Andrew N. O'Brien, CFA

Assistant Director of Research, Portfolio Manager

Andrew N. O'Brien, CFA


Mr. O’Brien is Assistant Director of Research, providing oversight and strategic direction to Putnam's team of analysts. In addition, he is a Portfolio Manager of the Putnam Global Technology strategy and Putnam U.S. Research strategy. Mr. O'Brien is also an analyst in Putnam's Equity Research group, focusing on the U.S. technology sector. He is responsible for conducting fundamental analysis, developing insights on material sustainability issues, assessing valuations, and making buy/sell recommendations for companies in the semiconductor, hardware, and software industries. Mr. O'Brien has been in the investment industry since he joined Putnam in 2011.

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Years in the industry: 13
Years at Putnam Investments: 13


  • Babson College, B.S., Business Administration