Health professionals for Diet and nutrition

Dr. Mamalaki Eirini is a Clinical Dietitian - Nutritionist with a private practice in Ampelokipoi. She graduated from the Department of Dietetics and Nutrition Science at Harokopio University of Athens. She completed her Master's Degree specializing in "Clinical Nutrition" at the same department. In 2020, she earned her PhD on the topic "Nutrition and lifestyle of older adults." She has published over 30 scientific articles in the field of nutrition and lifestyle, as well as more than 45 written and oral presentations at international conferences. Currently, she is a Scientific Collaborator at Harokopio University and the National and Kapodistrian University of Athens. She has extensive experience in managing clinical cases, both adults and children, as well as in weight management for individuals (weight loss, maintenance of lost weight, weight gain). Her fundamental philosophy is that dietary intervention should be person-centered, based on the specific needs and requirements of each individual as well as their taste preferences, with the goal of achieving long-term maintenance of the changes discussed. Therefore, the core focus of her sessions is thorough assessment and discussion of needs with the individual, setting goals, and re-evaluating these goals at regular intervals.

Ο Κάλφας Ιωάννης και οι συνεργάτες του (Kalfas Nutrition) εδρεύουν στη Γλυφάδα από το 2007. Η επαγγελματική ομάδα του γραφείου αποτελείται από τους διαιτολόγους Κάλφα Ιωάννη και Θάλεια Τριανταφύλλου.

Ο Κάλφας Ιωάννης διαθέτει πτυχίο διατροφής - διαιτολογίας από το Ανώτατο Τεχνολογικό Εκπαιδευτικό Ίδρυμα Κρήτης και το 2007 απέκτησε μεταπτυχιακό τίτλο σπουδών στον τομέα της διατροφής με εξειδίκευση στην κλινική διατροφή από το Πανεπιστήμιο της Γλασκώβης. Παράλληλα, έχει ολοκληρώσει την μετεκπαίδευση του πάνω στην αντιμετώπιση των διατροφικών διαταραχών (νευρική ανορεξία και βουλιμία) και της παχυσαρκίας στο Κέντρο Εκπαίδευσης και Αντιμετώπισης Διατροφικών Διαταραχών. Το 2015 ολοκλήρωσε στο Κέντρο Ψυχολογικών Εφαρμογών (ΚΕ.Ψ.ΕΦ.) σεμινάρια επιμόρφωσης με θέμα «δεξιότητες συμβουλευτικής και επικοινωνίας για διαιτολόγους» και το 2016 σεμινάρια με τίτλο “Πέρα από τα όρια της δίαιτας”, (μια διατροφική - ψυχοεκπαιδευτικη προσέγγιση στη χρόνια παχυσαρκία). Επι σειρά ετών είναι εισηγήτής σεμιναρίων με θέμα την αθλητική διατροφή και παράλληλα έχει στο ενεργητικό του ομιλίες που αφορούν στην διατροφική ενημέρωση του κοινού . Επιπλέον συμμετάσχει σε πλήθος σεμιναρίων και συνεδρίων για την συνεχή ενημέρωση στις εξελίξεις του κλάδου του. Πραγματοποίησε την πρακτική του άσκηση στο Γενικό Νοσοκομείο Αττικής ΚΑΤ, ενώ στα πλαίσια της στρατιωτικής του θητείας τοποθετήθηκε στο διαιτολογικό τμήμα του 251 Γενικού Νοσοκομείου Αεροπορίας, όπου απέκτησε πολύτιμη εμπειρία στην κλινική διατροφή και διαιτολογία.

Η Θάλεια Τριανταφύλλου είναι αθλητική διαιτολόγος-διατροφολόγος απόφοιτη του τμήματος Επιστήμης Διατροφής και Διαιτολογίας της Θεσσαλονίκης. Έχει πραγματοποιήσει τις μεταπτυχιακές της σπουδές στον τομέα της αθλητικής διατροφής στο Leeds Beckett University της Αγγλίας ενώ έχει παρακολουθήσει και σεμινάρια επιμόρφωσης στην Κλινική Διατροφή και στο Health Coaching για Επαγγελματίες Υγείας. Από το 2020 έως σήμερα, η εμπειρία της στη διατροφή τη βοηθά να προσφέρει πρακτικές και εξατομικευμένες λύσεις, είτε πρόκειται για αθλητές είτε για άτομα που απλώς θέλουν να βελτιώσουν την υγεία και τη φυσική τους κατάσταση.

