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University of Missouri (A.B., 1972 with Honors, Phi Beta Kappa); University of Virginia (J.D. 1975). Admitted to Missouri Bar, 1975. Admitted to Texas Bar, 1984. Board Certified Civil Trial Law, Texas Board of Legal Specialization. Commercial litigation and intellectual property litigation
Mr. Zimmermann graduated Phi Beta Kappa, and was both a University Scholar and an Honors Program graduate, receiving a Bachelor of Arts in History at the University of Missouri. He attended law school at the University of Virginia.
Mr. Zimmermann began his career as counsel for the Office of General Counsel at the Department of Housing and Urban Development in Washington, D.C. He later served as the Assistant General Counsel for Real Estate at the Federal Home Loan Mortgage Corporation in Washington, D.C., and as an Assistant United States Attorney for the Western District of Missouri in Kansas City, Missouri. He has represented the United States in numerous civil and criminal cases, appearing frequently in federal district court and before the Eighth Circuit Court of Appeals.
He left the U.S. Attorneys office in 1984 to accept a position with Shank, Irwin, & Conant in Dallas, Texas, and later became a litigation director at Baker, Glast & Middleton, P.C., also in Dallas, Texas. Mr. Zimmermann co-founded Turner, Dealey & Zimmermann in Dallas in 1992 and concentrates on complex commercial and intellectual property litigation to this day. Mr. Zimmermann has served as an instructor at the Attorney General's Advocacy Institute in Washington D.C., and as an Adjunct Professor of Law in Trial Advocacy at Southern Methodist University's Dedman School of Law in Dallas, Texas. He is presently an Adjunct Professor of Law for Trial Advocacy at Texas A & M University f/k/a Texas Wesleyan University School of Law in Fort Worth, Texas, and was an instructor at the National Institute of Trial Advocacy in Dallas, Texas. He was nominated by Texas Wesleyan University School of Law for the Roscoe Pound Foundation Award, and received the Texas Wesleyan Distinguished Adjunct Professor of the Year Award in 2003.
Mr. Zimmermann is Board Certified by the Texas Board of Legal Specialization in Civil Trial Law. He is licensed to practice before the Northern District of Texas, Western District of Missouri, Fifth and Eighth Circuit Courts of Appeal and the United States Supreme Court. His bar memberships include the Dallas Bar Association, State Bar of Texas, State Bar of Missouri and District of Columbia Bar.