Career
He lives in West Hartford, Connecticut (2014). Doub and Frank Merblum have two firsts and two seconds in the annual grass-roots North American Pairs championship (Flight A), spanning from 2001 to 2014. (Beginning 1991 the biennial world teams championships fields include two United States teams called "USA1" and "USA2") 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.
Wins Runners-up North American Bridge Championships Fast Open Pairs (2) 2004, 2006 Nail Life Master Open Pairs (1) 2011 North American Pairs (2) 2003, 2014 Grand National Teams (1) 2008 Mitchell Board-a-Match Teams (1) 2009.
