Dr. Mosallam has more than twenty five years of experience at international, regional and national level in healthcare management, policies development, teaching and management of hospitals and healthcare projects. He was a training consultant at Harvard University in Egypt and has worked as management international advisor/consultant for UN agencies; WHO, UNFPA, European Union, USAID, IPPF and JICA.

He has coordinated and contributed in more than 300 healthcare management-related conferences and workshops at the regional and international level. Presently, he teaches strategic management, operational planning, TQM, Six Sigma, negotiation skills and logistics for post-graduate program in health care and hospital management.

Dr. Mosallam is a co-founder and a board member of the Scientific Council of the Egyptian Medical Board for hospital management (El Zamala El Masrya).He is Vice President and a Board member at 57357 Children Cancer Hospital.