Dietitians - Nutritionists with experience in Nutrition for athletes

Nikolaos Xolopoulos MSc is a graduate of the Department of Nutrition and Dietetics at the A.T.E.I. Thessaloniki and operates his dietetic clinic in the center of Thessaloniki. He holds two master's degrees: one from the Medical School of Aristotle University of Thessaloniki in the postgraduate program "Nutrition and Health Promotion" with distinction, and another from the Management Department at the International Hellenic University, where his master's thesis focused on Human Resources staffing in Health and Nutrition units. He holds two certifications in Sports Nutrition: certification from the International Society of Sports Nutrition and the "Professional Sports Nutrition Diploma" from the University of Barcelona Innovation Hub. Additionally, he has served as an external scientific collaborator of the Hellenic Athletics Federation (SEGAS), where he oversaw the dietetic management of track and field athletes from clubs in Northern Greece. He has also been a scientific collaborator at the General Hospital of Thessaloniki "Hippokration" in the Endocrinology Department, focusing on the nutritional management of patients with Diabetes Mellitus. For the past 15 years, he has been teaching Food Science at all educational levels and has published research in reputable scientific journals concerning the relationship between sugar and obesity in childhood and adolescence as well as the impact of fructose on the gastrointestinal system. He has been running his own dietetic clinic for 9 years, equipped with modern dietetic tools for body composition analysis, providing personalized nutritional management for athletes, clinical cases, pregnant women, children, and the general population, always in accordance with updated nutritional recommendations.

Kiousi Katerina is a Dietitian - Nutritionist and maintains private practices in Paiania and Cholargos. She holds a degree in Nutrition Science from the School of Biomedical Sciences at the University of Surrey in the United Kingdom and a postgraduate degree in Education and Public Health Promotion from King’s College London. Additionally, she holds a Diploma in Basic Clinical Practice and Health Investigation from seminars attended at the International Academy of Health Investigation, Brookwood. She has gained significant professional experience and currently serves as the scientific director of the dietetics center at Voulioukaleio Clinic in Aigaleo and as an External Associate of boarding schools. In her private practices, she provides comprehensive nutrition programs tailored to individual needs. Finally, she has attended numerous industry conferences and is a member of the Panhellenic Association of Dietitians - Nutritionists.

Η Αλεξιάδη Σοφία είναι Διαιτολόγος - Διατροφολόγος και διατηρεί ιδιωτικό διαιτολογικό γραφείο στο κέντρο της Θεσσαλονίκης. Είναι απόφοιτη του Τμήματος Διατροφής και Διαιτολογίας του ΑΤΕΙ Θεσσαλονίκης, από το οποίο αποφοίτησε με άριστα. Πραγματοποίησε την πρακτική της άσκηση σε ιδιωτικό διαιτολογικό γραφείο, όπου εκπαιδεύτηκε στη διατροφική αξιολόγηση, στον σχεδιασμό εξατομικευμένων προγραμμάτων διατροφής και στη διαχείριση κλινικών περιστατικών. Παράλληλα, έχει παρακολουθήσει πληθώρα σεμιναρίων και επιστημονικών ημερίδων σχετικά με τις διατροφικές διαταραχές, τη νευρική ανορεξία, την παχυσαρκία, τον σακχαρώδη διαβήτη και το σύνδρομο ευερέθιστου εντέρου.

Ιδιαίτερο επιστημονικό ενδιαφέρον παρουσιάζει για την ίδια η διαχείριση των διατροφικών διαταραχών και η αποκατάσταση μιας υγιούς σχέσης με το φαγητό. Πιστεύει ότι η διατροφή δεν πρέπει να βασίζεται σε αυστηρούς περιορισμούς και ενοχές, αλλά να αποτελεί ένα εργαλείο φροντίδας του εαυτού και βελτίωσης της ποιότητας ζωής.

Στόχος της είναι να βοηθήσει κάθε άνθρωπο να αποκτήσει γνώσεις και δεξιότητες που θα τον συνοδεύουν σε όλη του τη ζωή, ώστε να μπορεί να τρέφεται ισορροπημένα, με αυτοπεποίθηση και χωρίς εξαρτήσεις από δίαιτες. Για τον λόγο αυτό, δίνει ιδιαίτερη έμφαση στη διατροφική εκπαίδευση, στην εξατομίκευση και στη δημιουργία βιώσιμων συνηθειών που μπορούν να διατηρηθούν μακροπρόθεσμα.

