1801 California Street, Suite 4200, Denver, CO 80202-2642 USA
Timothy M. Zimmerman is a senior associate in the Denver office of Gibson, Dunn & Crutcher. His practice includes both litigation and investigations, with a focus on Securities Enforcement, Antitrust and Consumer Protection, and Bankruptcy Litigation. Some of Mr. Zimmerman’s recent representations include:
Antitrust and Consumer Protection
Mr. Zimmerman maintains an active pro bono practice, focusing on both federal and state appellate matters in Colorado and elsewhere. He has twice received the Firm’s Frank Wheat Award for excellence in pro bono service. Recently he participated in the following pro bono engagements:
Mr. Zimmerman is on the Board of Directors of the Tenth Circuit Historical Society, and formerly served as the Chair of the Antitrust Subcommittee of the Business Law Subsection of the Colorado Bar Association, and on the Board of Directors for the Broomfield (Colorado) Symphony Orchestra.
A graduate of the University of Chicago Law School and The Ohio State University, before joining Gibson Dunn, Mr. Zimmerman clerked for the Honorable Timothy M. Tymkovich of the United States Court of Appeals for the Tenth Circuit from 2011 to 2012, and for the Honorable Allison H. Eid of the Colorado Supreme Court from 2010 to 2011. He is registered to practice law in the state of Colorado, as well as in the United States Courts of Appeals for the Seventh Circuit and Tenth Circuit, and several district courts.
Since 2019, Mr. Zimmerman has served as an adjunct professor at the University of Wyoming College of Law, teaching Consumer Protection and Business Planning.
University of Chicago - 2010 Juris Doctor
The Ohio State University - 2005 Bachelor of Arts