Petersen studied medicine at the LaSalle University and the National Autonomous University of Mexico (UNAM). He served as Jalisco's state health secretary. In July 2006, he was elected municipal president of Guadalajara, representing the National Action Party (PAN), and assumed office on 31 December 2006.
Ernesto Espinosa Guarro
|Municipal President of Guadalajara, Jalisco
2006 - 2009
Jorge Aristóteles Sandoval Díaz