He previously served as an assistant coach for the Arizona Cardinals, Denver Broncos, Oakland Raiders, Detroit Lions and Tennessee Titans.
During his four seasons as a cornerback at Iowa State, Robertson totaled 257 tackles, six interceptions and nine forced fumbles.
Robertson and his staff won the Winston and Shell Award in 2006 for their innovation and commitment to player development in the NFL.
Robertson helped the team rank second in the NFL in average passing yards per completion (10.6) during that span.
[7] On February 11, 2025, the Las Vegas Raiders hired Robertson to serve as their defensive backs coach.