Nemesio Isip Yabut attended the National University as a collegiate athlete in basketball and baseball. He then joined the Makati Police force as sergeant; and rose to become a lieutenant and eventually, the head of the the Detective Bureau. He left the police force in 1954, to (briefly) become a film actor (using the stage name Eduardo Llanes) and to start his own business, Guaranteed Commercial Delivery Services, Inc. (Guacods, Inc.), a brokerage firm. He served for many years as the mayor of Makati.