Dr. Milligan joined Gilead Sciences in 1990 as a research scientist and was made Director of Project Management and Project Team Leader for the Gilead Hoffmann-La Roche Tamiflu® collaboration in 1996. In 2002, Dr. Milligan was appointed Chief Financial Officer. He was named Chief Operating Officer in 2007 and President in 2008.

Dr. Milligan was named "Bay Area CFO of the Year" in 2006 for companies with revenues greater than $500 million, and he was named the top biotechnology industry CFO in the United States by Institutional Investor magazine in 2006, 2007 and 2008. In 2008, Dr. Milligan joined the board of Biotechnology Industry Organization (BIO), the largest biotechnology industry organization. Dr. Milligan is a Trustee of Ohio Wesleyan University.

Dr. Milligan received his BA from Ohio Wesleyan University, his PhD in biochemistry from the University of Illinois and was an American Cancer Society postdoctoral fellow at the University of California at San Francisco.

Gregg Alton joined Gilead Sciences in 1999. From 2000 to 2009 he served as General Counsel. In his current role, Mr. Alton is responsible for legal affairs, corporate compliance and quality, government affairs, medical affairs, public affairs and emerging market activities. Prior to joining Gilead, Mr. Alton was an attorney at the law firm of Cooley Godward, LLP, where he specialized in mergers and acquisitions, corporate partnerships and corporate finance transactions for healthcare and information technology companies.

Mr. Alton is a member of the boards of BayBio, a San Francisco Bay Area life sciences industry organization, and the Boys and Girls Clubs of Oakland. He is also a member of the advisory board of UCSF Global Health Sciences and a member of the Dean’s Advisory Council at Stanford Law School. Mr. Alton received a bachelor's degree in legal studies from the University of California at Berkeley, and holds a JD from Stanford University.

Kevin Young joined Gilead Sciences in 2004 as Executive Vice President of Commercial Operations. Mr. Young is a 29-year veteran of the biopharmaceutical industry, with a career that spans a variety of therapeutic categories including cardiology, oncology, rheumatology, hepatitis and HIV/AIDS. He previously held positions at Amgen, Inc. and AstraZeneca Pharmaceuticals (formerly ICI Pharmaceuticals). During his 12 years at Amgen, Mr. Young held a number of positions in Europe and the United States, most recently as Head of the U.S. Inflammation Business Unit leading the re-launch of Enbrel® following the acquisition of Immunex Corporation.

In 2011, Mr. Young was appointed Commander of The British Empire, one of Great Britain’s highest civilian honors, in recognition of his service to the healthcare and pharmaceutical industries.

Mr. Young has undergraduate and graduate degrees in Sports Science and Exercise from Liverpool John Moores University and Nottingham University in England and has completed the Executive Program at the University of Michigan.

Ms. Washington joined Gilead in 2008 and is currently Senior Vice President and Chief Financial Officer where she oversees the Global Finance and Information Technology organizations. Ms. Washington was previously Chief Financial Officer of Hyperion Solutions, which was acquired by Oracle Corporation in March 2007. Prior to that, Ms. Washington served in a number of executive positions with PeopleSoft, most recently in the role of Senior Vice President and Corporate Controller. Ms. Washington previously served on the Board of Directors of Tektronix, Inc. (acquired by Danaher), the Board of Directors of MIPS Technologies Inc. (acquired by Imagination), and currently is a member of the Board of Directors of Honeywell, the Board of Directors of the San Jose Children's Discovery Museum and the Board of Visitors, Graziadio School of Business and Management, Pepperdine University.

Ms. Washington is a certified public accountant and holds a bachelor's degree in business administration from the University of Michigan and a MBA from Pepperdine University.

Ms. Watson joined Gilead in February 2003 to manage compensation and HR information systems. In 2006 she was promoted to Senior Director of Total Rewards, and was appointed to Vice President of Employee Development and Rewards in 2012.Ms. Watson currently serves as Senior Vice President Human Resources. Before joining Gilead she was Manager of Compensation for Applied Biosystems (formerly Applera Corporation), led the HR consulting practice for TriNet and worked as an HR Business Partner for DE Shaw & Co.

Ms. Watson holds a degree in Psychology from the University of California at San Diego and a master's in Organizational Psychology from Columbia University.