Pediatritian in Paris, Master in African Sciences (University in Warsaw), past consultant of the World Health Organisation, president of ADE, a humanitarian NGO. He directed scientifique studies in South-Sudan in collaboration with a french-sudanese team. Soon after he found himself involved in the long civil war and participated in French humanitarian actions. He has published several scientific books. For his last book "Sudan-On the brink of peace??, Dr Zygmunt L. Ostrowski shared the Henri Duveyrier Price, 2007 from the French Geographic Society.