Michael D. Brennan

Attorney at Thomas J. Henry Law's Austin Office

Mr. Michael D. Brennan was raised in DeWitt County, Texas, where he grew up working on the ranch and in the oilfields. After receiving a B.A. in Spanish and an M.A. in Political Science from the University of Texas at San Antonio, Mr. Brennan worked for some time in Mexico City as a translator, where he grasped an understanding of the Spanish language. After the oil bust of 2014, Mr. Brennan used his love of reading and writing and his willingness to help others to transition into a career in law.

Mr. Brennan earned his Doctor of Jurisprudence from St. Mary’s University School of Law. He originally started his law career over six years ago as a law clerk. There he learned to establish meaningful relationships with his clients by keeping them thoroughly informed throughout the legal process. Through his years of legal experience, he has conducted several mediations, legal research, and discovery meetings with clients. Mr. Brennan also has extensive knowledge of drafting petitions and is well-versed in personal injury and subrogation law.

Outside of work, Mr. Brennan has an aspiration for adventure. In his free time, he can be found outdoors, working on cars or taking rides on his motorcycle. When he’s not participating in outdoor activities, he is keen on spending quality time with his friends and family.



  • State Bar of Texas


  • St. Mary’s University School of Law, San Antonio, Texas (J.D.)
  • University of Texas at San Antonio, San Antonio, Texas (M.A./B.A)


  • Spanish
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