Criterion Economics is a Washington D.C. based international business consulting company that focuses on "strategic, economic, and business transformation matters" and provides "expert economic testimony in legal proceedings throughout the world."  J. Gregory Sidak is Founder and Chairman of Criterion Economics. 
Source: Criterion Website 2013.09.03
Criterion Economics, L.L.C.
1000 Connecticut Avenue N.W., Suite 900
Washington, D.C. 20036
United States of America