He represented the United States at the 2000 Summer Olympics, where he won a gold and silver medal.

[1] On January 23, 2002 in Stockholm, Sweden, Moses set a world record in the short course 100-meter breaststroke (57.47).

He is a class of ‘99 graduate of Lake Braddock Secondary School in Burke, Virginia which has several other notable athletic alumni including: Mia Hamm, Allen Johnson, and Hubert Davis.

[3] Moses swam for the University of Virginia and won in the 100-meter and 200-meter breaststroke events at the 2000 NCAA Division I Championships, setting world records for both events (in 2000 the NCAAs were swum short course meters, allowing for world records).

At the 2000 Olympics he won two medals: silver in the 100-meter breaststroke and gold as a member of the USA's world record-setting 4 × 100 medley relay.