strategist
🇺🇸
/ˈstrætədʒɪst/
🇬🇧
/ˈstrætədʒɪst/
someone who is very good at planning and making decisions, especially in business or politics.
The company's success was largely due to their head strategist.
該公司的成功在很大程度上歸功於他們的首席戰略師。