Team

After graduating from business school, John Osterweis served as a Senior Analyst concentrating on the forest products and paper industry for several regional brokerage firms and later for E.F. Hutton & Company, Inc. In addition to his activities as an analyst, Mr. Osterweis served as Director of Research for two firms and managed equity portfolios for over ten years.

In late 1982, Mr. Osterweis decided to devote himself full time to his portfolio management activities, and in April of 1983 launched Osterweis Capital Management. Mr. Osterweis has served as Director of the Lucas Museum of Narrative Art, Director on the Stanford Alumni Association Executive Board, Trustee of Bowdoin College, Director and Vice Chairman of Mt. Zion Hospital and Medical Center, and President of the Board of Directors for Summer Search Foundation. He currently serves as a Trustee of the San Francisco Ballet Association, Director of the San Francisco Free Clinic, and President Emeritus of the San Francisco Ballet Endowment Foundation, as well as Trustee Emeritus of Summer Search Foundation and of Bowdoin College.

He is a member of the firm’s Management Committee, a principal of the firm, and a co-lead Portfolio Manager for the core equity, growth & income, and flexible balanced strategies.

Mr. Osterweis graduated from Bowdoin College (B.A. in Philosophy, cum laude), and Stanford Graduate School of Business (M.B.A. with top honors in Finance).

Carl Kaufman joined Osterweis Capital Management in 2002 after almost 24 years in various positions at Robertson Stephens and Merrill Lynch. He has managed the Osterweis Strategic Income Fund since its inception in 2002. In addition, he is the Managing Director of Fixed Income and a lead Portfolio Manager for the Osterweis Growth & Income Fund.

In his management role at the firm, he is responsible primarily for investment matters and is a member of the firm’s Management Committee. Mr. Kaufman is a principal of the firm. Additionally, he is a member of the Board of Trustees for the San Francisco Conservatory of Music.

Mr. Kaufman graduated from Harvard University and attended New York University Graduate School of Business Administration.

Catherine Halberstadt joined Osterweis in 1994 as part of the Operations team. Since then, she has progressively assumed more responsibility at the firm, most recently in the role of Chief Operating Officer and Chief Financial Officer. Effective July 2017, Ms. Halberstadt assumed the role of Co-President & Co-Chief Executive Officer. Prior to joining Osterweis, Ms. Halberstadt worked in the Treasury Department at Westamerica Bank.

She is a principal of the firm and is responsible for the President and CEO functions related to the firm’s non-investment matters including Operations, Compliance, Finance, Technology, Client Relations, Business Development, Marketing, and Human Resources. Ms. Halberstadt is also a member of the firm’s Management Committee. Additionally, she is a member of the Investment Advisor Association’s Board of Governors.

Ms. Halberstadt graduated from the University of San Francisco (B.S. in Business Administration).