Biography: Chad Anthony Knaus (/kəˈnaʊs/; born August 5, 1971) is an American former NASCAR crew chief. He is currently employed at Hendrick Motorsports as the Vice President of Competition. Knaus has 81 victories as Jimmie Johnson's crew chief and is the only NASCAR crew chief to win five consecutive championships. He has worked in NASCAR since 1991. Over this time, he has worked for four teams: Dale Earnhardt Incorporated, Melling Racing, Tyler Jet Motorsports and Hendrick Motorsports. He has been a crew chief in NASCAR for 19 years and is considered to be one of the greatest NASCAR crew chiefs of all time. He was inducted into the NASCAR Hall of Fame on January 19, 2024.