Boris Rotenberg
Williams chose Sirotkin on ability, insists SMP boss
The co-founder of SMP Racing has insisted that Sergey Sirotkin won his 2018 seat at Williams based on...
Sirotkin a pay-driver? A pure lie, says backer Rotenberg
Russian billionaire Boris Rotenberg once again denied that protégé Sergey Sirotkin was chosen by Williams for the amount...
SMP Racing aims for Sirotkin-Kvyat line-up at Le Mans
SMP Racing founder Boris Rotenberg wants to see Daniil Kvyat join his SMP LMP2 squad at Le Mans...