Jonathan Siegel

Jonathan Siegel is a Partner at Altes Capital and leads Altes Ascent, the firm’s impact investing division. With over 20 years of experience in the financial markets, he applies quantitative rigor, disciplined underwriting, and risk management to the evaluation of impact-aligned opportunities across the real economy.

Prior to joining Altes, Mr. Siegel was a Managing Director at Bank of America, where he led Quantitative Investment Strategies and managed complex, cross-asset platforms. During his tenure, he served on the Equities Sustainability Committee and the Global Markets Senior Diversity and Inclusion Council. Mr. Siegel holds a B.S. in Economics from Duke University and has completed executive education in Sustainable Finance at the Yale School of Management and Artificial Intelligence at MIT Sloan.