Assoc. Prof. Ondřej Měšťák, M.D., Ph.D., is a plastic surgeon and graduate of the Third Faculty of Medicine at Charles University. He works at the First Faculty of Medicine at Charles University, where he serves as the deputy head of teaching, and has been an associate professor of surgery since 2017. In his clinical practice, he primarily specializes in aesthetic and reconstructive breast surgery (including microsurgery) and aesthetic nose surgery. He has received awards from the American Society of Plastic Surgery (ASPS) and the International Society of Aesthetic Plastic Surgery (ISAPS). He is the scientific secretary of the Society for Aesthetic and Laser Medicine of the Czech Medical Association of J. E. Purkyně, a member of the committee of the Society for Plastic Surgery of the Czech Medical Association of J. E. Purkyně, and ISAPS. He serves on the editorial boards of the journals Acta Chirurgicae Plasticae and Zdravotnictví a Medicína (Healthcare and Medicine), and has organized several international conferences. He frequently visits international institutions, including Harvard Medical School, Taiwan, Brazil, Istanbul, Belgium, and Mexico. He participated in a humanitarian mission in Jordan and initiated the inclusion of plastic surgery in the MEDAVAC government healthcare program. He has published more than 50 articles in peer-reviewed journals and delivered over 70 lectures both in the Czech Republic and internationally. He supervises postgraduate students in experimental surgery and reviews dissertation and habilitation theses.