Notary Public. Author: Contributor, Article on Costa Rica, "Pinner's World Unfair Competition Law, Encyclopedia," Sijthoff & Noordhoff, Holland, 1978. Head of the International Organizations Department, Ministry of Foreign Relations of Costa Rica, 1966-1968. Delegate, National Atomic Energy Commission, Costa Rica, 1967-1968. Member, Panel of Arbitrators and Mediators, International Centre for Settlement of Investment Disputes (ICSID) of the World Bank, 2004.