Garry Ridge’s Humility Drove His Leadership As WD-40 CEO

After Garry Ridge became chief executive of WD-40 in 1997, he took a personality test called the DISC profile. The results proved eye-opening. He learned that he was prone to assert his dominance (the “D” in DISC) with a direct, decisive, forceful style. He realized this would undermine his leadership. “I was a turbo D,” said Ridge with a laugh.…