Prof Marc Quirynen graduated as a dentist in 1980 from the Catholic University of Leuven, Belgium, where he went on to complete training in periodontology and obtain his PhD. In 1990, he was appointed as a professor at Catholic University and is currently Chairman of the Department of Periodontology. His research focuses on simplification and optimization of periodontal therapy, and over the past decade, he has explored platelet concentrates in soft and hard tissue regeneration. Prof Quirynen has published over 450 papers in international peer-reviewed journals and serves on several editorial boards, including for the Journal of Clinical Periodontology and Clinical Oral implants Research. His most inspiring lectures deal with the clinical benefits of L-PRF and the prevention of peri-implantitis.