Hosam Saleh is a Professor of radioactive waste management in the Radioisotope Department, Atomic Energy Authority, Egypt. Awarded MSc and PhD degrees in Physical Chemistry from Cairo University. More than 20 years of experience in hazardous waste management with emphasis on treatment and developing new matrixes for immobilization of these wastes. Interested in studying an innovative economic and environment-friendly techniques for management of hazardous and radioactive wastes. Authored many peer-reviewed scientific papers, chapters. Book Editor of several books related to international publishers. Serves as a reviewer, as Editor in Chief or Associate Editor for many valuable Journals and as a member of Technical Program Committee for international conferences. Gained the Scientific Encouragement Award from Atomic Energy Authority (2013), Encouragement Prize in Advanced Technical Sciences from Academy of Scientific Research (2014).