Business strategyCorporate purposeCustomer loyaltyGolden CircleInspirational leadershipOrganizational culturePurpose-driven leadershipSimon SinekStart With WhyTED TalkVision์ฌ์ด๋จผ ์๋ฅ 11 Dec 2025 Simon Sinek - People don't buy what you do; they buy why you do it. "People don't buy what you do; they buy why you do it." - Simon Sinek. "์ฌ๋๋ค์ ๋น์ ์ด…