Stephen Kaufer

Oyster Travel Corp. provides information and reviews about hotels through online. It sends reviewers to visit, photograph, critique, and rate each hotel reviewed on Oyster. The firm rates hotels through the following categories such as quality of amenities, services available, quality of rooms, and cleanliness and overall condition of the property as a whole. The company was founded by Elie Seidman, Ariel Charytan and Eytan Seidman in 2008 and is headquartered in New York, NY.

FlipKey LLC organizes and manages vacational rental properties. The firm provides services to vacationers to find the ideal vacation home rental. The company was founded by T. J. Mahony, Carl Query, and Jeremiah Gall in November 2006 and is headquartered in Boston, MA.

Net Research Foundation operates as a foundation for cancer patients. The non-profit company is based in Boston.

CityMaps, Inc. provides mapping services. It develops and offers vector map engine and related client applications for iOS, android, and windows users. The company was founded by Elliot Cohen and Aaron Rudenstine in 2010 and is headquartered in New York, NY.

Guia de Apartamentos Niumba SL provides online marketing services for the tourist properties sector. It is a directory of holiday apartments and houses for rent in the city, the country or at the seaside. Its mission is to make the information available on every apartment in Spain available on the web. The company was founded in April 2005 and is headquartered in Madrid, Spain.

Jetsetter, Inc. provides online travel arrangement services. It is a community of travelers that provides members with insider access, expert knowledge and exclusive deals on the world's greatest vacations. The company was founded by Andrew Patterson in September 2009 and is headquartered in New York, NY.

Pillar Co Management LLC (Pillar VC) is a venture capital firm founded in 2016 by Jamie Goldstein. The firm is headquartered in Boston, Massachusetts.