Presiding Judge, Probate Court No. 1 (Denton County)

David Jahn is the presiding judge of Denton County Probate Court No. 1²³. By his campaign website's account, he is a former Army pilot and Denton County prosecutor who served about ten years as the county's associate probate judge before running for the seat⁴. He is the only candidate on the November 3, 2026 ballot for the seat¹.

• Presiding Judge, Denton County Probate Court No. 1, a statutory probate court headed by an elected judge²
• Associate Judge of the Denton County Probate Court for ten years starting in 2011, then presiding judge of County Criminal Court at Law No. 1 until he resigned in August 2021 to run for probate judge, per his campaign website⁴
• Denton County assistant district attorney from 2004, prosecuting cases in Denton, Jack and Wise Counties, per his campaign website⁴
• U.S. Army pilot for nine years starting in 1990, with deployments to Somalia and Kuwait, per his campaign website⁴
• Serves on the Judicial Commission on Mental Health, per a local Rotary club account⁵
• Per his campaign website, he ran for the Probate Court No. 1 seat after Judge Bonnie Robison announced she would retire⁴. The county describes the court as headed by an elected judge². He filed for reelection in December 2025 as the incumbent³.