Preston is from Pleasant Grove, Utah. Hadley was a former standout defensive back for the BYU Cougars before graduating with a degree in communications in 2013. He began his coaching career as cornerbacks coach and special teams assistant at Santa Ana College in 2015. After receiving his master's at Concordia-Irvine, he returned to the Wasatch Front as secondary coach and recruiting coordinator at Weber State in 2016-17 before joining defensive staff at BYU in 2018. Now at Northern Colorado this will be Hadley's first full-time coordinator position. Preston previously served an LDS mission to the New York South Mission from 2007-09.