Independent Age: 73 Director since: 2018 Board Committees Compensation and Talent Science Other Public Company Board Service: None CAREER HIGHLIGHTS California Institute of Technology John G. Kirkwood and Arthur A. Noyes Professor of Chemistry Emerita in the Division of Chemistry and Chemical Engineering; member of the faculty for more than 30 years and Norman Davidson Leadership Chair of the division from 2009 to 2019 GeneOhm Sciences Inc. , a molecular diagnostics company (acquired by Becton, Dickinson and Company) Founder and board member (2001-2006) OTHER PROFESSIONAL HIGHLIGHTS AND ITEMS OF NOTE Member of Gilead s Scientific Advisory Board from 1989 to 2007 Former director of both Dow Inc. and The Dow Chemical Company and a former member of the board and Materials Advisory Committee of DowDupont Inc. Member of the National Academy of Sciences, the National Academy of Medicine and the American Philosophical Society Recipient of the 2010 National Medal of Science for her discovery of new chemistry of the DNA helix and the 2015 Priestley Medal, the highest award of the American Chemical Society RELEVANT SKILLS AND EXPERIENCE Extensive experience in chemistry and related fields , for which she has received many awards Accomplished academic and inventor who has performed pioneering medical research and discovery Business experience as a founder and leader of a molecular diagnostics company