The $4 billion alternative asset management firm the Quadrangle Group has promoted three executives. Josiah Rotenberg has been promoted to managing principal; T.J. Vigliotta has been promoted to principal; and Patrick Bartels has been promoted to vice president.
Rotenberg originally joined Quadrangle Debt Recovery Funds as vice president in July 2002 with a strong background in distressed debt. At Quadrangle, he has concentrated on the energy sector, including overseeing investments in Enron and Mirant, as well as on liquidations and the shipping industry. Before joining Quadrangle, Rotenberg was a vice president at Lazard and research analyst for the Lazard Debt Recovery Fund.
Vigliotta began as an associate at Quadrangle in July 2002. He has been responsible for conducting research on domestic and foreign distressed debt investment opportunities, primarily in the areas of telecommunications, cable and media. Previously, he worked at Lazard as a research analyst in their High Yield/Distressed Debt Group.
Bartels joined Quadrangle as an associate in May 2002. Prior to joining the firm, he was a research analyst in of INVESCO's High Yield Investments Group, where he analyzed primary and secondary debt offerings of companies in various industries.