Donald M. Butler, CFA, Principal of Vanguard. He has been with Vanguard since 1992; has managed investment portfolios since 1997; and has co-managed the Tax-Managed Capital Appreciation Fund, Tax-Managed Small-Cap Fund, and the stock portion of the Tax-Managed Balanced Fund since 2016. Education: B.S.B.A., Shippensburg University.

Michelle Louie, CFA, Portfolio Manager at Vanguard. She has been with Vanguard since 2010, has worked in investment management since 2011. Education: B.S., The American University; M.B.A., Georgia Institute of Technology.