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. Since then the company has worked with over 40,000 new people through schools, youth groups and DYUnicorns.