Zhè wèi zhèngzhì qiángrén kòngzhì le zhěnggè júshì.
This political strongman controlled the entire situation.
Tips
usage
强人 has two contexts: in business/professional settings it refers to a highly capable person; in political contexts it means a strongman. 女强人 (nǚ qiángrén) specifically refers to a successful, capable woman.