770 S. Post Oak Lane,
Houston, Texas 77056
Office: (713) 552-0300
Fax: (713) 552-0746
For a summary, click here
Terri R. Zimmermann is board certified in Criminal Law and Criminal Appellate Law by the Texas Board of Legal Specialization and is certified as a Criminal Trial Advocate by the National Board of Trial Advocacy. She came to our firm in 1996 and has been a shareholder since 2007. Ms. Zimmermann represents clients at trial, on appeal, in postconviction proceedings, and in administrative matters in state, federal, and military courts.
Ms. Zimmermann received her Bachelor of Arts degree with honors in Government from the University of Texas at Austin. A 1992 graduate of the Georgetown University Law Center in Washington, D.C., Ms. Zimmermann is licensed to practice law in Texas and Maryland, 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 and Tenth Circuits, the United States Court of Appeals for the Federal Circuit, the United States District Courts for the Southern District of Texas and the District of Maryland, and all United States courts-martial.
She serves as Vice Chair of the Military Law Committee of the National Association of Criminal Defense Lawyers, Chair of the Veterans Assistance Committee of the Texas Criminal Defense Lawyers Association, and is a former Chair of the State Bar of Texas Military and Veterans Law Section. Additionally, she is a member of the American Bar Association, Harris County Criminal Lawyers Association, and Houston Bar Association.
Ms. Zimmermann served as a Marine Corps judge advocate on active duty from 1993-1996. She was a prosecutor and chief of the Civil Law and Review sections at the Marine Corps Air Station El Toro, California, for which she was awarded the Navy-Marine Corps Commendation Medal. Since then she has remained in the U.S. Marine Corps Reserve and currently is a Colonel. For approximately ten years, she worked as an appellate defense counsel at the Navy-Marine Corps Appellate Review Activity in Washington, D.C. From February to August 2008, she was mobilized and served as the Deputy Counsel to the Commanding Officer of the Marine Corps Tactical Systems Support Command at Camp Pendleton, California, for which she earned a Certificate of Commendation. In 2010 she became certified as a military judge. She served from May 2010 to May 2013 as an appellate military judge on the Navy-Marine Corps Court of Criminal Appeals, for which she was awarded the Meritorious Service Medal. Currently she is the Head of the Defense Services Branch, Reserve Legal Support, Judge Advocate Division, which is the Reserve counterpart to the Chief Defense Counsel of the Marine Corps. In that capacity she has testified before the Judicial Proceedings Panel (see transcript here) and a subcommittee of the Joint Proceedings Panel (see transcript here) about changes to the military justice system, especially in the context of sexual assault prosecutions.
Ms. Zimmermann was recognized every year from 2009 to 2015 by Law & Politics as a Super Lawyer (an outstanding lawyer who has attained a high degree of peer recognition and professional achievement), and every year from 2004 to 2007 as a Rising Star (one of the top up-and-coming attorneys in the state -- those who are 40 years old or younger, or who have been practicing for 10 years or less), published in Super Lawyers Magazine. Super Lawyers Magazine published a feature article about Ms. Zimmermann in the March 2007 edition. To read the article, click here.
Ms. Zimmermann has handled many interesting cases in both military and civilian courts. For example, the Court of Appeals for the Armed Forces set aside a guilty verdict, reversing the Air Force Court of Criminal Appeals on an unlawful command influence issue. The Air Force declined to retry the case and the charges were dismissed. She served as lead counsel in an Army rape case where the military judge granted her motion to suppress the prior testimony of the complaining witness, resulting in all charges being dismissed. He was also found not guilty at an Article 15, UCMJ proceeding (nonjudicial punishment) that followed.
Ms. Zimmermann was co-counsel with Mr. Zimmermann representing LCpl Stephen Tatum, USMC, who originally was charged with the murder of Iraqi civilians during a counter-attack in response to an ambush in Haditha, Iraq. Click here for a description of the Article 32 Investigation hearing featured in the Texas Lawyer. All charges were dismissed with prejudice on the first day of trial in this case that had drawn international media attention.
Ms. Zimmermann was co-counsel with Mr. Zimmermann in the appeal of an Army officer charged with premeditated murder of an enemy insurgent in Iraq which carries an automatic life sentence. The officer was convicted of murder and served five years. They also represented a Marine officer acquitted of all charges and specifications of sexual assault and conduct unbecoming an officer.
Ms. Zimmermann represented a client in a complex white-collar federal appeal in which the Court of Appeals for the Fifth Circuit found that the district judge's finding of fact on remand was clearly erroneous. The appellate court reversed the conviction and 20-year sentence and ordered the charges dismissed.
In state court, Ms. Zimmermann was lead counsel in a DWI case where the judge acquitted the client and dismissed all charges when the state completed its case. She was co-counsel with Jack Zimmermann in an indecency with a child case, which resulted in a hung jury at the first trial. On retrial, she cross-examined the complaining witness, and the jury acquitted. She was co-counsel in the acquittal of a truck driver accused of failing to stop and render aid to the driver of a car that cut in front of his truck, resulting in a fatal accident. Ms. Zimmermann also successfully litigated a Motion for New Trial, and the trial court set aside the client's felony conviction based on the proven claims of the deprivation of Constitutional rights at the first trial.
She has also served as co-counsel with Jack Zimmermann in three nationally-known cases:
Ms. Zimmermann loves to teach and has served on the faculty of Continuing Legal Education seminars nationwide. She is married and has two children.