Dr Halim Hamzaoui is a Tunisian specialist in occupational health. He has worked for the Hôpitaux Universitaires de Strasbourg in France, the Ministry of Social Affairs in Tunisia, and the World Health Organization in Guinea. Since 2016, he has been working as an Occupational Safety and Health Specialist at the International Labour Organization (ILO), where he has specialized in OSH systems, biological risks, OSH data, and OSH in health workers.