Coach Walker served as a volunteer assistant during the 2010-11 campaign. 

He becomes a full-time member of the staff of seventh-year head Coach Amie Bradley, who has led the Tigers since 2005. 

Coach Walker was head coach of the St. Mary's Hall (San Antonio) girls varsity team from 2005-2010. He guided the program from two wins during his first season, to 18 and 19 victories, respectively, over his last two years. 

Prior to his tenure at St. Mary's Hall, Coach Walker was an assistant at San Antonio's Taft High School, in 2004. The team was ranked No. 1 in Texas, and advanced to the Class 5A state semifinals.

Coach Walker founded Infinity Hoops (formerly Triple Dub Hoops), a one-on-one basketball training business. He has trained athletes ranging from elementary through college.

He is a member of the Women's Basketball Coaches Association (WBCA), the Texas Association of Basketball Coaches (TABC), the Black Coaches Association (BCA), and the Texas Girls Coaches Association (TGCA)

The Tigers completed last season with a 14-13 record, and advanced to the Southern Collegiate Athletic Conference semifinals. Trinity opens the season Nov. 18-19 at the Redlands (Calif.) Tip-Off Classic.