Katherine Collins,CFA, MTS

Head of Sustainable Investing

Ms. Collins is Head of Sustainable Investing. She is responsible for leading Putnam's investment research, strategy implementation, and thought leadership on environmental, social, and governance (ESG) principles. 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. In addition, she is a portfolio manager of Putnam Sustainable Future Fund and Putnam Sustainable Leaders Fund. 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 ESG principles. She joined Putnam in 2017 and has been in the investment industry since 1990. Ms. Collins serves on numerous boards, including Last Mile Health, Santa Fe Institute, Omega Institute, and Harvard Divinity School Dean's Council.

Funds managed

Fact sheet Annual Semi annual Compare
Sustainable Future Fund
Sustainable Leaders Fund

Blog posts

Company diversity and social justice


Company diversity is a step toward equity and equity is a step toward inclusion, which is important to company success.

Sustainability research: A week in the life of our team


Our research includes discussions with company managements, other researchers and investors, industry and subject experts, and non-profit organizations.

Sustainable value: Gender diversity on corporate boards


Diversity in companies — including gender diversity — can have a positive impact on company performance and strategic ability.