Jen Lee Koss is an impact investing professional at Summa Equity, a leading Nordic impact private equity firm investing in companies addressing the global sustainability challenges of the 21st century across the thematic areas of transforming industries, enabling technologies, and solving societal challenges.

She is an investor and advisor in the impact investing space with deep expertise in impact-weighted accounting and measuring the real-world outcomes of investment portfolios. A Harvard Business School graduate, Jen brings a data-driven approach to advancing impact within private markets.