In 2006, Joe Lacob, joined the Celtics ownership group. On Thursday, Lacob and his business partner Peter Guber completed their purchase of the Golden State Warriors for a reported $450 million. The league announced the completion of the sale this afternoon.

Lacob did a Q+A with the San Francisco Chronicle and talked about his Celtics experiences, including wearing a Beat LA t-shirt to Staples Center during the 2008 finals. Marcus Thompson II has more details on the sale and what it means for the Warriors.