Dominick played his first ultimate competition in Spring 1998. His 3rd competition was World Ultimate Club Championships in summer 1999. Since then he has won multiple All-Ireland titles, competed at European and World Championships for Ireland and played extensively around Europe and north America. In 2011 Dominick established Dublin Youth Ultimate - a business dedicated to introducing young people to ultimate and flying disc games. The company has gone on to work with roughly 8,000 new participants every year through schools, youth groups and DYUnicorns.