Dr. Goumenos graduated from the Athens University, School of Pharmacy in 1982 and the School of Dentistry in 1988. He graduated from the Dpt. of Periodontology with a Certificate in Periodontology in 1990 and earned a Degree in Master of Science the following year from the Graduate School of Tufts University, School of Dental Medicine.

In 1996, he became a Diplomate of the American Board of Periodontology and received a Doctorate two years later from the Dpt. of Periodontology, Athens University.

Moreover, Dr. Goumenos has been appointed visiting Professor at the Dpt. of Periodontology, Universidad International of Cataluna, Barcelona, (SPAIN) and adjunct clinical Professor at the Dpt. of Periodontology, Tufts University, (USA). He is also a clinical instructor at the Dpt. of Periodontology of the Athens University. He has published articles on periodontal plastic surgery and implantology and has lectured nationally and internationally.

Dr. George Goumenos has been in private practice since 1992 limited to Periodontics and Dental implants in Athens.