Viorel-Puiu Paun. Short biography  VIOREL-PUIU PAUN is full university professor of Physics at “Politehnica” University of Bucharest, Faculty of Applied Sciences, Physics Department and corresponding member of Academy of Romanian Scientists.  His serious background (Education and Training) consists in: Postgraduate Diploma in Biomedical Engineering, (EPFL Lausanne, Switzerland 1997), Diplôme approfondi de langue française (1996), Doctor of Sciences (PhD in Physics) at Atomic Physics Institute of Bucharest (1992), Faculty of Mathematics, University of Bucharest (1985 – 1990), Master in Solid State Physics, Faculty of Physics, University of Bucharest (1979), Faculty of Physics, University of Bucharest (1974 – 1978). Area of his scientific interest The main areas of his scientific interest are the nonlinear dynamics and chaos theory, with their applications in different physico-chemical systems (nanostructures, composites), biological systems and in human organs such as the brain, lungs and stomach. More precisely, he is expert in fractal interpretation of common diagnostic medical imaging tests (X-rays, CT Scan, MRI, etc).  He is furthermore preoccupied about the knowledge and use of new composite materials, successfully used in Oral Rehabilitation. He is interested in their physico-chemical properties, compatibility with human tissue and their validity over time, in operation. He has extensive research competences in all the above mentioned fields, including in particular Time series method, Fractals Analysis and Diffusion Process. Viorel-Puiu Paun has published more than 150 papers in national and international journals, 101 ISI journal papers, 50 communications in national and international meetings (more than 30 on invitation), 495 citations without self-citations, respectively 20 books, chapters in books and monographs. His Hirsch factor value is currently 20. Visiting professor at nine prestigious European universities He was a guest/visiting professor at nine prestigious universities in Europe, including University of Cambridge, UK (2015), École Polytechnique Fédérale de Lausanne (EPFL), Switzerland (1996-1997, 2014), University of Florence, Italy (2011), ENSICA Toulouse, France (2007), School of Physical Sciences, Kent University, Canterbury, UK (2004, 2006), University of Padua, Italy (2001), etc. Lead Editor at 8(eight) Special Issue of journals I am also familiar with the procedures for accepting articles on Special Issue, as I was Lead Guest Editor at ISI journals, at the following Specials Issues listed below: (Special Issue- Guest Editor Viorel Paun 2018-prezent) 1. "Fractal-Type Dynamical Behaviors of Complex Systems", 2018, Lead Editor Viorel-Puiu Paun, a Special Issue of in Complexity Journal, Hindawi and Wiley Editures 2. "Advances in Laser Produced Plasmas Research", 2019, Guest Editor Viorel-Puiu Paun, a Special Issue of Symmetry Journal, MDPI-Basel Editure 3. "Applications of Fractal Analysis in Brain Images Interpretation", 2020, Unique Guest Editor Viorel-Puiu Paun, a Special Issue of Brain Sciences Journal, MDPI-Basel Editure 4. "Applications of Photonics, Laser, Plasma and Radiation Physics", 2021, Leading Guest Editor Viorel-Puiu Paun, a Special Issue of Entropy Journal, MDPI-Basel Editure 5.  "New Perspectives in Nonlinear Dynamics of Complex Systems", 2021, Lead Editor Viorel-Puiu Paun, a Special Issue of Complexity Journal, Hindawi and Wiley Editures 6.    "Interpretation of neuroimaging data from serious brain diseases by fractals theory application", 2021-2022, Lead Editor Viorel-Puiu Paun, a Special Issue of Frontiers in Bioscience-Landmark Journal, Baldwin Research Institute (BRI) Editure 7.   "Gels: Synthesis, Characterization and Applications in High Performance Chemistry", 2021-2022, Lead Editor Viorel-Puiu Paun, a Special Issue of Gels Journal, MDPI-Basel Editure 8. "Transport Processes of Polymers through Nanometric Pore Membranes", 2021-2022, Lead Editor Viorel-Puiu Paun, a Special Issue of Polymers Journal, MDPI-Basel Editure