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 focuses on investigations and regulatory issues, including SEC and PCAOB Enforcement, Antitrust, and Consumer Protection matters. Some of Mr. Zimmerman’s recent matters include representation of:
SEC and PCAOB Enforcement
Antitrust and Consumer Protection
Mr. Zimmerman maintains an active pro bono practice, focusing on both federal and state appellate matters. 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 for the Tenth Circuit Historical Society, which works to preserve and promote knowledge of the history of the development of the law in the Tenth Circuit and the judges and notable lawyers who have served in the Circuit. Mr. Zimmerman is active in the Society and has contributed to several Society publications over the years, and previously served as a state vice-president representing Colorado. Additionally, Mr. Zimmerman formerly served as the Chair of the Antitrust Subcommittee of the Business Law Subsection of the Colorado Bar Association.
Mr. Zimmerman earned his law degree from The University of Chicago Law School in 2010, and his Bachelor of Arts in Political Science from The Ohio State University in 2005. 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.
Mr. Zimmerman 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. Mr. Zimmerman also serves as an adjunct professor at the University of Wyoming College of Law.
University of Chicago - 2010 Juris Doctor
The Ohio State University - 2005 Bachelor of Arts