Eric Lefkofsky – Kellogg School of Management Lecture – Part 2 By Posted November 15, 2012 In Groupon Eric Lefkofsky – Kellogg School of Management Lecture – Part 22012-11-152012-11-15/wp-content/uploads/2017/06/logo-bw-2-1.pngEric Lefkofsky | Entrepreneur & Philanthropist/wp-content/uploads/2017/06/logo-bw-2-1.png200px200px 0