David Leigh

He is The Guardian newspaper reporter who broke the story of alleged secret payments by BAE to members of the Saudi royal family under the Al Yamamah contract.

Mark Mendelsohn

He is the chief prosecutor for international bribery at the U.S. Justice Department, which has more than 100 cases under investigation and has collected almost $1.5 billion in fines and penalties in the past two years.

Mark Pieth

A Swiss prosecutor and chair of the Organization for Economic Co-operation and Development's (OECD) Working Group on Bribery, he was an early ally of the United States in pressing Europe to ratify a treaty criminalizing international bribery.