Five owners earned their undergraduate degrees there, including embattled Los Angeles Dodgers owner Frank McCourt and Washington's Ted Leonsis, who owns the Wizards and Capitals.

WSJ: Which Schools Produce the Most Pro-Team Owners?

Groupon's executive chairman Eric Lefkofsky and vice chairman Ted Leonsis are stepping in as temporary joint chief executives until a replacement for Mr Mason can be found.

BBC: Groupon shares rebound after founder is sacked

Director Eric Lefkofsky, another founder, and Director Ted Leonsis, it was announced, were going to run the company as the Board BEGAN a search for a successor.

FORBES: Don't Cry For Groupon's Andrew Mason