Jeff is an entrepreneur and a Socratic teacher. As an entrepreneur, he began by starting his first company at age 16 and most recently sold Sandefer Capital, an energy investment firm with several billion dollars in assets. As a teacher, he cofounded the Acton School of Business, a school dedicated to America’s next generation of principled entrepreneurs and famous for its 100-hour work weeks. The Princeton Review has consistently ranked Acton’s teachers, students, and program among the best in the country. While at the University of Texas, Jeff’s students voted him the school’s Most Outstanding Teacher five times, and he was named by Businessweek as one of the top entrepreneurship professors in America. He also cofounded Acton Academy (Austin), where he is a middle school lead guide. Jeff has been a longtime board member of National Review, the Texas Public Policy Foundation, The Philanthropy Roundtable, and the Harvard Business School and is one of the youngest members ever elected to the Texas Business Hall of Fame.