Katherine Collins, CFA, MTS

Head of Sustainable Investing

Katherine Collins, CFA, MTS


Ms. Collins is Head of Sustainable Investing and the portfolio manager of Putnam's sustainable investing strategies. She is responsible for leading Putnam's investment research, strategy implementation, and thought leadership on environmental, social, and governance (ESG) issues. Ms. Collins collaborates with portfolio managers and analysts on ESG integration, assessing the fundamental relevance of ESG issues at a security level, and the potential for alpha generation and risk mitigation at a portfolio level. She is the portfolio manager of two ESG-focused separately managed accounts, specifically managed for institutional clients. Ms. Collins joined Putnam in 2017 and has been in the investment industry since 1990. A recognized thought leader, Ms. Collins provides analysis on current and emerging trends in sustainable investing. She is the author of The Nature of Investing: Resilient Investment Strategies through Biomimicry. In 2009, Ms. Collins founded Honeybee Capital, an independent investment research firm focused on sustainable investment issues.

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Years in the industry: 31
Years at Putnam Investments: 4

  • Honeybee Capital, Founder and Chief Executive Officer, 2009–2017
  • Fidelity Investments, Head of Equity Research, 2002–2005
  • Fidelity Investments, Program Officer, Fidelity Foundations, 1999–2001
  • Fidelity Investments, Portfolio Manager, 1992-1999, 2005-2008
  • Fidelity Investments, Equity Research Analyst, 1990–1997


  • Harvard Divinity School, Master of Theological Studies
  • Wellesley College, B.A.