
An engineer became an operator, an operator became a marketer, and 2,000 check-ins kept the whole career honest. Inside Leandro Caldeira’s long route from BCG decks to Wellhub’s global brand.

He left Harvard with a gym-pass idea. Fourteen years, several pivots and one abandoned brand later, Cesar Carvalho has built his career around a rarer discipline: loyalty to the problem, not the first answer.