Note: Pictured above is Dr. Tedros Adhanom Ghebreyesus, Director-General of the World Health Organization (WHO.) He is the first WHO director-general who is not a medical doctor. He holds a Doctorate of Philosophy (PhD) in Community Health from the University of Nottingham, and a Master of Science (MSc) in Immunology of Infectious Diseases from the University of London. From 2005-2012, he was Ethiopia's Minister of Health.