Western U.S.
105 E Washington
Elk Point, SD  57025
o: 605.761.5323
c: 605.638.0416
rich.hall@greenleafgenetics.com

Roy Johnson

Genetic Sales Manager - Central and Southeastern U.S.
6165 NW 86th Street
Johnston, IA 50131
o: 515.727.1635
c: 515.249.3949
roy.johnson@greenleafgenetics.com

Chris Perry

Genetic Sales Manager - North Central U.S. and Canada
305 South Water Street, Suite 4
Northfield, MN 55057
o: 507.645.7427
c: 507.649.1626
chris.perry@greenleafgenetics.com

Jack Walker

Genetic Sales Manager - East Central / Northeastern U.S.
100 Summit Street
West Alexandria, OH 45381
c: 937.733.3438
jack.walker@greenleafgenetics.com