He played college basketball for George Washington Revolutionaries and Southern Nazarene Crimson Storm.
As a senior, he averaged 23.0 points and 10.0 rebounds per game, helping the Bombers post a 27–1 record in 2006–07.
In his senior season, he earned All-Sooner Athletic Conference first team and NAIA All-American honors.
[7] On October 4, 2015, Alexander signed with the Singapore Slingers of the ASEAN Basketball League.
[10] On October 25, 2022, Alexander re-signed with the Singapore Slingers of the ASEAN Basketball League.