Rene P. Acosta covers defense, law enforcement and national security for the paper. He had written for a number of publications, including abroad before he joined BusinessMirror. His works had appeared in the Center for Strategic and International Studies and Asia Pacific Defense Forum, both in the US. He took up regional security with the International Visitor Leadership Program, US. He is currently the chairman of the board of the Defense Press Corps of the Philippines which he had headed in 2009.