Commercial Defeasance, LLC, one of the market leaders in the defeasance of CMBS Loans, officially opened a new office in New York City on August 30, 2007. After ten years with GE Capital Corp., most recently as a project manager in the Capital Markets Group, John Ahern has joined Commercial Defeasance as a v.p. of sales and will manage the new office. Ahern will report to Josh Cohen, managing director. The new office is located at 28 West 44th Street, 14th Floor, New York, N.Y., 10036. The office is the third location for Commercial Defeasance.