Xarisis Aleksis is a Clinical Endodontist with a specialized practice in Kolonaki since 2005. At the age of 22, he was the youngest in history and the first Greek to be accepted by Dr. Jeffrey Hutter into the renowned Endodontics program at Boston University, USA. He has worked alongside some of the world's leading Clinical Endodontists, such as Dr. Bryan Beebe, under the guidance of the father of Modern Endodontics, Dr. Herbert Schilder. He graduated in 2002 from the Henry M. Goldman School of Dental Medicine at Boston University, specializing in Endodontics. He is an active member of the American Association of Endodontists and a member of the Hellenic Endodontic Society. In 2006, he became a Regular Member of the Society for Dental and Oral Research. Additionally, he is a member of the Schilder Institute for the advancement of Endodontics worldwide, as well as a founding member of the Hellenic Endodontists Association. Upon his return to Greece and until 2008, he served as a Registrar in the Dental/Maxillofacial Surgery Department at the Errikos Dynan Hospital, and has also been a Scientific Collaborator at the University of Athens, as well as an invited speaker at Dental Conferences throughout Greece. He is involved in the education of Dentists by participating in Continuing Education Programs, hands-on courses, webinars, and live demonstrations of clinical cases. Lastly, it is worth mentioning that he has performed over 15,000 procedures on more than 10,000 patients from 2002 to the present.