Business strategyCorporate purposeCustomer loyaltyGolden CircleInspirational leadershipOrganizational culturePurpose-driven leadershipSimon SinekStart With WhyTED TalkVision사이먼 시넥 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. "사람들은 당신이…