Dr. Suzuki graduated from the School of Medicine, Keio University (MD) in 1984 and trained as neurologist. He received his PhD in public health from Keio University in 1996, and two Master's degrees from the Harvard School of Public Health (MPH in 1989 and MSc in 1990).

Dr. Suzuki has a professional career at the Ministry of Health, Labour and Welfare (MHLW), Japan for 30 years covering infectious diseases, mental health, environmental health, food safety, international health, aging and health, and health research policy. He served as Executive Director for Social Change and Mental Health, and for Health Technology and Pharmaceuticals (covering vaccines, immunization and biologicals), at the World Health Organization from 1998 to 2002.

Dr. Suzuki currently is the Chief Medical and Global Health Officer, and Vice-Minister for Health in MHLW since July 2017.