Gianpaolo Dallara (born 16 November 1936) is an Italian businessman and motorsports engineer. He is the owner of Dallara Motorsports, a company that develops racing cars.

Dallara was born in Parma.

He graduated from Politecnico di Milano university, majoring in aeronautical engineering. He joined Ferrari in 1960, and next year moved to Maserati. In 1963 he was hired by Lamborghini as their chief designer, where he designed the Lamborghini Espada and Miura. In 1969 he started to design race cars for Frank Williams, founder and manager of the WilliamsF1 Formula One team.

In 1972, Dallara founded and established Dallara Automobili in Parma, Italy. Starting from 1974, Dallara and his company started designing a Formula One car for the Williams Team. Another project included designing a race car to Formula 3 standards. This resulted in victories in Italy, France, England, Switzerland, Germany, Japan, USA, Russia, and Austria.

In 1997 Dallara and his company expanded into IndyCar racing, with many victories from 1998 until 2003. Dallara later branched out into F1 projects in the mid-1990s, but by the end of 1998, Honda, coming to the new project as full constructor, called on Dallara to design the new F1 chassis for BAR-Honda. Later Honda cancelled this project.

Enrique Hector Scalabroni (born Alta Gracia, Córdoba, Argentina, October 1949) is an Argentinian race car designer, technical director, and team racing boss. He was employed by Dallara, Williams, Ferrari, Lotus and Peugeot Sport between 1985 and 2002, before setting up his own F 3000 and GP2 team in 2003, BCN Competicion, which lasted till the end of 2008.^{[citation needed]}

Scalabroni was born in Cordoba and studied mechanical engineering at the Buenos Aires Technological University before being recruited by the Formula Renault Fama team in 1975. He later worked for the Osvaldo Antelo Renault F2 and Miguel Herceg's Ford Turismo de Carretera official teams. In Argentina he designed and built his own small single seaters, Formula Renault, and national F2 single seater cars.

Scalabroni arrived in Europe in 1982 from Argentina at the age of 32. He evolved to became one of the principal designer at Williams, chief designer at Ferrari and Lotus, and the Technical Director with the Asiatech F1 engine manufacturing company.