Grouper was an invite-only service that matched two individuals according to data found – with the permission of the user – on the user's Facebook profile, including age, career, education, etc. Three years later, in October 2016, the company shut down. listed Grouper in its 10 NYC startups to watch for 2013. The company was run by a staff of 25 people. Michael Waxman founded the New York-based startup in 2011.
Groupers consisted of two groups of three friends and can consist of three males and three females, six males, six females, or any other possible combination. The excursions were planned in venues throughout 25 cities for six people.
Matches for the outings were gathered and analyzed first by a computer and then by a human to ensure strong matches. Grouper was an online, invite-only social club that uses data gathered from Facebook profiles to organize group outings (called Groupers).