Before revision: MPA graduates currently serve in some important positions within the public sector including the current Prime Minister of Singapore Lee Hsien Loong, the Nobel Peace Prize laureate and former President of Colombia Juan Manuel Santos, former UN Secretary-General Ban Ki-moon, three former presidents of Mexico (Felipe Calderón, Carlos Salinas de Gortari and Miguel de la Madrid), former Canadian Prime Minister Pierre Elliott Trudeau, former President of Bolivia Eduardo Rodríguez Veltzé, former President of Ecuador Jamil Mahuad Witt (MPA '89), former President of Costa Rica José María Figueres Olsen, former CIA Director David Petraeus, former president of Liberia Ellen Johnson Sirleaf, Foreign Minister of Serbia Vuk Jeremić, former New York City Police Commissioner Raymond Kelly, former Secretary of Health and Human Services Kathleen Sebelius, and former Treasurer of Australia Josh Frydenberg.
After revision: MPA graduates formerly serve in some important positions within the public sector including the current Prime Minister of Singapore Lee Hsien Loong, the Nobel Peace Prize laureate and former President of Colombia Juan Manuel Santos, former UN Secretary-General Ban Ki-moon, three former presidents of Mexico (Felipe Calderón, Carlos Salinas de Gortari and Miguel de la Madrid), former Canadian Prime Minister Pierre Elliott Trudeau, former President of Bolivia Eduardo Rodríguez Veltzé, former President of Ecuador Jamil Mahuad Witt (MPA '89), former President of Costa Rica José María Figueres Olsen, former CIA Director David Petraeus, former president of Liberia Ellen Johnson Sirleaf, Foreign Minister of Serbia Vuk Jeremić, former New York City Police Commissioner Raymond Kelly, former Secretary of Health and Human Services Kathleen Sebelius, and former Treasurer of Australia Josh Frydenberg.