Ken Lehman

Mr. Lehman currently serves as Managing Director of Kendall Investments and Kendall Sustainable Infrastructure.  He has been with Kendall Investments since its inception in 2004.  Mr. Lehman’s work includes deal sourcing, due diligence, negotiation and ongoing asset management.  Prior to Kendall, Mr. Lehman’s work includes experience at private equity management company BDC Financial, Inc. and at the law firm of Skadden, Arps, Slate, Meagher & Flom, LLP.  Mr. Lehman’s experience includes work as an attorney, an investor and an asset manager.  Mr. Lehman holds a J.D. from Columbia University School of Law, an M.A. from Harvard University and a B.A. from Dartmouth College.


John Chaimanis

Mr. Chaimanis is a Managing Director of Kendall Sustainable Infrastructure.  He joined the firm in 2012.  His work focuses on all aspects of the business including deal sourcing, financial structuring and asset management.  Prior to Kendall, Mr. Chaimanis worked with a subsidiary of Edison International in California where he developed and acquired over $500M of energy projects, installing 250MW of renewable energy assets.  Mr. Chaimanis is published and has lectured to universities on the topic of energy markets and renewables.  Prior to his career in energy, Mr. Chaimanis founded a charter school.  Mr. Chaimanis holds an M.B.A. from Babson College, and a B.S. in Finance from Villanova University.  He has earned certification from US SIF for Sustainable and Responsible Investing (SRI).


Erik Bullerjahn

Mr. Bullerjahn has been with Kendall Investments since 2006. His work includes investment research, due diligence, portfolio allocation and investor relations.  Mr. Bullerjahn’s prior experience includes turnaround group ASI, where his work focused on leveraged buyouts, turnarounds and restructurings.  Prior to ASI, Mr. Bullerjahn worked at the Bostonia Group, a Boston based mid-market acquisitions firm. Mr. Bullerjahn holds an M.B.A. from Babson College’s Olin Graduate School of Business and a B.A. from Wheaton College.