Jonathan Costello is a Partner in Park Hill and head of the Park Hill Secondary Advisory Group at PJT Partners, based in New York. Mr. Costello has over 20 years of experience in the alternative asset and financial services industry. Prior to joining Park Hill, Mr. Costello was a Managing Director with Morgan Stanley Alternative Investment Partners, heading private equity secondary investments and serving as a member of its global investment committee. Prior to Morgan Stanley, Mr. Costello was a member of the private equity team at Susquehanna International Group. Previously, he co-founded the secondary advisory group at SSG Capital Advisors and was a Vice President at Safeguard Scientifics. Mr. Costello received a BS in Finance from Boston College.