David Marren is a Managing Director in Blackstone Credit's Debt Funds Management Europe, formerly Harbourmaster Capital prior to its acquisition by Blackstone Credit, then known as GSO Capital Partners, in early 2012. He is a senior member of the Loan Operations area in Dublin, and is primarily involved with portfolio administration, cash management, loan settlements and all related areas and activities. Mr. Marren joined Harbourmaster in August 2007. Prior to that, he worked for Bank of New York as a Trust Associate in the Corporate Trusts area and as a WSO Administrator at JP Morgan. Mr. Marren also spent four years at AIB dealing with bank reconciliations for corporate clients.