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

1.
dalam kendali, memegang kendali
in control of a situation
:
•
After the merger, our company is finally in the driver's seat.
Setelah merger, perusahaan kami akhirnya dalam kendali.
•
She likes to be in the driver's seat when it comes to planning events.
Dia suka mengendalikan saat merencanakan acara.