Grosjean responds to Steiner leaving Haas F1: 'Don't know what happened'
Romain Grosjean worked with Guenther Steiner for five years, from 2016 to 2020. At Haas F1, the two were both there from the very beginning. The French driver left after 2020, and Steiner left three years later. Grosjean does not know why the team boss had to leave.
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