Decides which bills get a committee hearing and which die without one, the single biggest gatekeeping power in the Senate. Appoints committee chairs, sets the floor calendar, and negotiates the state budget with the House Speaker and the Governor.
Warren Petersen
| Office | State Legislature |
|---|---|
| Office | President of the Arizona Senate (State Senator, Legislative District 14) |
| Party | Republican |
| Term | Term ends January 2027. Petersen is not seeking re-election to the Senate, so the presidency changes hands in January 2027 |
| Contact | 602-926-4136Official Page |
| Verified | September 2026 |