His collegiate career began in 1938 when he became athletic director at Brevard College, serving there until 1940. While at Brevard, Christenbury also served as head football coach in 1938 and 1939.
Christenbury's academic career started in 1938 when he became the athletic director at Brevard College, a position he occupied until 1940. Furthermore, Christenbury also served as the head football coach for two consecutive years, 1938 and 1939.