Greg Zipadelli
| Greg Zipadelli | |
|---|---|
| Zipadelli at Sonoma Raceway in 2024 | |
| Born | Gregory C. Zipadelli April 21, 1967 Berlin, Connecticut, U.S. | 
| Occupation(s) | Crew chief, Competition Director and VP of Business Operations | 
| Years active | 1988–present | 
| Employer | Rette Jones Racing | 
| Known for | Crew chief of No. 20 Joe Gibbs Racing car in the NASCAR Cup Series (1999–2011) and Competition Director for Stewart-Haas Racing (2012–2024) | 
| Notable work | 2-time NASCAR Cup Series championship-winning crew chief | 
| Spouse | Nanette Zipadelli | 
| Children | 3 | 
| Website | www | 
Gregory C. Zipadelli, nicknamed "Zippy", (born April 21, 1967) is an American crew chief and team executive in NASCAR. Since 2025, he has worked for Rette Jones Racing as the team's Vice President of Business Operations. Zipadelli is most notable for being the crew chief of the No. 20 car for Joe Gibbs Racing drivers Tony Stewart and Joey Logano from 1999 to 2011. He won 34 races and two championships as a crew chief and the competition director at Stewart-Haas Racing from 2012 until the team's closure in 2024.