Maurice Sonnenberg was Vice Chairman of the Report of the National Commission on Terrorism in June 2000. At the time, he was senior international advisor to the investment banking firm of Bear, Stearns & Co., Inc. and the senior international advisor to the law firm of Manatt, Phelps & Phillips, LLP.
Sonnenberg was a member of the President William Jefferson Clinton's Foreign Intelligence Advisory Board. He served as a member of the U.S. Commission on Reducing and Protecting Government Secrecy and as the senior advisor to the U.S. Commission on the Roles and Capabilities of the U.S. Intelligence Community.
- Maurice Sonnenberg, "Foreword to Countering The Changing Threat of International Terrorism: Report of the National Commission on Terrorism", June 2000.