Education
University of Costa Rica.
University of Costa Rica.
As a student he obtained degrees in mathematics and economics from the University of Costa Rica. During Mario Echandi"s administration he was part of Costa Rica"s delegation in the United Nations. Trejos defeated Daniel Oduber in the election that secured him the presidency.
Trejos died on 10 February 2010.
During the Trejos presidency, the aggregated tax (IV) was introduced and the government debts were virtually erased.
Without any political experience he won the presidential election of 1966 as candidate of a "Unificación Nacional" coalition. Voters elected 26 congressmen from his party and the opposition won 29 seats.