He has been a lecturer in Entrepreneurship for the Wharton School of Pennsylvania since 1993. He is also the regional manager for Australia, India and Israel for the Wharton Global Consulting Practicum, advisor for the Wharton Venture Initiation Program and entrepreneurial fellow for the Weiss Tech House. Jeffery has served as a judge for the Wharton Business Plan Competition and co-authored the book ‘Marketing That Works’.