BioMr. Costello co-founded Newstone Capital Partners, LLC and is responsible for the day-to-day management of the firm. Over the past thirty-one years, Mr. Costello has been extensively involved in mezzanine investing. Prior to forming Newstone, Mr. Costello was a Managing Director of TCW/Crescent Mezzanine, LLC and TCW. Prior thereto, Mr. Costello was a Senior Vice President with Heller Financial, Inc. and also served ....
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