Didier Theys established himself as a successful driver in Europe and on the IndyCar circuit before moving to IMSA World SportsCar racing. His skillful driving and competitive spirit have made him one of the most accomplished drivers in the world.
Theys won the Belgian karting championship in 1977, and "Rookie of the Year " in 1978 after his success in Formula Fords. With 14 wins in two seasons in the Belgian and European Formula Ford Championships, Theys then moved to the European Formula 3 Championship series in 1981. Over the next two years, Theys collected 12 top-three finishes in the European Formula 3 Championship, and ran the Le Mans 24 Hours twice. Theys continued to successfully compete in the European Formula 2 and Formula 3 Championships, the Le Mans 24 Hours, the Imola 2000 kilometers, and the Spa 2000 kilometers, and won the Bosch/Volkswagen Super Vee Championship in 1986.
In 1987, Theys won the Spa 24 Hour World Touring Car Championship in a factory BMW, and began his IndyCar career in the United States. Over the next several years, Theys ran 43 IndyCar races and continued racing in Europe at Le Mans and Spa, with best finishes of third in IndyCar, eleventh at the Indianapolis 500, and fifth at Le Mans. Theys moved to IMSA racing with a Ferrari GT car in 1994, and then to the MOMO Ferrari Team in 1995 with the Ferrari 333 SP World SportsCar. In 1995, Theys also drove five races with Fredy Lienhard in the Lista Ferrari 333 SP.

Jackson grew up in New England and began racing in SCCA and club events in 1965. He has raced Jaguars, Porsches, Ferraris, Formula Fords with Russell Racing and with the Skip Barber Series, and Formula Mazdas in the USAC/Russell Racing series.
In 1994, Jackson ran the inaugural season of the US Ferrari Challenge Series. His acquaintance with Nicole Miller, the clothing designer, resulted in the creation of the so-called "Nicole Miller Ferrari". Driving this car, he gathered extensive international media coverage throughout the racing season, finishing fourth in the series in 1994. In the same Ferrari, Jackson also competed in the IMSA Bridgestone Supercar Series.
In 1995, Jackson moved to IMSA's Exxon Supreme Series. In the Rolex 24 Hours of Daytona, Jackson finished 9th in class and 20th overall in a GTS-2 Porsche; at the 12 Hours of Sebring, Jackson finished 14th. Jackson completed the 1995 IMSA season with a Ferrari 348 Competizione LM, finishing fifth at Mosport, and then eighth at Texas, Phoenix, and New Orleans. With four IMSA Exxon Supreme Series points races in 1995, Jackson finished 13th in class for driver's points and earned Ferrari 5th in class for manufacturers points. Ferrari invited Jackson to the Ferrari World Challenge finals at Mugello, Italy in October, 1995. Driving the Nicole Miller car, he finished 2nd in class in the World Challenge at Mugello, and third overall at Fiorano for the Fiora no Trophy. In his first three races in the Ferrari 333SP, Jackson finished fourth at Road Atlanta, fourth at Texas World Speedway, and fifth at Watkins Glen.

Lienhard is the Owner and CEO of Lista International, the world leader in the manufacture of industrial storage and office furniture solutions. Lienhard is a former Swiss Champion in the March Sportscar, and finished third in 1993 and in 1994 in the European Interserie Championship driving a Horag Can-Am car. Over the years, Lienhard has also won many races driving F2 BMW's, F-3000's, and Osella Sports Cars. He founded the Lista Racing Team in 1968 with Markus Hotz of Horag, and raced Formula V Porsches and F2's in the seventies and eighties. Lienhard and co-driver Didier Theys campaigned Lienhard's Ferrari 333 SP , the "HORAG-LISTA" car in the IMSA/Exxon World SportsCar Series in 1995.