Paul Mendoza is the President of Psoriasis Philippines. He is the Chairperson of the PsorCoach University where he empowers patients to be coaches to other patients. He is the President of the Psoriasis Asia-Pacific where he attends different health forums and agendas in the region. He is also involved with the Philippine Alliance for Patients with Chronic Illness, Healthy Philippines Alliance, and Alternative Budget Initiative for Health where he advocates for NCDs, Persons with Disabilities, access to medicine, patients' rights, and other health agendas with the Philippine Government.