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Fixed income
Active fixed income investments uncover yield and value opportunities while mitigating risk. Tap into Natixis Investment Managers’ expertise.
September 18, 2024
Portfolio analysis & consulting
In-depth portfolio analysis to identify and measure sources and drivers of risk and return that can be applied to asset allocation in client portfolios.
Outlook 2025
December 19, 2024
2025 Investment outlook
What’s ahead for investors? Our portfolio managers and strategists share macro, market, and asset allocation views.
Tools of the Trade
Tap into insights, portfolio analysis techniques, and educational tools to explore trends, navigate rapidly changing markets, and uncover opportunities.
Diversity, inclusion, and belonging
We continually work to create an environment that promotes diversity, inclusion, and belonging in all its forms, across gender, race, religion, sexual orientation, disability, ethnicity and background.

Erik R. Sirri, PhD

Former Professor of Finance

Babson College

Mr. Sirri is a former professor of finance at Babson College. His research interests include the interaction of securities law and finance, securities market structure, and investment management. He was the director of the Division of Trading and Markets at the U.S. Securities and Exchange Commission ("SEC") from 2006 to 2009, where he was responsible for matters relating to the regulation of stock and option exchanges, national securities associations, brokers, dealers, clearing agencies, transfer agents, and credit rating agencies. He also served as the SEC’s chief economist from 1996 to 1999 and was an assistant professor of finance at the Harvard Business School from 1989 to 1995.

He has consulted for securities firms, stock exchanges, mutual fund companies, issuers, and information vendors on a variety of regulatory and business matters. His published writings appear in academic journals, practitioner journals and books.

Mr. Sirri received a BS in astronomy from the California Institute of Technology, an MBA from the University of California, Irvine, and a PhD in finance from the University of California, Los Angeles.

The above person is not an employee or associated person of Natixis Investment Managers and is independently responsible for the information provided and for expressed views and opinions on all topics.

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