Quan H. Mac

Quan H. Mac, co-founder and co-CEO/CIO of Bostwick Investment Consulting, is a seasoned investment executive and trusted family office advisor. With 27 years of investment and two decades of family office experience and leadership, Quan is respected for combining institutional discipline with a sophisticated understanding of family dynamics. She most recently served as CEO and CIO of Greenville Asset Management, a private investment firm serving a multi-generational family. Prior to that, she was president and CEO of Greenville Partners, a single family office where she was the first employee and led the firm for seven years. Her earlier leadership roles included Managing Director of Family Office Services at Legacy Trust and Director of Global Private Equity at RDV Corporation. She began her career in investment management at UBS Global Asset Management (Brinson Partners), Merrill Lynch Investment Manager (Hotchkis and Wiley), and Transamerica Retirement Services, gaining experience across global institutions that shaped her long-term strategic approach.

Notably, Quan was appointed by Governor Gretchen Whitmer to the bipartisan board of the Michigan Health Endowment Fund, which supports statewide initiatives focused on infant mortality, access to nutritious food, wellness programs, transportation for care, and health technology — with a particular focus on vulnerable children and seniors. She also serves as a trustee for the Hg Foundation as well as on the investment committee of the Steelcase Foundation, the advisory council and steering committee for the Family Office Initiative at University of Chicago Booth School of Business, and Northwestern University’s Council of 100.

Quan earned her MBA from the University of Chicago Booth School of Business and her bachelor’s degree from Northwestern University.