Donald X. Vaccarino (born 1969) is an American board and card game designer.
He published the card game Dominion in 2008, which won the Spiel des Jahres award along with many others, and has had 16 expansions.
[note 1][1] Dominion and its expansions have sold more than 2.5 million copies worldwide, as of 2017[update].
[4] Dominion has been studied academically as a test-bed for how evolving game rules can create balanced play.
[5] Vaccarino got his first full-time job as a programmer at age 16, before becoming self-employed as a game designer around 1994.