Photo of Maria S. Jelescu Dreyfus.

Maria S. Jelescu Dreyfus

Chief Executive Officer

Ardinall Investment Management


Maria S. Jelescu Dreyfus is Chief Executive Officer and Founder of Ardinall Investment Management, an investment firm focused on sustainable investing and resilient infrastructure that she started in 2017. Prior to that, she spent 15 years at Goldman Sachs & Co., where she served as a Portfolio Manager and Managing Director in the Investment Management Division of the Goldman Sachs Investment Partners (GSIP) Group.

Ms. Dreyfus is currently a member of the advisory board and on the executive committee of the Center on Global Energy Policy at Columbia University, and serves as the Co-Chair of their Women in Energy program. Additionally, she is a member of the MIT Corporation’s Development Committee and sits on the MIT Economics Department’s Visiting Committee. She is a Director on the Boards of Pioneer Natural Resources,  Cadiz Inc. and XiO, and she sits on the advisory board of Eni Next. She served as an independent director on the board of Macquarie Infrastructure Corporation between 2018 and 2022. Her current and past non-profit board memberships include the Global CCS Foundation, New America Alliance, Breakthrough New York and Girls Inc. of New York City.

Ms. Dreyfus is a CFA charterholder and possesses a dual degree in Economics and Management Science from the Massachusetts Institute of Technology.


  • November 13, 2019


  • Investment and Risk Management