Jack B. Zimmermann

Practice Areas: Personal Injury, Criminal Defense, Military Law, Trial Advocacy

Texas LawyerJack B. Zimmermann

Jack B. Zimmermann is a former prosecutor and criminal trial judge in the United States Marine Corps. A 1975 graduate of the University of Texas School of Law in Austin, Texas, he is licensed to practice law in Texas. He graduated from the United States Naval Academy at Annapolis, Maryland and the Krannert Graduate School of Management at Purdue University in West Lafayette, Indiana. He is admitted to practice in Texas, as well as the United States Supreme Court, the United States Court of Appeals for the Armed Forces, the United States Courts of Appeals for the Fifth, Ninth, Tenth and Eleventh Circuits, all of the United States District Courts in Texas, and the Western District of Oklahoma, and all United States courts-martial. Mr. Zimmermann served 14 years on active duty in the Marine Corps, including duty as the commanding officer of two artillery batteries in combat, where he earned two Bronze Star medals for heroism and the Purple Heart for wounds in action. He served for 16 years as an officer in the Marine Corps Reserve, including duty as the commanding officer of the infantry battalion headquartered in Houston. He retired in 1994 as a colonel, and was presented the Meritorious Service Medal for his final assignment as a felony court-martial judge.

Mr. Zimmermann represents clients at trial and on appeal in state, federal, and military courts, as well as before professional licensing boards. He is the co-chairman of the Military Law section of the National Association of Criminal Defense Lawyers, the former chairman of the Criminal Law and Military Law sections of the American Association for Justice, a former director of the Texas Criminal Defense Lawyers Association, and the former President of the Harris County Criminal Lawyers Association.

Mr. Zimmermann lectures on trial advocacy and serves as a motivational speaker across the country. He has been a guest on national TV programs such as The Today Show, Good Morning America, CBS Early Show, Nightline, Larry King Live, and Rivera Live.


  • Awarded two Bronze Star medals for heroism and the Purple Heart for wounds in action (from Marine Corps Service in Vietnam), retired as a Colonel.
  • Warhorse Award for Lifetime Achievement from the Southern Trial Lawyers Association
  • Examiner, National Board of Trial Advocacy
  • Former Chairman, Military Law Section, American Association for Justice
  • 2003 to 2011 by Law & Politics as a Super Lawyer, published in Super Lawyers Magazine.


  • Jack B. Zimmermann
  • Zimmermann, Lavine, Zimmermann, & Sampson, P.C.
  • 770 S. Post Oak Lane, Suite 620
  • Houston, Texas 77056
  • Phone: (713) 552-0300
  • Fax: (713) 552-0746

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