Sébastien Olivier Bourdais is a French professional racing driver who currently races in the IMSA WeatherTech SportsCar Championship for Cadillac Chip Ganassi Racing in the GTP category. He is one of the most successful drivers in the history of American open-wheel car racing, having won 37 races. He won four successive championships under Champ Car World Series sanction from 2004 to 2007. Later he competed at the IndyCar Series from 2011 to 2021. He also entered 27 races in Formula One for the Toro Rosso team during 2008 and the start of 2009.
James "Jimmy" Vasser Jr. is an American former racing driver who competed primarily in the CART series and Champ Car. Vasser won ten CART series races and won the 1996 CART championship with Chip Ganassi Racing. Vasser was the last American to win the CART title. Vasser won the 1996 U.S. 500, and had a best finish of 4th at the Indianapolis 500 twice.
Neel Jani is a Swiss professional racing driver.
Michel Jourdain Lascurain, better known as Michel Jourdain Jr., is a Mexican racecar driver, best known for winning two Champ Car races in 2003. He is the 2020 Super Copa GTM Champion.
Katherine Anne Legge is a British professional auto racing driver who competes part-time in the IMSA SportsCar Championship and part-time in the IndyCar Series, driving the No. 51 Honda for Dale Coyne Racing with backing from e.l.f. She holds the record for the fastest qualifying effort for a woman in Indianapolis 500 history, set in 2023, and was the first woman to win a major open-wheel race in North America.
Robert Michael Doornbos is a Dutch former racing driver who also competed with a Monégasque licence. He has been test and third driver for the Jordan and Red Bull Racing Formula One teams, as well as driving for Minardi and Red Bull Racing in 2005 and 2006. Doornbos then drove for Minardi Team USA in the 2007 and final season of the Champ Car World Series. He competed in the Superleague Formula racing series in 2008, and drove for the Netherlands team in A1 Grand Prix's 2008–2009 season. In 2009, Doornbos competed in the IndyCar Series. He began the season with Newman/Haas/Lanigan Racing, but switched to HVM Racing after the race in Kentucky Speedway.
Bryan John Herta is an American race strategist and former race car driver. He currently runs his own team, Bryan Herta Autosport in the NTT IndyCar Series and is the strategist for the #27 Andretti Autosport in the same series. His team won the 2011 Indianapolis 500 with driver Dan Wheldon and the 2016 Indianapolis 500 with driver Alexander Rossi. He is the father and former strategist of IndyCar driver Colton Herta.
Mario Domínguez is a Mexican racing driver. He has competed in the CART and CCWS Champ Car series and later the IndyCar Series.
Oriol Servià Imbers is a Spanish racing driver who competes part-time in the IndyCar Series. He raced for Dragon Racing in the 2014–15 Formula E season, and left the series prior to the 2015 Miami ePrix to become managing director for the technical and commercial partnerships of Dragon Racing. Servià holds a degree in mechanical engineering from the Polytechnic University of Catalonia. Since 2018 he also serves as pace car driver at IndyCar races outside the Indianapolis 500.
Nelson Philippe is a French race car driver.
Ryan Christopher Hunter-Reay is a professional American racing driver best known as a winner of both the Indianapolis 500 (2014) and the IndyCar Series championship in 2012. He currently competes part-time in the IndyCar Series for Dreyer & Reinbold Racing. In each accomplishment, Hunter-Reay became the first American to win since Sam Hornish Jr. in 2006. Hunter-Reay also won in the defunct Champ Car World Series twice and the Toyota Grand Prix of Long Beach. In addition to his experience in Indy car racing, Hunter-Reay has competed in the Race of Champions, A1 Grand Prix, and various forms of sports car racing.
William Steven Power is an Australian racing driver who competes in the IndyCar Series, driving the No. 12 Dallara-Chevrolet for Team Penske. He won the 2018 Indianapolis 500 and has won the IndyCar Championship twice, in 2014 and 2022. Power is one of the most successful drivers in Indy car racing history, currently tied for fourth all-time in wins (42), first all-time in poles (70), and fourth all-time in podiums (102).
Marco Michael Andretti is an American auto racing driver. He competes part-time in the NASCAR Craftsman Truck Series, driving the No. 04 Chevrolet Silverado for Roper Racing and part-time in the ARCA Menards Series, driving the No. 17 Chevrolet SS for Cook Racing Technologies.
Tony Lee Bettenhausen Jr. was a Champ Car team owner and driver who died in a 2000 plane crash. He was the son of former 14-time Indianapolis 500 competitor Tony Bettenhausen and the brother of 21-time Indy 500 racer Gary Bettenhausen. Another brother, Merle Bettenhausen, was critically injured in his only Indy Car start.
Keith Wiggins is a motor racing team owner born in Great Britain and one of only three people ever to have owned a Formula One team, an IndyCar and a ChampCar team.
HVM Racing was an auto racing team owned by Keith Wiggins that competed in the IndyCar Series. It competed in the Champ Car World Series in 2007 as Minardi Team USA when it was co-owned by Paul Stoddart. It has a long history of changes of ownership, including a previous incarnation as CTE-HVM Racing, co-owned by actor/comedian Cedric the Entertainer.
Michael Robert Conway is a British professional racing driver. He lives in Sevenoaks, Kent and is currently competing in the FIA World Endurance Championship with Toyota Gazoo Racing.
Graham Robert Rahal is an American race car driver and small business owner. He currently races in the IndyCar Series with Rahal Letterman Lanigan Racing, a team partially owned by his father Bobby Rahal, the winner of the 1986 Indianapolis 500.
Hideki Mutoh is a Japanese race car driver from Tokyo who last raced in the 2022 Super GT Season for Autobacs Racing Team Aguri.
Simona de Silvestro is a Swiss-Italian racing driver, who is currently employed by Porsche as a factory driver. She has previously driven for Amlin Andretti in the 2015/16 season of the FIA Formula E Championship as well as several years competing in the IndyCar Series. Her nicknames are the "Iron Maiden" and "Swiss Miss".
British 