Tomas Mendez-Beck joined the Pacific Lutheran coaching staff prior to the 2014-15 season. He graduated from Seattle University in 2014 with a Bachelor of Science in Sport and Exercise Science. He swam all four years at Seattle and holds school records in the 200 butterfly and 800 freestyle relay.
Prior to his intercollegiate career, Mendez-Beck spent 10 years with the Hillsboro Swim Team, where he swam for James Resare. He also coaches with KING Aquatic Club.