1801 California Street Suite 4200, Denver, CO 80202-2642 USA
Timothy M. Zimmerman is of counsel in the Denver office of Gibson, Dunn & Crutcher. His practice includes both litigation and investigations, with a focus on Securities Enforcement, Foreign Corrupt Practices Act (FCPA), Securities Litigation, and Securities Regulation matters. Tim has been recognized by The Best Lawyers in America for Securities Regulation (2024). Some of Tim’s recent representations include:
Tim 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:
Tim 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.
A graduate of the University of Chicago Law School and The Ohio State University, before joining Gibson Dunn, Tim 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 states of Colorado and Wyoming, as well as in the United States Courts of Appeals for the Seventh Circuit and Tenth Circuit, and several district courts.
Since 2019, Tim has served as an adjunct professor at the University of Wyoming College of Law, teaching Securities Regulation, Consumer Protection, and Business Planning courses.
University of Chicago - 2010 Juris Doctor
The Ohio State University - 2005 Bachelor of Arts