CHICAGO— Len Siegel has been named director of partner marketing for Hyatt Hotels Corp. In his new position, Siegel is responsible for all partner marketing relationships with Hyatt and will negotiate business terms and manage partner legal agreements. He reports to Wendy Falk, vp/marketing programs. Siegel has more than 17 years of experience in marketing and advertising across a variety of industries, including financial services, travel and telecom. Most recently, he was a partnership marketing consultant for DVC Worldwide.