Walter Martos

Following the congressional denial of confidence against Pedro Cateriano's cabinet, President Martín Vizcarra appointed Martos as Prime Minister of Peru on 6 August 2020.

Into three months in office, Martos resigned alongside his cabinet following the impeachment and removal of President Vizcarra, on 9 November 2020.

On October 3, 2019, as a retired general, Martos was sworn in as Minister of Defense, as part of the cabinet led by Vicente Zeballos, of the Martín Vizcarra administration. He succeeded retired Vice Admiral Jorge Moscoso in said position, as part of the cabinet renewal following the dissolution of the Peruvian Congress four days prior.

He was successively Secretary General of the Army General Command; General Commander of Education and Doctrine Command of the Peruvian Army; Commander General of the Northern Military Region (2011); Chief of General Staff of the Army; and Chair of Joint Chiefs of Staff of the Armed Forces (2013).

Martos was born in the northern city of Cajamarca. Following the conclusion of his high school education at the Cristo Rey Maristas School, Martos enrolled in the Chorrillos Military School, where he would graduate in 1978 with a specialization in Engineering. He attained a master's degree at the Army's Superior War College and at the Army's Scientific and Technological Institute.

Walter Roger Martos Ruiz (born 2 November 1957) is a Peruvian retired military general and politician who briefly served as Prime Minister of Peru from August to November 2020, under President Martín Vizcarra's administration. He previously served as Minister of Defense from October 2019 to August 2020.