Eiji Tanaka is Professor and Chair of the Department of Orthodontics and Dentofacial Orthopedics, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan. He graduated from Osaka University Faculty of Dentistry in 1988 and went on to complete his Ph.D. in 1993. He gained his special license as an orthodontist in the same year and his orthodontic instructor license in 2000. He took up his current post in 2008 and in May 2015 was appointed Distinguished Adjunct Professor at King Abdulaziz University, Jeddah, Saudi Arabia. Furthermore, he has held several professional titles, such as Visiting professor, ACTA, The Netherlands, in 2003; Visiting professor, University of Oviedo, Spain, in 2011; and Visiting professor at Nantong University, China, in 2019. His research is centered around biomechanics of the temporomandibular joint, application of low-intensity pulsed ultrasound in dental tissue engineering, and development of orthodontic miniscrews. He is the author of more than 290 articles in peer-reviewed journals. In particular, one review article published in Journal of Dental Research 2008 was selected as a top 10-cited publication in the field of temporomandibular disorders. Furthermore, he was recognized one of the top 2%-cited scientists in 2021 (https://elsevier.digitalcommonsdata.com/datasets/btchxktzyw/4).