Dimitris Mpertsias is a Specialist in Internal Medicine. He has completed his undergraduate and postgraduate studies at the Medical School of the National and Kapodistrian University of Athens and holds a postgraduate diploma in "Diabetes Mellitus and Obesity." Additionally, he has received further training in Lipidology and Cardiometabolic Medicine. He is also certified in obesity management (SCOPE) by the World Obesity Federation. In his private practice, he provides specialized advisory, diagnostic, and therapeutic services covering the clinical spectrum of Internal Medicine diseases, such as hypertension, dyslipidemia, infections, anemia, adult vaccinations, and preventive screening planning. He has authored numerous publications in Greek and international scientific journals and actively follows international medical advancements related to his field, adhering to contemporary international therapeutic protocols with patient safety and protection as his top priority. Finally, he is a member of the Society for the Study of Risk Factors for Vascular Diseases and the Hellenic Diabetes Association.

Volonaki Euaggelia is a Dietitian - Nutritionist and maintains a private practice in Heraklion, Crete. She has been trained at the Hellenic Mediterranean University, Department of Nutrition & Dietetics. She has worked at the General Hospital of Sitia. She specializes in nutritional counseling, sports nutrition, diabetes, as well as nutrition during pregnancy. In her private practice, she offers a wide range of services, tailored to the specific needs of each client.

Theodorou Marigo is a psychologist-psychotherapist and maintains her private practice in Ilisia. She holds a degree in psychology from the University of Central Lancashire and is a trainee group psychotherapist at the S. H. Foulkes Institute of Group Analysis. She provides her services at the 7th municipal clinic of the Municipality of Athens, and has previously collaborated with various agencies and organizations such as the Society for Regional Development and Mental Health (EPAPSY), METAdrasi, and the digital platform "Speak to Me." Additionally, during her internship, she worked with the supportive and counseling 24-hour SOS hotline "By Your Side" of the Greek Network of European Women for women who have experienced violence. After completing her internship, she also provided counseling and psychotherapy services.

Memi Eleni MD, MSc, PhD is an Endocrinologist who maintains a private practice in Nea Smyrni. She also serves as a Scientific Collaborator at the Palaiou Faliro Clinic of the Athens Medical Center and as an Academic Fellow in the 2nd Obstetrics and Gynecology Clinic of the "Aretaieio" Hospital. She holds a Doctorate in Medicine from Aristotle University of Thessaloniki, where she also earned her medical degree and a postgraduate specialization in "Medical Research Technology." She specialized in Endocrinology and worked as a resident physician in the Metabolic and Endocrine Diseases Department at the University Hospital "Carémeau" in France, as well as in the Bone Diseases Department at the University Hospital of Geneva, Switzerland. Furthermore, she received training in the Endocrinology, Diabetes, and Metabolism Department at the University Hospital of Lausanne, Switzerland, and completed her endocrinology training at the Endocrinology Department - Diabetology Center of the General Hospital of Athens "Evangelismos." Finally, she has attended numerous conferences and postgraduate seminars in Greece and abroad and has contributed to multiple research projects that were presented at Greek and international conferences and published in scientific journals.

Dr. Evangelos V. Lolis

Endocrinologist – Diabetologist – Andrologist

Dr. Evangelos V. Lolis is an Endocrinologist, Diabetologist, and Andrologist who maintains a private medical practice in the center of Patras. He specializes in the diagnosis and treatment of a wide range of endocrine disorders, including Type 1 and Type 2 Diabetes, thyroid diseases, obesity, menopause, and andrological conditions. His expertise also extends to osteoporosis, pituitary and adrenal disorders.

With over 20 years of experience in the healthcare systems of Sweden and Norway, and academic training at the Karolinska University Hospital in Stockholm, Dr. Lolis provides highly specialized medical care based on international standards and scientific precision.

His approach is patient-centered, emphasizing individualized treatment and respect for human dignity, ensuring a transparent and supportive care process.

Holding medical specialties in Endocrinology (2017) and Internal Medicine (2015), Dr. Lolis has worked in leading medical institutions, including the Karolinska Hospital. Today, he runs his Endocrinology Clinic in Karlstad, Sweden, offering personalized care based on the latest medical advances. He continues to grow professionally through international conferences and scientific publications.

Konstantini Katerina is a Dietitian - Nutritionist and maintains a private practice in Nea Filadelfeia. She holds a degree from the Department of Nutrition and Dietetics at the University of Thessaly and attends nutrition seminars annually. She has completed an internship at a dietetic office and has gained significant experience working in two other dietetic practices. In her office, she offers personalized services tailored to the specific needs of each client.

Meletiou Thaleia is a specialized Endocrinologist-Diabetologist with a private practice in Pagkrati. She has extensive clinical and research experience in Greece and Germany. She specialized in Endocrinology, Diabetology, and Metabolism at the University Hospital of Tübingen - Bad Cannstatt Hospital in Stuttgart, the University Hospital of Giessen, and the Endocrinology and Gestational Diabetes departments at the "Alexandra" University General Hospital in Athens. She actively participates in numerous endocrinology and diabetology conferences for continuous education and updates in her field. Additionally, she is a member of the Hellenic Endocrine Society and the Athens Medical Association.

