Rey Leonardo Borja Guerrero is a retired general of the Philippine Army serving as the Commissioner of the Bureau of Customs under the Duterte administration since 2018. He is a member of the PMA "Maharlika" Class of 1984.Previously, he was the administrator of the Maritime Industry Authority (MARINA) from April to October 2018 and was the Chief of Staff of the Armed Forces of the Philippines from October 2017 to April 2018.