The Japanese engine manufacturers have made the switch on the back of their disappointing three-season partnership with McLaren which ended in divorce on completion of the 2017 campaign.
Despite Honda’s failure to supply McLaren with an engine capable of fighting it out for the title, they successfully negotiated a new deal with the Red Bull-owned Toro Rosso outfit going into next year.
And, in an effort to make a success of the new partnership, Hasegawa’s departure has resulted in Toyoharu Tanabe becoming technical director to oversee operations at the race track, while a new operating officer will be employed to head up engine development in Japan.
Katsuhide Moriyama, the Honda Motor Company’s chief officer for brand and communication operations said: “In the past, the Head of F1 Project assumed responsibility in both technological development and directing the team at the spot of racing.
“By separating these areas of responsibility, we will evolve our structure so that both the development team and racing/testing team can assume their respective responsibilities more speedily.
“By ensuring both the development team and racing team soundly fulfil their respective roles, Honda will continue its challenges so that fans can enjoy seeing Toro Rosso-Honda competing at the top level without further delay. Thank you for your continuous support.”
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