in the driver's seat

US /ɪn ðə ˈdraɪ.vɚz ˌsiːt/
UK /ɪn ðə ˈdraɪ.vɚz ˌsiːt/
"in the driver's seat" picture
1.

主導権を握る, 支配する

in control of a situation

:
After the merger, our company is finally in the driver's seat.
合併後、当社はついに主導権を握った
She likes to be in the driver's seat when it comes to planning events.
彼女はイベントの計画に関しては主導権を握るのが好きだ。