Winston Y. Chan


Winston Y. Chan is a former federal prosecutor and litigation partner in Gibson, Dunn & Crutcher’s San Francisco office.  He has particular expertise leading matters involving government enforcement defense, internal investigations, compliance counseling, and civil trial litigation for life sciences clients.  Mr. Chan is a LMG Life Sciences “Star” and a Chambers-ranked attorney in the category of White Collar Crime and Government Investigations, and Benchmark Litigation recognizes him as a Litigation Star for being “recommended consistently as a reputable and effective litigator by clients and peers.”  Global Investigations Review ranks Mr. Chan in its annual Global Guide of Recommended Investigations Counsel, including in their inaugural ranking of “the most eminent lawyers in the field under 45.”  Mr. Chan previously served as an Assistant U.S. Attorney in the Eastern District of New York, where he held a number of supervisory positions, including as Health Care Fraud Coordinator.  In that capacity, he oversaw all qui tam and whistleblower investigations involving allegations of False Claims Act violations, kickbacks, misbranding and off-label promotion by pharmaceutical, biotechnology, and medical diagnostic companies, among others.