Question: Before winning his first NBA championship with the warriors, who joined the All-Championship team after the 2003 Atlantic 10 Men's Basketball Tournament?

<P0-S0> The 1994 Atlantic 10 Men's Basketball Tournament was played from March 5 to March 7, 1994, and March 11, 1994. <P0-S1>  The first three rounds were played at the Palestra in Philadelphia, Pennsylvania, while the final was played at the Mullins Center in Amherst, Massachusetts. <P0-S2>  The winner was named champion of the Atlantic 10 Conference and received an automatic bid to the 1994 NCAA Men's Division I Basketball Tournament. <P0-S3>  The University of Massachusetts won the tournament for the third year in a row. <P0-S4>  George Washington and Temple also received bids to the NCAA Tournament. <P0-S5>  Mike Williams of Massachusetts was named the tournament's Most Outstanding Player. <P0-S6>  Future NBA players Derrick Alston (Duquesne), Eddie Jones (Temple), Aaron McKie (Temple), and Lou Roe (Massachusetts) joined Williams on the All-Championship Team. <SEP> <P1-S0> The 1992 Atlantic 10 Men's Basketball Tournament was played from March 7 to March 9, 1992, and March 7, 1992. <P1-S1>  The first round game was played at McGonigle Hall in Philadelphia, Pennsylvania. <P1-S2>  The second round and semifinal games were played at the Palestra in Philadelphia, while the championship game was played at Curry Hicks Cage in Amherst, Massachusetts. <P1-S3>  The winner was named champion of the Atlantic 10 Conference and received an automatic bid to the 1992 NCAA Men's Division I Basketball Tournament. <P1-S4>  The University of Massachusetts won the tournament. <P1-S5>  Temple also received a bid to the NCAA Tournament. <P1-S6>  Harper Williams of Massachusetts was named the tournament's Most Outstanding Player, while teammate and future NBA player Lou Roe was among those also named to the All-Championship Team. <P1-S7>  The top seven teams in the conference received first-round byes. <SEP> <P2-S0>  The winner was named champion of the Atlantic 10 Conference and received an automatic bid to the 2003 NCAA Men's Division I Basketball Tournament. <P2-S1>  The University of Dayton won the tournament and got the conference's automatic bid to the NCAA Tournament. <P2-S2>  Xavier and Saint Joseph's also received bids to the NCAA Tournament. <P2-S3>  Rhode Island, Richmond and Temple received bids to the 2003 National Invitation Tournament. <P2-S4> The 2003 Atlantic 10 Men's Basketball Tournament was played from March 10 to March 15, 2003. <P2-S5>  Ramod Marshall of Dayton was named the tournament's Most Outstanding Player. <P2-S6>  Future NBA players Jameer Nelson of Saint Joseph's and David West of Xavier were among those joining Marshall on the All-Championship Team. <SEP> <P3-S0> David Moorer West (born August 29, 1980) is an American professional basketball player for the Golden State Warriors of the National Basketball Association (NBA). <P3-S1>  He played college basketball for Xavier University where in 2003, he became the first Musketeer to ever win the AP Player of the Year. <P3-S2>  West is a two-time NBA All-Star, being named to the West team in 2008 and 2009. <P3-S3>  In 2017, West won his first NBA Championship as a member of the Warriors.