Hamid Yahay Hussain is Member of editorial Board of Middle east journal of internal medicine, Middle East Journal of Age and Aging, Middle East Journal of Alzheimer and Psychiatry. He is Member of different international, regional and national associations e.g. APHA, IEA, MENAPF, EMAME, American college of occupational and environmental medicine, American college of Epidemiology, American academy of family medicine, Canadian College of family physician, international family physician association (Wonca). He is Qualified with PhD family and community medicine, Higher diploma respiratory Diseases Edge hills University UK, fellowship of institute for international education/New York, Master course of Epidemiology and biostatistics/American University of Beirut, training certificates on Public Health (north Carolina, Johan Hopkins and Harvard). He has supervised more than 20 PhD theses, 10 MSc Thesis, achieved about 50 research work and contribute to CDC textbook on Ethics in Public Health