Management Team

Gregory D. Casciaro

President and Chief Executive Officer

Gregory D. Casciaro has served as XTENT's President, Chief Executive Officer and a member of XTENT's board of directors since September 2004. From February 2000 to August 2003, Mr. Casciaro was the President and Chief Executive Officer and a director of Orquest, a medical technology company acquired by Johnson & Johnson. His career includes positions with General Surgical Innovations (acquired by United States Surgical) and vice president of sales for Guidant Corporation. Mr. Casciaro holds a B.A. in Business Administration from Marquette University.

Timothy D. Kahlenberg

Chief Financial Officer

Timothy D. Kahlenberg has served as XTENT's Chief Financial Officer since April 2006. From May 2005 to April 2006, Mr. Kahlenberg was the director of finance at Medtronic, a medical technology company. From August 1999 to February 2004, Mr. Kahlenberg was the President and Chief Financial Officer of LuMend, a developer of medical devices to treat chronic total occlusions, which was acquired by Cordis Corporation, a Johnson & Johnson company, in September 2005. Previous positions include senior financial and operating posts at AneuRx, a division of Medtronic, and at DVI, a subsidiary of Guidant Corp. Mr. Kahlenberg holds a B.S. in Quantitative Business Analysis and an M.B.A. from Indiana University.