Alpine squad main Oliver Oakes has near nan squad little than a twelvemonth aft being appointed to nan role.
A connection by Alpine connected Tuesday said Oakes had resigned and that nan squad had "accepted his resignation pinch contiguous effect".
The squad said Flavio Briatore would proceed successful his domiciled arsenic executive advisor and would now besides screen nan duties Oakes had performed.
No mentation was fixed for Oakes' departure. The squad said nary further remark would beryllium made and Oakes declined to remark erstwhile contacted.
A root told BBC Sport that it was Oakes' determination to leave. Others said that it came arsenic a astonishment wrong nan team.
Oakes, who moved to Alpine from his Hitech squad that competes successful nan inferior categories, was wide considered wrong F1 to person small powerfulness astatine nan team, pinch erstwhile Renault squad leader Briatore nan existent controlling force.
Briatore's arguable return to F1 arsenic a squad leader 15 years aft he was recovered blameworthy of fixing nan 2008 Singapore Grand Prix arsenic Renault squad leader was orchestrated by Renault Group main executive serviceman Luca de Meo successful July past year.
Oakes' departure comes conscionable a time aft it emerged that Alpine were poised to driblet Australian Jack Doohan aft conscionable six races this play and switch him pinch Argentine erstwhile Williams driver Franco Colapinto.
Oakes was appointed successful July past twelvemonth aft Alpine, who are owned by Renault, removed their erstwhile squad main Bruno Famin and placed him elsewhere successful nan company.
And it continues a turbulent fewer years astatine nan squad that person seen a continuous flux successful elder guidance amid a tally of disappointing results for Renault's mill team.
Renault besides decided past twelvemonth to end their F1 motor programme, which had been progressive since 1977 pinch only a mates of little breaks. Alpine will usage Mercedes engines adjacent season.
Famin besides lasted little than a twelvemonth successful his domiciled arsenic squad leader aft replacing Otmar Szafnauer successful July 2023. The American lasted conscionable 17 months.
Shortly earlier Szafnauer's departure, Alpine main executive serviceman Laurent Rossi was besides dismissed. He had been pinch nan institution for conscionable 2 and a half years.
Alpine vanished sixth successful nan constructors' title past year.