Zagkalis Theologos is a General Practitioner providing online medical services. He is a graduate of the Medical School of Varna Medical University and holds a postgraduate specialization degree in Public Health from the National School of Public Health. He served as a salaried resident physician during his ten-month training for obtaining the General Medicine specialty at the Nea Makri Health Center and later at the General Hospital of Athens "Korgialenio - Benakeio" - Hellenic Red Cross. He has held the position of Assistant General Practitioner, grade B Registrar, at the Primary Health Care Center - Lavrio Health Center, and Assistant General Practitioner with the rank of NHS Physician, Registrar B, at the Primary Health Care Center - Nea Makri Health Center. Finally, from 2022 to 2025, he collaborated with Affidea in the 24-hour DrOnline program, a telemedicine platform offering consultations via text messages and video calls, and was responsible for conducting pre-insurance medical examinations for applicants on behalf of Ethniki Insurance.

Konstantina Eksarxopoulou MSc is a Dietitian - Nutritionist with a private practice in Athens. She holds a degree in Nutrition and Dietetics from Harokopio University of Athens and completed the postgraduate program "Stress Management and Health Promotion" at the Medical School of the National and Kapodistrian University of Athens. She is a Scientific Associate at the "Agia Sofia" Children's Hospital and an external collaborator at the multidisciplinary physiotherapy rehabilitation and physical wellness center "Physiopolis". Additionally, she serves as the Lead Dietitian for the "Alliance for Health - Nutrition" program and as a Dietitian - Nutritionist at the Athens General Hospital "Laiko" and at the Nursing Foundation of the Army Share Fund (NIMTS). Finally, she is a member of the Scientific Society for Stress Management and Health Promotion.

Oikonomou Panagiotis is an Internal Medicine Specialist with a private practice in Kallithea. He graduated with honors from the Medical School of the National and Kapodistrian University of Athens, specializing in Lipidology from the Hellenic Atherosclerosis Society. He trained in Internal Medicine at the Infectious Diseases Clinic of the General Chest Diseases Hospital "Sotiria" and has completed a training program in diabetes mellitus at the National and Kapodistrian University of Athens. Additionally, he has received training at the Diabetes Center of the General Hospital of Athens "Red Cross." He has participated in diabetes and infectious disease conferences and has attended seminars related to hypertension and diabetes mellitus. In recent years, he has served as a Consultant Physician A at the 1st Internal Medicine Clinic at Metropolitan General.

Triantafyllidou Sofia is a Psychologist - Psychotherapist and maintains a private practice in Alimos. She holds a doctorate in Clinical Social Psychology from the University of Crete. She has received specialized training in a range of psychotherapeutic approaches, including Clinical Psychotherapy using Hypnotherapy (certified by GHSC), EMDR, as well as Music Therapy employing the Guided Imagery and Music (GIM) and Music Imagery (MI) methods. Additionally, she completed postgraduate studies in Educational Psychology at the University of Nicosia. Her professional experience includes extensive work as a psychologist in private practice, as well as in psychosocial support structures for students at higher education institutions such as the University of West Attica and the former Technological Educational Institute (TEI) of Athens. She taught Psychology courses for several years at tertiary institutions and vocational training centers (IEK), and has been a member of the Collaborating Educational Staff at the Hellenic Open University since 2013. She has provided psychological support to vulnerable social groups, including individuals with visual impairments and detainees at the Korydallos Judicial Prison Second Chance School, and has served as a Parent Counselor in schools in the Attica region. Her scientific and teaching activities are further supported by research work conducted at the Universities of Crete and Athens.

Maria Giannakou is an Endocrinologist and operates a private practice in Vrilissia. She specializes in Diabetes and Metabolism and holds a PhD from the Medical School of the National and Kapodistrian University of Athens. Her doctoral thesis focused on chronic autoimmune thyroiditis and the nutritional and oxidative factors influencing its progression. She has extensive experience in university and hospital settings, having trained at the Center of Expertise for Rare Endocrine Diseases of the General Hospital of Athens "Evangelismos," as well as in the 1st Oncology Clinic of the General Oncology Hospital "Agioi Anargyroi." Currently, she is a consulting endocrinologist at the Endocrinology Unit of the University of Athens and at Medifirst in Marousi. She is a member of the Athens Medical Association, the General Medical Council of the United Kingdom, and the Endocrinological Society, remaining actively informed of scientific developments in her field.

