| 1 |
Jessie Lynn Alt |
Pioneer (Corteva) |
48 |
| 2 |
Jon Duvick |
Pioneer (Corteva) |
22 |
| 3 |
William Ellsworth Wyant, III |
Pioneer (Corteva) |
8 |
| #4 |
Jack Conan Anderson |
John Deere |
7 |
| #4 |
Keith Vorst |
Iowa State University |
7 |
| #6 |
Gary E. Hoard |
Pioneer (Corteva) |
6 |
| #6 |
John David Sundberg |
John Deere |
6 |
| #8 |
Dean M. Tranel |
Pioneer (Corteva) |
4 |
| #8 |
Eric Allen Lawrence |
Siemens Industry |
4 |
| #10 |
Jerome L. Behn |
— |
2 |
| #10 |
Jeffrey W. Hartsook |
Monsanto Technology |
2 |
| #10 |
Dirk D. Ringgenberg |
— |
2 |
| #10 |
Deanne L. Wright |
E.I. Du Pont De Nemours And |
2 |
| #10 |
Frank L. Baldwin |
— |
2 |
| #10 |
Sabrina L. Swenson |
Bayer Healthcare |
2 |
| #16 |
Shane Albrecht |
— |
1 |
| #16 |
Scott Worrall |
— |
1 |
| #16 |
Jeff Hartsook |
Monsanto Technology |
1 |
| #16 |
Homer G. Canton |
Syngenta Participations Ag |
1 |
| #16 |
William E. Sowder |
— |
1 |
| #16 |
Rollo G. Berg |
— |
1 |
| #16 |
Charles S. McFarlane |
Basf Plant Science Company Gmbh |
1 |
| #16 |
Doris M. Rimathe |
Syngenta Participations Ag |
1 |
| #16 |
Susan A. Duvick |
Iowa State University |
1 |
| #16 |
Timothy J. Herrstrom |
— |
1 |
| #16 |
Cindi S. Zimmermann |
E.I. Du Pont De Nemours And |
1 |
| #16 |
Paul Wedemeyer |
— |
1 |
| #16 |
Kristi Ruth Harkins |
Pioneer (Corteva) |
1 |