Eliseo Rio Jr. has been acting secretary of the Department of Information and Communications Technology (DICT) since May 10, 2018. His office is in charge with the formulation of policies, planning, and programming of cybersecurity and emergency communications and the implementation of strategic programs and projects, and regional operations. He also holds a supervisory role of the Cybercrime Investigation Coordination Center, the National Privacy Commission, and the COMELEC Advisory Council, as well as overseeing duties regarding the participation of the DICT in the activities of the National Disaster Risk Reduction and Management Council.

He is an electronics and communication engineer (ECE) and was one of the topnotchers (4th place) in the ECE Licensure Examination conducted in 1971.

He served the Armed Forces of the Philippines (AFP) and is now a retired Brigadier General. He held various positions in the AFP Research and Development Center from September 1968 to April 1969. Rio was assigned with Communication Company, 4th Infantry Division in Mindanao, from October 1969 to May 1971.

He was selected as the Most Outstanding Professional in the Field of Electronics and Communication for 2002 by the Philippine Professional Regulation Commission. He was a former commissioner at the National Telecommunications Commission (NTC). One of his significant accomplishments in NTC was the enactment of NTC MC 08-07-2002 on the Rules and Regulations Authorizing Entities Other Than Public Telecommunications Entities to Install and Operate Public Calling Stations/Offices and Telecenters in 2002, which has paved the way for the growth of call centers and business process outsourcing in the country.