The Carlyle Group, a global investment company
- Senior Advisor since January 2024
- Partner and Managing Director (2014 – 2023)
President’s Intelligence Advisory Board, an independent intelligence advisory board within the Executive Office of the President
- Member (August 2014 – January 2017)
U.S. Federal Communications Commission, an independent federal agency of the United States
- Chair (2009 – 2013)
IAC Inc. (formerly IAC/InterActiveCorp), a holding company that owns brands across 100 countries
- Member of Barry Diller’s Office of the Chairman, Chief of Business Operations, and General Counsel (1997 – 2005)
Supreme Court of the United States
- Law Clerk to David H. Souter (1993 – 1994)
- Law Clerk to William J. Brennan, Jr. (1992 – 1993)
- Mastercard Incorporated since June 2014
- Sonos, Inc. since September 2013
- Sprint Corporation (August 2015 – April 2020)
- Director, HIAS since 2022
- Member, President-Elect Obama’s Transition Board (2008)
- Chairperson, Obama Presidential Campaign Technology, Media and Telecommunications Policy Working Group (2008)