Anastasia Skliva is a Psychologist - Psychotherapist with a private practice in Keratsini. She holds a degree in psychology from the Metropolitan College, has been trained in counseling psychotherapy at the Universal Training lifelong learning center, and specializes in systemic psychotherapy through her studies at the National and Kapodistrian University of Athens. She has experience managing mental health issues through counseling programs as well as her involvement with the NGO IASIS. She undertakes psychotherapy for adults, adolescents, and couples facing difficulties, and also conducts parent counseling sessions. Sessions are held either in person or online.

Panagi Sokratis is a Mental Health Counselor - Psychotherapist with a private practice in Larnaca. He graduated from Intercollege Nicosia in the field of Psychology and pursued postgraduate studies at the University of Derby (United Kingdom) in Integrative Counseling and Psychotherapy. As a Psychotherapist, he has extensive experience managing anxiety, depression, obsessions, compulsions, addictions, anger, post-traumatic stress, eating disorders, grief, interpersonal relationships, and more. Additionally, he has provided his services to schools, private institutes, NGOs, international organizations, rehabilitation centers, hospitals (private and military), prisons, businesses, and the media (television and radio stations, magazines, blogs).

Dr. Kaza Maria, MD, MSc, PhD, is a Endocrinologist – Diabetologist | Metabolism Specialist and maintains a private practice in Gerakas. She is a contracted Lecturer at the Department of Pharmacy of the National and Kapodistrian University of Athens. She is a distinguished PhD graduate of the Medical School of the National and Kapodistrian University of Athens, with a doctoral thesis entitled "Effect of physical activity on the physical and mental well-being of children and adolescents with diabetes mellitus". She completed with Distinction her postgraduate studies in Endocrinology and Diabetes (MSc in Endocrinology and Diabetes) at the Medical School of Queen Mary University of London (Barts and the London School of Medicine and Dentistry, UK) and is a graduate of the Medical School of the University of Patras. She has trained in hospitals in Greece and the United Kingdom and possesses extensive clinical experience in a wide range of endocrinological disorders, including type 1 and type 2 diabetes mellitus, gestational diabetes, obesity, thyroid diseases, osteoporosis and endocrine disorders of pregnancy, polycystic ovary syndrome, menstrual disorders, adrenal and pituitary diseases, and endocrine hypertension. Her research and academic activities further include publications in international medical journals, participation in Greek and international conferences, as well as teaching experience in the Departments of Dietetics and Sport Science at Metropolitan and Mediterranean College. She is a member of the Hellenic Endocrine Society, the General Medical Council (GMC) of the UK, and the Medical Association of Athens. Finally, she holds certificates in English and French languages. 

Nodaras Xristos is an Internal Medicine Specialist with private practices in Aspropyrgos and Attiki Square. He holds a Doctorate from the Medical School of the National and Kapodistrian University of Athens and is certified in the ILS Provider Course by the European Resuscitation Council. Additionally, he has received training in spinal implant procedures in France, specialized in Internal Medicine at the 2nd Internal Medicine Department of the General Hospital of Elefsina "Thriasio," and has attended annual advanced training seminars on Diabetes Mellitus by "Vasos Karamanos." In his private practice, he manages a wide range of internal medicine conditions, including infections, obesity, diabetes mellitus, hypertension, cholesterol, and triglycerides. He also collaborates with the Ministry of Transport for the issuance and renewal of driving licenses, as well as health certificates. Furthermore, Dr. Nodaras has participated in national conferences aimed at continuous professional development and is a member of the Hellenic Diabetes Association and the Hellenic Society for the Study of Sepsis.

Pathologist Dr. Syneifakoulis Theoxaris is the third generation of physicians in his family. He graduated with "Excellent" from the Medical School of the University of Pécs, Hungary, and was awarded his Doctorate from the Medical School of the National and Kapodistrian University of Athens, having completed his dissertation on skin melanoma. Additionally, he is a member of the RCPSG (Royal College of Physicians and Surgeons of Glasgow) and collaborates with the private hospitals "Hygeia" and "Euroclinic".

Dr. Syneifakoulis Theoxaris's further specialization and sequential years of training, including postgraduate studies in Mountain Medicine at the University of Leicester, U.K., as well as his certifications as an instructor for the American Heart Association ("AHA"), the European Resuscitation Council ("ERC"), Prehospital Trauma Life Support ("PHTLS") by the National Association of Emergency Medical Technicians ("NAEMT"), and Advanced Trauma Life Support ("ATLS") from the American College of Surgeons ("ACS"), have inspired him to continue the family tradition and broaden his professional horizons. These qualifications have provided him with the motivation and tools to engage not only in Internal Medicine but also in Travel and Mountain Medicine, as well as emergency Prehospital Medicine, both as an instructor and as a healthcare professional.