Callas is a Beaumont anesthesiologist and Desert Storm Navy veteran who served as president of the Texas Medical Association during the 2025 legislative session.
Governor Abbott, Lt. Governor Patrick, and Senator Cruz all endorsed Callas to succeed outgoing Speaker Dade Phelan.
Callas’s take on Texas values
Callas says he will protect the lives of both unborn children and mothers, signaling support for Texas's current abortion restrictions rather than expanded abortion access. [campaign website; Ballotpedia]