| Doug Struyk | American Cancer Society Cancer Action Network (ACS CAN) | Supporting | GA89 |
| Jennifer Dorman | American Cancer Society Cancer Action Network (ACS CAN) | Supporting | GA89 |
| Jim Carney | American Cancer Society Cancer Action Network (ACS CAN) | Supporting | GA89 |
| Joseph Hrdlicka | Genentech, Inc., A Member of the Roche Group | Supporting | GA89 |
| Susan Cameron Daemen | Genentech, Inc., A Member of the Roche Group | Supporting | GA89 |
| Tony Phillips | Genentech, Inc., A Member of the Roche Group | Supporting | GA89 |
| David Adelman | Iowa Biotechnology Association | Supporting | GA89 |
| Frank Chiodo | Iowa Biotechnology Association | Supporting | GA89 |
| Jessica Hyland | Iowa Biotechnology Association | Supporting | GA89 |
| Matt Hinch | Iowa Biotechnology Association | Supporting | GA89 |
| Sara Allen | Iowa Biotechnology Association | Supporting | GA89 |
| Jim DeMay | Pfizer Inc. c/o Politicom Law LLP | Supporting | GA89 |
| Kellie Paschke | Pfizer Inc. c/o Politicom Law LLP | Supporting | GA89 |
| Kelly Meyers | Pfizer Inc. c/o Politicom Law LLP | Supporting | GA89 |
| Logan Murray | Pfizer Inc. c/o Politicom Law LLP | Supporting | GA89 |
| Troy Skinner | Pfizer Inc. c/o Politicom Law LLP | Supporting | GA89 |
| Bob Rafferty | Vertex Pharmaceuticals Incorporated | Supporting | GA89 |
| Bob Rafferty | Vertex Pharmaceuticals Incorporated | Undecided | GA89 |
| Nick Laning | Vertex Pharmaceuticals Incorporated | Supporting | GA89 |
| Nick Laning | Vertex Pharmaceuticals Incorporated | Undecided | GA89 |
| Threase Harms | Vertex Pharmaceuticals Incorporated | Supporting | GA89 |
| Threase Harms | Vertex Pharmaceuticals Incorporated | Undecided | GA89 |