Chumma Tum is an associate in the Denver office of Gibson, Dunn & Crutcher, where she practices in the firm’s Litigation Department and is a member of the White-Collar Defense and Investigations, FDA and Health Care and False Claims Act/Qui Tam Defense Practice Groups. Chumma’s practice focuses on government and internal investigations, white-collar defense and complex civil litigation, particularly within the health care and life sciences industry. She has experience with internal and government investigations, including civil and criminal investigations by the Department of Justice and Health and Human Services Office of Inspector General.

Chumma received her Juris Doctor from Georgetown University Law Center, where she served as an editor for the American Criminal Law Review. While in law school, she also served as a legal intern for the Honorable Patti B. Saris, then Chief Judge of the U.S. District Court for the District of Massachusetts. Chumma graduated with distinction from the University of Virginia with a Bachelor of Arts in Politics and she served as a Reginald C. Lindsay Fellow with the US District Court of the District of Massachusetts.

Chumma’s representation experience includes:

• A global technology services company in connection with civil litigation that alleges novel theories of FCA liability against the company. 
• A leading pharmaceutical distributor in criminal and civil investigations by DOJ related to the distribution of controlled substances.*
• A diagnostic laboratory in multiple state enforcement matters, including suspension proceedings and FCA investigation.*
• A medical device company in connection with the development of the company’s compliance policies with respect to a new product line.*

*Matters handled prior to Chumma joining Gibson Dunn