Cendant Corp.'s Vehicle and Financial Services Division on Sept. 26, 2001 named David Siegel, 39, chairman and CEO of its Avis Rent A Car System, Inc. unit. Formerly president of Continental Express, Siegel will lead all sales, marketing, finance, operations and human resources for Avis. The Avis chairman and CEO position has been vacant since the resignation of A. Barry Rand in March 2001.Siegel spent seven years at Continental, the final four as president of its $700 million Continental Express subsidiary. Prior to his years at Continental, Siegel served as director of corporate planning for Northwest Airlines and also worked for several years a consultant for Bain & Company. Since leaving Continental, he has also spent stints at Budget Group and eVolution Global Partners.