The 2018 season is Nathaniel Willingham's second as a defensive assistant and fourth overall with the program.
Willingham was a recruiting assistant for the Cardinal during the 2015 season, and a volunteer defensive assistant in 2016.
He came to Stanford after serving as the tight ends coach at Menlo College in 2014.
Prior to those stints, Willingham coached at Skyline High School (Wash.) for five seasons. He held various positions, including two years as the junior varsity offensive and defensive line coach, one season as the varsity assistant linebackers coach and two more leading the varsity defensive line. In that time, Skyline won four state championships with a combined record of 65-7.