Our Leadership

Susan D. Nickey

Executive Vice President and Chief Client Officer

Susan Nickey is Chief Client Officer of HASI. She oversees business development opportunities and manages relationships with clean energy and engineering companies to drive new and programmatic client investments. In addition to ensuring the seamless integration of HASI’s client-centric approach across the company, Ms. Nickey leads the Corporate Affairs group responsible for communications, marketing, and public policy activities.

Ms. Nickey joined HASI in 2014, serving as a managing director until January 2021. Prior to joining HASI, she founded and served as Chief Executive Officer of Threshold Power. Prior to that, Ms. Nickey was the Chief Financial Officer of ACCIONA Energy North America. She joined ACCIONA in 2007 from Mesirow Financial, where she was a Managing Director of investment banking in the project finance group.

Ms. Nickey has been a board member of the American Clean Power Association (ACP) since 2020 and served as ACP Board Chair from June 2023 to February 2025. Previously, she served on the boards of the American Council on Renewable Energy (ACORE) and the American Wind Energy Association (AWEA).

Ms. Nickey has received numerous accolades for her significant influence and impactful contributions in the clean power industry. These recognitions include the Tamarindo Wind Power List (2023), A Word About Wind North American Power List (2018–2022), A Word About Wind Women’s Power List (2021), E+E Leader 100 Honoree (2021), and being named Woman of the Year by The Cleanie Awards (2020). Ms. Nickey received a Bachelor of Arts degree in Business Administration from the University of Notre Dame and a Master of Science degree in Foreign Service from Georgetown University.