Daniel O'Day

Daniel P.
O'Day is currently Chairman & Chief Executive Officer at Gilead Sciences, Inc. since 2019.
He is also a Director at the Pharmaceutical Manufacturers Association of America and Shanghai Roche Pharmaceuticals Ltd. Formerly, Mr. O'Day was Chief Executive Officer at Roche Pharmaceuticals, Inc. from 2012 to 2018.
He served as President & Chief Executive Officer at Roche Molecular Systems, Inc. He was Chairman-Elect at Pharmaceutical Research & Manufacturers of America.
He held director roles at Genentech, Inc., Chugai Pharmaceutical Co., Ltd., Foundation Medicine, Inc., and Flatiron Health, Inc. He was Director at Roche Diagnostics GmbH from 2010 to 2012.
He was Non-Independent Non-Executive Director at Lakefront Biotherapeutics from 2023 to 2024.
He held the position of COO-Roche Pharmaceuticals Division at Roche Holding AG and Head-Corporate Planning at Roche Diagnostics KK.
He was Chief Operating Officer at Roche Diagnostics A from 1999 to 2012.
He was Head-Business Unit, Arthritis & Respiratory at Roche Pharma (Schweiz) AG from 1998 to 1999.
He was General Manager at Roche A in 2006.
Education includes an MBA from The Trustees of Columbia University in The City of New York in 1997 and an undergraduate degree from Georgetown University in 1986.