Candidates include incumbent Daniel Ortega of the Sandinista National Liberation Front and challengers including farm worker leader Medardo Mairena, journalist Miguel Mora, political scientist Félix Maradiaga, economist Juan Sebastián Chamorro, journalist Cristiana Chamorro Barrios, YATAMA activist George Henriquez, Ortega's former Ambassador to the United States Arturo Cruz Jr. and former rebel leader Luis Fley.[7]