**About the Editors**

**Marcel Popa** graduated in Chemical Engineering in 1972 and obtained his Ph.D. degree in Macromolecular Chemistry at the Polytechnic Institute of Iasi, Romania. Dr. Popa has authored 440 scientific papers, 9 books, 29 book chapters, has presented 530 papers at scientific meetings and has 20 patents in the fields of polymer mechanochemistry, polysaccharides and biologically active polymer chemistry; he is the editor of two books. He is the recipient of the following awards: the Gheorghe Spacu Romanian Academy prize for his pioneering work in the field of bioactive polymers, the Opera Omnia prize awarded by the Romanian Education Ministry for lifelong scientific achievements, the Henri Coanda gold medal granted by the Romanian Inventor Society, the Excellence in Research award of the Gheorghe Asachi Technical University of Iasi, Romania, etc.; he is Doctor Honoris Causa of Pau et Pays de l'Adour University and of Haute Alsace University from France and a member of the Romanian Academy of Scientists.

**Leonard Ionut Atanase** studied macromolecular chemistry at Gheorghe Asachi Technical University in Iasi. Under the guidance of Prof. Riess he continued his postgraduate studies in France, and in 2010 received a Ph.D. in Materials Chemistry from the University of Haute Alsace, Mulhouse. Until 2014, he continued his research, at the same university in France, as a university researcher in the field of polymers and emulsions biocompatible with applications in the biomedical field. From 2014 to 2015 he worked in the field of nanoemulsions with cosmetic applications at the University of Pau, France in collaboration with Louis Vuitton Moet Hennessy (LVMH), the Dior branch. At the ¨ beginning of 2016, he returned in Romania, to the Apollonia University of Iasi and obtained the title of full professor in 2017.

Currently, he is the Dean of the Faculty of Medical Dentistry at the Apollonia University of Iasi and the coordinator of the Biomaterials Laboratory.
