Mark Williams graduated from San Jose State University as a performance and composition major.  He was member of the San Jose Symphony for two years before moving to Fullerton, California to pursue a teaching career. Over the years he has performed with the San Francisco, Oakland, Berkeley, Anaheim, and Fullerton symphonies.  He also was regular performer at Disneyland for two years.  Still teaching, Mark Williams has written trumpet method books and compositions for Brass groups.

He is currently in the Diablo Symphony, the Pleasanton Municipal Band, the Vintage Brass Quintet, the Peninsula Brass Quintet and plays in small groups and solos as a free-lance musician.