at the helm of
US /æt ðə hɛlm əv/
UK /æt ðə hɛlm əv/

1.
掌管, 領導
in charge of an organization or activity
:
•
She has been at the helm of the company for five years.
她已經掌管公司五年了。
•
The new CEO is now at the helm of the struggling startup.
新任首席執行官現在掌管著這家苦苦掙扎的初創公司。