Sean Quimby

Impresa Management LLC(Impresa Management) is a Private Equity/Venture Capital firm, a subsidiary of Devonshire Investors LLC founded in 1946.The firm is headquartered in Boston.

Invaluable LLC provides an online database of information on antiques, art, and related auction sales. It provides marketing and e-commerce solutions, including auction listings, online biddings, Websites, and auction management software options (RFC systems) to estate and art auctioneers worldwide. The company was founded in 1989 and is headquartered in Boston, MA.

Zipcar, Inc. operates a car sharing network. It operates membership-based businesses in major metropolitan areas and college campuses in the United States, Canada and the United Kingdom. The firm offers makes and models of self-service vehicles by the hour or day to residents and businesses looking for an alternative to the high costs and hassles of owning a car. The company was founded in January 2000 and is headquartered in Cambridge, MA.