Derek Ellingson '98 was a dual-sport athlete, competing in both water polo and swimming before later becoming head coach of the water polo program. In 1996, the Knights won the CWPA Northern Division before a second-place finish at the Eastern Championship. The following year, Queens finished first at the ECAC, Northern and Eastern Championships to advance to the NCAA Championships. At the NCAA Championships, the Knights defeated UC Davis in the consolation game and became the first school from the East Coast to place as high as third in the national tournament. As a coach, Ellingson was the women's New York Division Coach of the Year his first season and was named Northeast Coach of the Year in 2001 and Eastern Coach of the Year in 2006. Ellingson currently serves as assistant coach for the Princeton University men's water polo team. At Princeton, he helped the Tiger men to the 2004, 2009, 2011 and 2015 NCAA tournaments. Also assisting with the women's side, he helped lead the Tigers to nationals in 2012, 2013, and 2015.