1987, BA in Economics and Law, IUIMBS; 1992, MA in Economics and 1995, PhD in Economics, Univ. of Oklahoma. Professor of Economics: 1995-97, Univ. of Oklahoma; 1997-2001, Colorado School of Mines; 2001-08, Ohio Northern Univ., as George Patton Chair of Business and Economics. 2008, joined NGP as Chief Economist; leads the firm's macro-analysis of oil, natural gas and related markets, and overall economic environment. Member of the board of several energy-related publications. Academician, author, researcher, speaker, with more than 800 papers, articles and columns. Has addressed various national and international organizations, institutions and conferences.