He is co-founder and a senior partner of Lansberg, Gersick & Associates LLC, a research and consulting firm specializing in family enterprise and family philanthropy. Ivan was a professor of organizational behavior at the Yale School of Management for seven years, and a Research Fellow at Yale’s Institute for Social and Policy Studies. Prior to his affiliation with Yale, Ivan taught at the Columbia University Graduate School of Business. The son of an entrepreneur, he has personally experienced many of the issues associated with family business ownership.