profile image for John Chaimanis

John Chaimanis

  • Adjunct Lecturer
Academic Division: Finance
Mr. Chaimanis is the Co-Founder and Managing Director of Kendall Sustainable Infrastructure (KSI), a private equity firm that makes direct investments in clean-energy projects. In 2005, Mr. Chaimanis began working in clean energy finance, which represents the nexus of his business interests with his passion for making a positive impact. After working with regional renewable energy project developers in the New England area, he joined a subsidiary of Edison International in California, where he acquired and developed 250MW of wind energy projects, investing over $500 million dollars. Mr. Chaimanis regularly advises clean energy startups, and consults with investors looking to understand the clean energy investment landscape. He has been featured in the 2014 Journal of Environmental Investing Most Influential Investors edition, the Family Office Review, and is the author of an energy investment business case. Mr. Chaimanis speaks frequently on the topic of clean energy finance and is an adjunct faculty member at Babson College. Prior to his career in clean energy investing, Mr. Chaimanis was a founder of a charter school in the greater Boston area. Mr. Chaimanis holds an M.B.A. from Babson College, a B.S. in Finance from Villanova University, and has earned certification from US SIF for Sustainable and Responsible Investing (SRI).

Academic Degrees

  • MBA, Babson College
  • BS, Villanova University

Academic Interest / Expertise

Sustainability, Energy, Investment



  • Chaimanis, J.R. (2018). In Focus: John Chaimanis on sustainable infrastructure and the distributed market. Institutional Investing in Infrastructure. link
  • Chaimanis, J.R. (2016). Investing in Clean Energy: Campuses and Endowments. Intentional Endowments Network.
  • Chaimanis, J.R. (2014). Journal of Environmental Investing 5. Issue: 2, Page: 55-59. Journal of Environmental Investing 5.

Articles - Circular or newsletter (e.g., Babson Insight)

  • Chaimanis, J.R. (2013). Sustaining General Wealth.