Chad Anthony Knaus (; 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. Early life Born in Rockford, Illinois on August 5, 1971. He has 2 half sisters and a half brother. He graduated from Jefferson High School in 1989. Knaus grew up around the racetracks of the Midwest helping his father, John, race against the likes of Mark Martin, Alan Kulwicki, Rusty Wallace, and Dick Trickle. By the time he was 14, Knaus served as crew chief during his father's Rockford Speedway championship season. The father-son combination also won the Great Northern Series championship and finished second in the NASCAR Winston Racing Series. A few years and seven track championships later, Knaus moved to North Carolina in 1991 to pursue a job in national stock car racing. Racing career After working with Stanley Smith's stock car team, Knaus joined the No. 24 Hendrick Motorsports team led by crew chief Ray Evernham and raced by driver Jeff Gordon. From 1993 to 1997, Knaus advanced from being a general fabricator to managing the entire chassis and body construction program for the No. 24 team. Serving as a rear tire changer on the original Rainbow Warriors pit crew, Knaus was a part of the 1995 and 1997 championship teams. Following the 1997 season, Knaus joined Dale Earnhardt, Inc. as car chief, where he worked with the No. 1 team driven by Steve Park and Darrell Waltrip in the 1998 season. After Park returned to the team from his injuries, Knaus and Waltrip moved to Tyler Jet Motorsports. In 1999, Knaus moved to Melling Racing after Evernham, who had just left Hendrick Motorsports, invited him to lead the Dodge development team. During two Dodge test sessions, Knaus worked with driver Stacy Compton. The two worked well together, resulting in Knaus' promotion to crew chief for Compton in October 2000. Crew chief In 2001, Compton and