Chief Investment Officer – Emerging Growth

Jim Callinan graduated from Harvard College (B.A. Economics), New York University (M.S. Accounting) and Harvard Business School (M.B.A.). Mr. Callinan holds the Chartered Financial Analyst designation.

Prior to joining Osterweis Capital Management in 2016, Mr. Callinan managed the Emerging Growth Partnership, LP, a concentrated small cap growth strategy he founded at RS and transitioned to his own firm. Before that, he was Co-Founder & Chief Investment Officer at RS Investments. He also co-founded the RS Growth Group LLC at Robertson Stephens Investment Management in 1996 and managed the RS Emerging Growth Fund from 1996 until 2010.

He began his career at Putnam Investments as an equity research analyst in 1987 and served as portfolio manager for the Putnam OTC Emerging Growth Fund from 1994 to 1996.

Mr. Callinan is an Executive Committee member of the of Weatherbie Capital (an Alger Company) Advisory Board and the Friends of Harvard Football Board.

Mr. Callinan is a principal of the firm and a Portfolio Manager for the emerging growth strategy. He is also a Portfolio Manager for the flexible balanced strategy.