[ntulip]

okcupid.com was for a long time.

[citricsquid]

    OkCupid’s founders (Chris Coyne, Christian Rudder, 
    Sam Yagan and Max Krohn)

From wikipedia, seems it was never just one person.

http://en.wikipedia.org/wiki/OkCupid

[seanlinehan]

You are mistaken, but it's a fair mistake. You were probably thinking of Plenty of Fish which was run by one guy for a long time.

[minikites]

I thought that was founded by several people?

https://en.wikipedia.org/wiki/Okcupid

Created by Chris Coyne, Sam Yagan, Christian Rudder and Max Krohn