Dr Christos Christou is the international president of Médecins Sans Frontières (MSF) since 2019. He first joined MSF in 2002 as a doctor, working with refugees in his home country of Greece, then going on international assignments to Zambia and Malawi to provide care for people with HIV, and has worked as a surgeon in South Sudan, Iraq, Cameroon and Greece. Dr Christou graduated from the Aristotle University Medical School and holds a PhD in surgery from Kapodestrian University in Athens.