Who is the chief of phivolcs and what he do?

As of my last knowledge update in October 2021, the chief of the Philippine Institute of Volcanology and Seismology (PHIVOLCS) is Dr. Renato Solidum Jr. He is responsible for overseeing the agency's efforts in monitoring and researching volcanic and seismic activity in the Philippines, providing early warnings for natural disasters, and educating the public on disaster preparedness. His leadership plays a crucial role in enhancing the nation's resilience to geological hazards. For the most current information, please check official sources.