Prof. Dr. Jin Su Jeong is currently a Professor (Profesor Titular) in the area of Mathematics Education and an Academic Secretary at Department of Science and Mathematics Education, Universidad de Extremadura (Spain). Previously, he was working with Juan de la Cierva Program at the Universidad Politécnica de Madrid (Spain).He was received his MS in Architecture from the Texas A&M University, College Station (United States), his first PhD with International Mention and Suma Cum Laude in Graphic Engineering, Geomatics and Projects, and second PhD with Suma Cum Laude and Outstanding Thesis Award in Teaching Education from the Universidad de Extremadura and Universidad de Huelva (Spain) with a PhD course from University of Washington, Seattle (United States). For his doctoral dissertation, he has done different doctoral research stays and collaborations. He has published more than 220 papers in journals, books and conference proceedings, including 80 papers in journals indexed in the Web of Science and 65 in SCOPUS. He has participated in the plenary/keynote speaker, scientific and organizing committee and chairperson of several international conferences and associations and has served more than 500 reviews in a wide range of international journals. Also, he is serving as an associate editor (Heliyon and Plos One - Education Section), invited editor for special volumes and editorial board member for a couple of prestigious international journals.