About
Rayport has been a director of Monster since April 2010. Since August 2009, Dr. Rayport has been an operating partner at Castanea Partners, a private equity firm focused on investments in marketing, retail, and information services. He is now senior advisor to the firm. From October 2003 to May 2009, he was executive chairman of Marketspace LLC, a digital strategy advisory and research business of Monitor Group, and served as chief executive officer of Marketspace from September 1998 to October 2003. From September 1991 through September 1999, Dr. Rayport was a faculty member in the marketing and service management units at the Harvard Business School.
Position in the VCSift Database
- • 2 investors at Castanea are tracked.
- • 1,303 investors hold the Operating Partner role in VCSift. Jeffrey Rayport is one of them.
- • 2,293 investors are based in Boston, Massachusetts, United States.
Data sourced from 410,343 investor profiles. Updated June 2026.
Investment Focus
- Location
- Boston, US
Contact Information
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