Gary David Cohn is an American business leader who served as the 11th Director of the National Economic Council and chief economic advisor to President Donald Trump from 2017 to 2018. He managed the administration’s economic policy agenda. Before serving in the White House, Cohn was President and Chief Operating Officer of Goldman Sachs, where he worked for more than 25 years. Following his White House service, Cohn became an advisor and venture capital investor for companies operating in the cybersecurity, blockchain infrastructure, and medical technology sectors. He currently serves on the Board of Advisors for Hoyos Integrity, a startup company employing biometric blockchain technology for secure communications and digital payments. Cohn is also the Chairman of the Advisory Board at Pallas Advisors, a national security strategic advisory firm based in Washington, D.C.