Dennis Jaffe

Senior Research Fellow

Back To Our People

Dennis Jaffe is a Senior Research Fellow, who works to enhance Banyan’s capability to address emerging challenges in the field of family wealth advising and the wellbeing of its clients. For more than 40 years he has been involved as a researcher, educator, and practitioner to families, focused on family governance, living up to personal and family values, development of resilient and innovative family leadership, and how families can use their wealth to make a positive impact.

His research interviewing 100 large global families, described in his book Borrowed from Your Grandchildren: The Evolution of 100-Year Family Enterprises, provides a picture of how successful business families evolve and thrive across generations, and Wealth 3.0: The Future of Family Wealth Advising, provides a vision of the future of the field. He lives in San Francisco, where he and his wife have raised 3 sons and now attend to their growing families and four pre-teen grandchildren. He has been honored as one of the 100 family business influencers by Family Capital, was named outstanding individual contributor to the field by Family Wealth Report, and awarded the Beckhard and International service awards by the Family Firm Institute.

Fun Facts:

  • Consulted family businesses in every continent (except Antarctica, but there’s still time)
  • 3rd Don Black belt and teacher of Korean sword martial arts


  • Yale University, BA (philosophy), MA (organizational behavior), and PhD (sociology).