Krishnan Chellakarai is the Chief Information Security Officer at Gilead Sciences located in Foster City, California.  He has over 28 years of experience in Information Security across various industries and close to 15 years in Pharmaceutical and Biotechnology industry. Mr. Chellakarai has been the CISO at Gilead for 6 years and he is responsible for Cyber Security strategies, architecture, engineering and cyber security operations.

Prior to Gilead, Krishnan has worked as the Chief Security Architect at Roche/Genentech for 9 years and had a similar role in various organizations including Stanford Hospital, CNA Trust, Reuters America, and ABN Amro.