**Meet the editor**

Ahmed M. Maghraby graduated from Cairo University, Faculty of Science, Egypt, in 1995 and started his career as a scientist at National Institute of Standards (NIS), Egypt. He received his MSc degree in 1999 and his PhD degree from Cairo University in 2003 for the study on the calibration and cauterization of organic material for use in radiation dosimetry using electron paramagnetic

resonance (EPR). In 1999, he worked as a guest researcher in the National Institute of Standards and Technology (NIST) in Maryland, USA, and as a visiting scientist in Dartmouth College (EPR center of viable system) in New Hampshire, USA, in 2008. Also he has worked as a guest researcher in The Physikalisch-Technische Bundesanstalt (PTB), Germany's national metrology institute, in 2006. He has led and participated in several international research projects on radiation measurements. His research interest is the ionizing radiation metrology, especially ionization chambers, EPR, and thermoluminescence dosimetry (TLD). He is a reviewer for several peer-reviewed journals and has supervised a number of master and PhD theses.
