**Meet the editors**

Rehab O. Abdel Rahman is Associate Professor of chemical nuclear engineering at Atomic Energy Authority of Egypt. She has been awarded Ph.D. degree in nuclear engineering. She has authored more than 30 peer-reviewed scientific papers, 5 book chapters, and 1 monograph. She is an honored scientist of the ASRT and serves as verified reviewer in several journals and

managing editor for IJEWM and IJEE.

Hosam El-Din Mostafa Saleh is a Professor of radioactive waste management in the Radioisotope Department, Atomic Energy Authority, Egypt. He was awarded MSc and PhD degrees in physical chemistry from the Cairo University. He is interested in studying innovative economic and environment-friendly techniques for management of hazardous and radioactive wastes. He has

authored many peer-reviewed scientific papers and monographs and he is book editor of different books related to valuable international publishers.
