Education
He completed human rights studies at the René Cassin Institute (France). He also studied economics and political science in Bonn, Hamburg and Koln Universities, Germany.
He completed human rights studies at the René Cassin Institute (France). He also studied economics and political science in Bonn, Hamburg and Koln Universities, Germany.
He also obtained a Honoris Causae Doctorate from the Universidad Central del Este (Dominican Republic). He is attorney at law and notary public from the University of Costa Rica. His family is partly German and he holds both nationalities.
Quesada is Costa Rica"s current ambassador to Germany, Hungary and the Czechoslovakian Republic (since 2002).
He was also previously the Costa Rican ambassador to the United Nations Organization (1998–2002), and Minister of Foreign Affairs for the Government of Costa Rica (1980–1982 and 1990–1994). In 1994 he was a candidate for the general secretariat of the Organization of American States.
He speaks Spanish, German, French and English.
He has been a professor of public international law at the University of Costa Rica, a member of the Costa Rican Bar Association since 1974, and a member of the International Law Commission since 2002.