| Karson Sims | Helena Agri-Enterprises |
| Shelly Sims | Intellifarms Northern Division, Inc. |
| Eric Sitzman | Rosen's Inc. |
| Beto Sodré | Vega Farm Analytics |
| Todd Soma | Helena Agri-Enterprises |
| DeQuindre Spencer | Minnesota State University Mankato |
| Carissa Spencer | USDA-FSA |
| Grace Spooner | Northern Nutrients |
| Joel Spring | VAN DIEST SUPPLY COMPANY |
| Jerry Spyres | Allied Tank & Construction |
| Dean Stalzer | Stalzer Farms |
| Luke Stamp | DPA Auctions |
| Jeff Steinback | Remington Seeds LLC |
| corey steinbeck | steinbeck and sons |
| Dave Steinbeck | Steinbeck and Sons |
| Chris Steinbeck | Steinbeck & Sons Inc |
| Tim Steinbeck | steinbeck and sons |
| Al Steiner | McPherson Concrete Storage Systems |
| Cody Steinkamp | Davis Equipment |
| Chris Stevens | Liqui-Grow |
| Taylor Stoeckler | Iowa State University - Ivy College of Business, Executive MBA |
| Brent Strahm | Greenfield Contractors |
| Lee Strait | Houston Engineering Inc. |
| Norb Strasser | Intellifarms Northern Division, Inc. |
| Courtney Strauser | Heartland Co-op |
| Bert Strayer | La Crosse Seed |
| Taylor Strehl | Phospholutions |
| Judd Stretcher | Continental NH3 Products |
| Matt Struve | SoilView, LLC |
| Katie Stutsman | Corteva Agriscience |
| Todd Sutphin | Iowa Soybean Association |
| Nate Sutton | Eldon C. Stutsman, Inc. |
| Scott Svoboda | 21st Century Coop |
| Matt Swanson | Gold Eagle Coop |
| John Swehla | Dunkerton Coop |
| Rod Swoboda | Iowa Master Farmers |
| Drew Taylor | Northern Nutrients |
| Craig Taylor | Farmers Win Cooperative |
| Travis Templeton | Purple Wave Auction |
| Olivia Tenuta | Stine Seed Company |
| Tyler Teske | Agribusiness Association of Iowa |
| Dustin Thomas | Bayer Crop Science |
| Levi Thomas | Sherman Specialties |
| Lacie Thomas | Landus |
| Jeff Thompson | Calcium Products |
| Sally Thompson | Agribusiness Association of Iowa |
| Paige Thomsen Russ | BAYER |
| Eric Thuente | Creative Planning |
| Kevin Timmerman | Liqui-Grow |
| Hovey Tinsmsan | Liqui-Grow |