Jeffrey Rayport Joins Castanea Partners

Jeffrey Rayport has joined private equity firm Castanea Partners as an operating partner. He previously was a senior partner with Monitor Group, where he founded and chaired a business consultancy called Marketspace LLC. 


Castanea Partners announced today that Jeffrey F. Rayport has joined the firm as Operating Partner. Jeffrey has over 20 years of executive experience in information and marketing services.

Prior to Castanea, Jeffrey was the founder and chairman of Marketspace LLC, a strategy practice that works with leading companies to radically reinvent how they interact with customers and markets. Marketspace is a unit of Monitor Group, a global strategy services and merchant banking firm.

Previously, Jeffrey was a faculty member at Harvard Business School where he developed and taught the first e-commerce course in the United States. Jeffrey continues to teach in various executive programs at the school.

Robert Smith, Managing Partner of Castanea, said, “As an operating oriented private investment firm, adding Jeffrey to our team presents an extraordinary opportunity. He will add to our unique level and depth of operating expertise. He has intellectual leadership and specific experience within the information, consumer facing and marketing service sectors and greatly enhances our ability to add value in supporting our portfolio companies.”

As a senior partner at Monitor, Jeffrey founded several business units in the firm, including Marketspace and Monitor Executive Development, a customized executive education unit. Jeffrey consults and speaks on strategies for customer engagement to drive growth, with a specialization in media and entertainment, retail, and financial services. He is a founding faculty member of several corporate universities and has co-authored a series of leading MBA-level textbooks on strategy in the networked economy. Most recently, Jeffrey published a best-selling business book on reinventing service businesses, Best Face Forward: Why Companies Must Improve Their Service Interfaces with Customers.

Jeffrey is a columnist for BusinessWeek Online. He has written for other publications as well, including CIO, Financial Times, Fast Company,, Harvard Business Review,, McKinsey Quarterly, Optimize, and Strategy & Business. As a keynote speaker, he is represented exclusively by the Washington Speakers Bureau.

Jeffrey has served as a director of both public and private corporations, which currently include: Andrews McMeel Universal; GSI Commerce; International Data Group; iCrossing; and Valueclick. Past directorships have included, Be Free, and CBS MarketWatch. Jeffrey also serves on the International Advisory Board of Fleishman-Hillard and the Advisory Board of Brodeur Partners, both strategic communications firms of Omnicom.

About Castanea Partners

Castanea Partners is a private equity firm that invests in small and middle market companies in publishing, education, training, consumer brands, specialty retail, and marketing services. The firm has extensive operating and private equity investment experience in these sectors and, working closely with management, seeks to optimize business performance and realize attractive returns.

Castanea participates in leveraged buyouts, growth and acquisition equity investments, and operationally challenging situations. The firm is currently investing from its third fund, a $575 million fund that targets companies with enterprise values up to $250 million.

For more information, visit