Mary Chang
Vice President and Director of Performance and Analytics at Osterweis Capital Management Inc.
About
Mary Chang is Vice President and Director of Performance and Analytics at Osterweis Capital Management in San Francisco, California. In this role, she leads the Performance and Analytics team, delivering detailed analyses and oversight of the firm's investment portfolios and performance measurement processes. Her primary responsibilities include managing performance attribution, client reporting, and supporting portfolio optimization efforts across the firm.
Her focus areas span multiple asset classes, with an emphasis on data-driven insights into portfolio management, rather than direct sector-specific investment management. Mary’s expertise is in portfolio analytics and performance reporting, ensuring accuracy and transparency in the evaluation of all investment strategies at Osterweis.
Prior to joining Osterweis in 2010, Mary served as Associate Client Service Director at Cardinal Capital Management, LLC, and was a Consultant at PwC Management Consulting Services in New York. She holds a B.S. in Applied Economics from Cornell University and a Master of Engineering from the Massachusetts Institute of Technology. Mary is a CFA and CIPM charterholder and is a member of the CFA Society of San Francisco.
Career History
| Organization | Role | Date Range | Details | 
|---|---|---|---|
| Osterweis Capital Management | Vice President and Director of Performance and Analytics | Sep 2010 to Present | — | 
| Cardinal Capital Management, l.l.c. | Associate Director | Jan 2002 to Jan 2010 | — | 
| PWC | Management Consultant | Jan 1998 to Jan 2001 | — | 
| World Translation Services | Chinese-English Writing Translator | Jun 1997 to Aug 1997 | — | 
| Bloomberg Lp | Summer Intern | Jun 1996 to Aug 1996 | — | 
Education
Massachusetts Institute of Technology
Master of Engineering (MEng)
Cornell University
Bachelor of Science (BS)
Others at Osterweis Capital Management Inc. (12)
| Name | Role | Location | 
|---|---|---|
| AAndrew Chang | Analyst | San Francisco, CA , United States | 
| BBradley Kane | Assistant Portfolio Manager | San Francisco, CA , United States | 
| Portfolio Manager | New York, NY , United States | |
| GGreg Hermanski | Portfolio Manager | CA , United States | 
| JJasmine Shen | Senior Research Analyst | CA , United States | 
| Portfolio Manager of the Osterweis Total Return Fund (OSTRX) | Burlingame, CA , United States | |
| MMatthew Unger | Small Cap Growth Analyst | United States | 
| WWilliam Ginchereau | Vice President and Director of Information Technology | San Francisco, CA , United States | 
| DDaniel | PM | New York, NY , United States | 
|  | Senior Performance Analyst | San Francisco, CA , United States |