William E. Dordelman serves as Senior Vice President and Treasurer for Comcast Corporation, where he oversees the company's relationships with financial institutions and manages the company’s capital formation activities. He is also responsible for many of the internal financial structures and processes of Comcast and its majority-owned subsidiary NBCUniversal, overseeing a diverse array of credit-related matters as well as capital allocation and investment management activities throughout the company. 

Bill helped create and currently serves on the board of directors for both the Comcast Foundation and Comcast Capital Corporation. In prior roles at Comcast, Bill oversaw investor relations and was instrumental in many aspects of the company’s public reporting and disclosure to the financial community. 

Prior to joining Comcast in 1993, Bill was an investment banker for nine years with Lazard Freres & Co. and Morgan Stanley & Co, and an affiliate of Montgomery Securities, where he worked on mergers and acquisitions and oversaw corporate financial matters pertaining to the media and communications industry. 

Bill graduated magna cum laude with a Bachelor of Arts from St. Lawrence University.