TGG Group is the holding company for three units: TGG, its core consulting and advisory division; The Greatest Good, a consulting business serving non-profit organizations; and, TGG Ventures, an innovation and co-venturing arm. TGG is a consulting firm that heavily relies on behavioral economics and data analysis. Notable current and former employees Vikram Pandit, chairman Andrew M. Rosenfield, CEO Steven Levitt, co-founder Daniel Kahneman, co-founder Gary Becker, co-founder Amee Kamdar, co-founder and former managing partner Lewis B. Kaden, senior advisor Daron Acemoglu, academic affiliate Max H. Bazerman, academic affiliate Raj Chetty, academic affiliate Atul Gawande, academic affiliate Edward Glaeser, academic affiliate David Laibson, academic affiliate Nathan Myhrvold, academic affiliate Emily Oster, academic affiliate Steven Pinker, academic affiliate Lisa Randall, academic affiliate Jesse Shapiro, academic affiliate Richard Thaler, academic affiliate Cass Sunstein, academic affiliate Sudhir Venkatesh, academic affiliate Elke U. Weber, academic affiliate References External links Official website Interview with Steven Levitt on forbes.com Management consulting firms of the United States Macroeconomics consulting firms Companies based in Chicago 2009 establishments in Illinois Consulting firms established in 2009 American companies established in 2009