Deen is an IM and chess columnist for the Ottawa Citizen and Kitchener Record newspapers (1, 2). He was born in Kitchener, Ontario, later studied computational sciences, and represented Canada as high as 2nd board on 7 Olympiads between 1984-94 and 1998, including once as captain. He accumulated 36.5 points in 63 team games at the Olympiads (3). He finished with 4.5/7 out of nine total games played on Canada's 2nd board at the World team (50+) Championship (7) at Dresden in June, 2016.
He tied 1st-2nd in the 1982 Canadian Junior Championship. He won the Ottawa RA club championship in 1997 and 1999, tied 1st-3rd in 1988 and tied 1st-2nd for the championship in 1989 (4).
Hergott's name had also been listed on some of the leaderboards of the SCRABBLE and bridge leagues (5, 6).
References: (1) Kitchener Record (1983-90), (2) Ottawa Citizen (1992-2009), (3) http://www.olimpbase.org/, (4) http://www.chess.ca/, (5) http://www.acbl.org/, (6) http://www.hasbro.com/scrabble/en_U..., (7) http://www.schachfestival.de/world-... , (8) Wikipedia article: Deen Hergott