Hannon Armstrong Sustainable Infrastructure Capital, Inc. announced the promotions of Jeffrey A. Lipson, Susan D. Nickey, Marc T. Pangburn, Steven L. Chuslo, Charles W. Melko, and Richard R. Santoroski, effective immediately. Additionally, the company announced that J. Brendan Herron will be transitioning to a strategic advisory role starting in April 2021. Jeffrey A. Lipsonwill assume the role of chief operating officer and retain his responsibilities as executive vice president, chief financial officer, and member of the Investment Committee. In the expanded COO role, Mr. Lipson will oversee the company's continued enhancement of its operating platform. Mr. Lipson’s corporate leadership and investor relations expertise was recognized by Institutional Investor’s prestigious 2021 All-America Executive Team survey released in November 2020,ranking him #1 in the Best CFO category for small-cap financial institutions. Susan D. Nickey, currently managing director, will assume the role of executive vice president and chief client officer. Ms. Nickey currently serves as interim treasurer on the transition board of the American Clean Power Association, the board of directors for the American Council of Renewable Energy, the President's Council at Ceres, and was recognized as the Women of the Year at the 2020 Cleanie Awards and named to the 2020 North American Power List of the 100 most influential individuals in the wind industry for the third time. Marc T. Pangburn, currently managing director, will assume the role of executive vice president and co-chief investment officer, sharing the increasing responsibilities of this position with Nathaniel J. Rose. Steven L. Chuslo, currently executive vice president and general counsel, will assume the role of chief legal officer. Charles W. Melkowill assume the role of treasurer and retain his responsibilities as chief accounting officer. Richard R. Santoroski, currently managing director, will become executive vice president and chief analytics officer.