Didier Pittet is the Hospital Epidemiologist & Director of the Infection Control Programme and World Health Organization (WHO) Collaborating Centre on Patient Safety, University of Geneva Hospitals & Faculty of Medicine, Geneva, Switzerland. He holds Honorary Professorships in London, Hong Kong, and Shanghai. Lead Adviser of the WHO Clean Care is Safe Care & African Partnerships for Patient Safety programmes. Recipient of several national and international honours including a CBE (Commander of the British Empire) awarded by Her Majesty Queen Elisabeth II for services to the prevention of healthcare-associated infection in the UK (2007). The book “Clean Hands Save Lives” (by T. Crouzet, 2014), available in 14 languages (2015), and the movie “Clean Hands” (Aftermedia 2016), describe Didier Pittet medical odyssey to promote patient safety worldwide. Prof Pittet is co-author of more than 500 in peer-reviewed publications and book chapters. The experience of his team in engaging nations and healthcare settings worldwide in a universal commitment to patient safety is unique.