Dayan Abeyaratne is a Partner at PJT Partners, based in the United States. He has been with PJT Partners since November 2015, initially serving as Managing Director before being promoted to Partner in January 2018.

Prior to joining PJT Partners, Dayan held the position of Managing Director at The Blackstone Group from February 2014 to November 2015. He also served as Managing Director - Power & Utilities at UBS Investment Bank from May 2012 to November 2013.

Earlier in his career, Dayan was Vice President, Corporate Strategy & Development at Constellation Energy from November 2009 to November 2012, and Senior Vice President, Global Financial Institutions Group at Barclays Capital from September 2008 to November 2009.