Tomas was selected by the Edmonton Oilers in round 5 (No.104 overall) of the 1985 NHL Entry Draft and also had the opportunity to play at three Junior World Championships from 1985 to 1987.
During his professional career, which spans more than 20 years, Tomas represented the Czech Republic in the 1994 Olympics in Lillehammer, Norway, and the World Championship in Germany in 1993. That same year he also won the scoring title in the Elite Finnish League while also participating in three championship teams in the Czech Republic Extra League.
For the last ten years, Tomas has coached youth hockey for the Junior Kings organization and is also coaching currently for the Junior Reign and St. John Bosco HS. After Tomas earned his BA and teaching credentials in social science at CSULA, he took the position of teacher of Record at Excel Academy Charter School.