In 2010, he was hired to be the running backs coach by his former colleague, Mike Shanahan, after Mike was selected to be the new Head Coach of the Washington Redskins. Before this, he held the same position in Denver from 1995–2009; he also worked for 20 years as a college assistant and has over 40 combined years of coaching experience at the professional, collegiate and high school levels. On February 3, 2015, Dan Quinn announced that Turner would be his Running Backs coach. 
Turner had previously worked as an assistant football and basketball coach at Kokomo, Indiana's Haworth High School from 1972–74. He moved to the college ranks in 1975, working for the Indiana State University football program in various roles until 1982. In 1983, he went to Fresno State University, where he was the team's running backs coach through 1988. Turner grew up in East Chicago, Indiana and graduated from Indiana State University.