Former F1 racer Derek Warwick will be the drivers' representative on the stewards' panel in the Spanish Grand Prix this weekend.
The 55-year-old, who raced in Formula 1 from 1981 to 1993, will join Nicolas Deschaux, Garry Connelly and Joaquin Verdegay on the panel for this weekend's race in Barcelona, which hosts the fifth round of the championship.
Alex Wurz, Alain Prost, Tom Kristensen and Johnny Herbert had been the drivers' representatives in the first four races of the season.