Pat Symonds has been brought on to help with the writing of Formula 1's future set of rules which will be introduced in 2021.
The former Williams tech boss joins a panel put together by Ross Brawn which will have the responsibility of shaping the sport's future.
"The group is currently four people but it will increase to 12," Symonds told Bild newspaper.
"We meet regularly in London and will try to use our experience for the next set of regulations.
"It's a very interesting task, and it's great to work with Ross again."
In addition to defining Formula 1's future engine platform, Brawn is also looking to reform the controversial system of grid penalties for technical problems, and ultimately to change the car design so that DRS is not necessary.