After a four-year stint, Keller joined the staff at Tyler Junior College before taking a position as an assistant at UTSA for one season.

Keller joined the staff of head coach Eddie Sutton at Oklahoma State in 1999, where he would remain until 2008.

[1] Following the resignation of then-head coach Sean Sutton in 2008, Keller relocated to Kansas where he served as an assistant to Bill Self.

In 2016, Keller accepted the head coaching position at Stephen F. Austin following the departure of Brad Underwood to Oklahoma State.

He replaced Brad Underwood who left after 3 seasons to become the head coach at Oklahoma State.

SFA athletic director Robert Hill said in a statement, "Kyle brings a wealth of experience having worked for great coaches like Eddie Sutton, Bill Self and Billy Kennedy.

This experience will fit well to continue our SFA basketball culture of winning championships and making NCAA tournament appearances.

Conference tournament champion A native of Dallas, Texas, Keller attended Oklahoma State University where he played baseball.