Marie A Cornelis received both her dental degree (1999) and postgraduate specialist degree in orthodontics (2003) from the University of Louvain, in Brussels. In 2007, she was visiting research scholar at the University of North Carolina at Chapel Hill, USA. She defended her PhD about miniplates as temporary skeletal anchorage in Brussels in 2008. In 2010, she finished a 2-year degree in lingual orthodontics at the Université Descartes (Paris). Between 2009 and 2014, she was Assistant Professor at the Department of Orthodontics of the University of Geneva. From 2014 to 2020, she was Associate Professor and Postgraduate Program Director of Orthodontics, Department of Dentistry, Aarhus University, and in 2015 she became Head of Section. At the same time, she maintained an active orthodontic practice in an interdisciplinary office in Geneva a few days per month. In 2021, Marie became Professor and Head of Orthodontics at the Melbourne Dental School. Marie was awarded the WJB Houston Oral Research Award of the European Orthodontic Society in 2008 and the Dewel award as an author of the best clinical paper in the American Journal of Orthodontics and Dentofacial Orthopedics in 2012 and in 2023. She is an Active Member of the Angle Society of Europe and a full member of the European Board of Orthodontists. Marie is also Associate Editor for Seminars in Orthodontics. Her research interests are focused on clinical orthodontics, mainly skeletal anchorage, digital workflows and stability/retention. Marie publishes extensively and lectures internationally on these and other topics.