Marga Ree, DDS, MSc obtained her degree in dentistry from the University of Amsterdam in 1979 and completed her residency in endodontics in 2001. She is a popular speaker for dental and endodontic conferences, and has given over 300 presentations and hands-on courses in 30 countries all over the world. She is the primary author of many articles published in national and international journals and has contributed to several books on endodontics and restorative dentistry. From 1980 till 2020 she maintained a private practice in Purmerend, which for the last twenty years was dedicated to endodontics. She is presently working at a multidisciplinary dental practice in Amsterdam.