Takashi Ono is Professor and Chairman of the Department of Orthodontic Science, Institute of Science Tokyo, Japan. After earning PhD degree from Tokyo Medical and Dental University in 1991, he studied at the University of British Columbia, Canada and the University of Copenhagen, Denmark. Prof. Ono worked and has been working as an Adjunct/Visiting Professor at 14 domestic/international universities. He also serves as an editorial board member for 14 international peer-reviewed journals. He has published 13 book chapters and 342 scientific articles. His research interests include oral/craniofacial biology, obstructive sleep apnea, diabetes and respiration. Prof. Ono is a recipient of IADR/AADR Williams J. Gies Award in 2018 and AJODO Wayne G. Watson Award in 2024. He is currently a member of the Executive Committee of the World Federation of Orthodontists (WFO) and E.H. Angle Society North Atlantic Component, and Secretary General of the Asian Pacific Orthodontic Society (APOS).