Theodoros Mavridis graduated from the Medical School of the Aristotle University of Thessaloniki in 2011 and studied neurology at the Eginition Hospital of the University of Athens (2015-2020). He became actively involved with First Aid, receiving the title of provider, trainer, seminar manager as well as trainer of trainers in many First Aid seminars such as Basic Life Support / Automatic External Defibrilator (BLS / AED), Advanced Life Support (ALS), Immediate Life Support (ILS), European Trauma Course (ETC) and Advanced Medical Life Support (AMLS) as a member of the Hellenic Society of Cardiopulmonary Resuscitation (HSCPR), the European Council for Resuscitation (ERC) and the National Association of Emergency Medicine Technicians (NAEMT) of the United States. He received his Master's degree in "Cardiopulmonary Resuscitation" with honors. He got academically involved in many scientific fields of Neurology such as Headache Science, Stroke/Cerebrovascular Diseases, Emergency Neurology and Neuroimmunology. He has published more than 15 scientific articles on PubMed/MEDLINE and is a reviewer of scientific manuscripts in international peer-reviewed journals. He has participated in Greek, European and international Neurological conferences, with over 85 posters/oral presentations. He is a chapter author in two scientific books on Migraine ("Migraine" by IntechOpen) and First Aid ("First Aid" by Broken Hill and BC Paschalidis), as well as an academic editor in a book on Headache Science. He is a member in many scientific panels of Greek, European and international Neurological societies (EAN, ESO, AHS, EHF, IHS, ESNCH) with main interests Headache Science, Stroke, Cerebrovascular Ultrasound and Neuroimmunology.