Douglas D. Doub[1] (born May 28, 1955)[2] is an American bridge player.
[3] Doub and Frank Merblum have two firsts and two seconds in the annual grass-roots North American Pairs championship (Flight A),[3] spanning from 2001 to 2014.
[4] Doub won a World Bridge Federation (WBF) bronze medal in the 2003 Bermuda Bowl playing with Adam Wildavsky on a team that was the surprise winner in the United States Bridge Championships - Open Teams earlier that year.
From the 22-team round-robin they advanced to the 8-team knockout by a one-point margin, beat Poland and lost to USA1 in two-day quarterfinal and semifinal matches, and beat Norway in the bronze medal playoff.
[5] As one of three pairs on the 2009 open team led by Steve Robinson, Doub–Wildavsky won the U.S. open teams championship and participated in the Bermuda Bowl as USA1.