As well as contributing to the roles for the new 2022 ground-effect era, he was also involved in the creation of the all-new cars that are coming for 2026.
But with the chassis part of those future rules now all but signed off, and due to be published at the start of next month, it is understood that Symonds decided a while ago to call time at the F1 organisation.
Although there has been no official announcement, it is understood that F1 staff were informed of the development on Monday. Symonds has gone on gardening leave with immediate effect.
Holy crap!