Björn Ludwig is a specialist orthodontist who operates a private practice in a small village in Germany. He holds academic positions at Saarland University, the University of Gothenburg, and Kyung Hee University in Seoul. His primary focus is clinical work, combined with a strong interest in technology and innovation. He has published more than 250 scientific papers and book chapters, serves as reviewer and editor for several leading orthodontic journals, and is co-editor of books on contemporary orthodontics. He is an active lecturer worldwide, with research interests in skeletal anchorage, digital orthodontics, aligner therapy, and biomechanics. Beyond orthodontics, he enjoys cycling as a way to balance his professional life.