Αναλαμβάνει περιστατικά διατροφικών διαταραχών, διαχείρισης βάρους και παχυσαρκίας, σακχαρώδη διαβήτη, λιπώδους διήθησης ήπατος, καρδιαγγειακών νοσημάτων, αρτηριακής υπέρτασης, παθήσεων θυρεοειδούς, συνδρόμου ευερέθιστου εντέρου (IBS), νόσου Crohn, παιδικής και εφηβικής διατροφής, διατροφής εγκυμοσύνης και θηλασμού, αθλητικής διατροφής, καθώς και vegetarian και vegan διατροφής.

Vlami Mariantzela is a Dietitian - Nutritionist and Molecular Biologist - Geneticist with a private practice in Ampelokipoi, Athens. She graduated with honors from the Universities of Pisa and Trieste in Italy. She holds a master's degree in Dietetics - Nutrition and has also completed the "Clinical Nutrition" program at the National and Kapodistrian University of Athens. Continuing her studies, she successfully completed the Harvard Medical School Course "Genetic Testing and Sequencing Technologies," receiving a scholarship. She specialized in Medical Genetics with a focus on Nutrigenetics (Functional Genomics of Human Nutrition - Clinical Nutrition). She has worked in the Department of Medical Genetics and Clinical Nutrition at the Pediatric Hospital IRCCS B. G. of Trieste, in the Department of Clinical Biochemistry at the University Hospital Cisanello of Pisa, and has extensive experience in counseling and nutritional education. Additionally, she has completed training programs in Cognitive Behavioral Therapy and Health Coaching. It is noteworthy that she was awarded by the University of Trieste for her experimental master's thesis entitled "Development of new genetic and immunological technologies in the diagnosis of celiac disease." She consistently participates in conferences and seminars, often as an instructor and speaker, staying updated on industry developments. Her method is based on nutrigenetic analysis, detailed history taking, and nutritional education, aiming for the highest possible personalization in nutrition to achieve optimal health and wellness outcomes based on the unique genotype, through the application of contemporary scientific knowledge and personalized approach. She holds a professional license as a Dietitian - Nutritionist in Greece with license number 701171 and a professional license in Italy with license number AA_083267.

Teliopoulou Xaroula is a Dietitian - Nutritionist with a private practice in Chania. She holds a degree from the University of Greenwich and has received training at the Hellenic Open University. She has extensive experience in body composition analysis, anthropometric measurements, dietary behavior modification, and nutritional education, and manages conditions such as adolescent obesity, weight gain, and proper nutrition. She has worked as a Deputy Inspector for the approval of licenses for Dietetic Units at the Chania Health Center, as an External Collaborator - Nutritionist for the football team "A.O. Platanias Chania," as well as for the football team "Panakrotiriakos A.O." Additionally, she regularly attends conferences and contributes articles to the press, and has participated in research conducted by the University of Greenwich on Diabetes. Finally, she is a member of the Hellenic Dietitians-Nutritionists Association and The Nutrition Society.

Eydiet is a private Dietetic Office with a warm and bright environment located in the Commercial Center of Nikaia (near the Nikaia metro station). The scientific director is Nutritionist - Dietitian Eydiet - Doudoulakaki Ioanna, a graduate of the Mediterranean University of Nutrition and Dietetics of Crete, having received 2 state scholarships and recently the award "HEALTH EAGLES 2026" among 89,000 dietetic offices throughout Greece. Her postgraduate studies focus on Emotional Obesity, Eating Disorders, Childhood - Adolescent Obesity, and Psychosomatic Medicine. She has many years of experience, having worked as a scientific collaborator in the Hypertension and Lipids Unit of the General Hospital of Athens "Hippocratio," in scientific research studies (e.g., on ezetimibe, statins, and beta-glucans), private clinical practices, and aesthetic centers. She was also the Nutrition Manager of the Drapetsona volleyball team and delivers lectures in schools. She is very passionate about her work, giving care and special attention to every diet patient she undertakes. Currently, she collaborates as a Nutrition Manager with the P. Faliro Sports Center under the auspices of the Olympic pole vault champion.

Zaxarodimos Nikolaos is a Clinical Dietitian - Nutritionist, a doctoral candidate at the Laboratory of Dietetics and Quality of Life of the Agricultural University of Athens, and maintains a private practice in Agia Paraskevi. He graduated from the Department of Nutrition and Dietetics at the Technological Educational Institute of Crete and holds a master's degree in "Molecular and Applied Physiology" from the Medical School of the National and Kapodistrian University of Athens, with a research specialization in Type 1 Diabetes Mellitus. Simultaneously, he collaborates with medical clinics, hospitals, and fitness centers, offering personalized nutrition programs and body composition analyses. His professional experience includes salaried practice at the General Hospital of Athens "Laiko," participation in research projects and scholarships within the framework of the "Research – Create – Innovate" initiatives, and active involvement with publications in international journals and conferences both in Greece and abroad. He also has experience as a lecturer and trainer for students, as well as extensive volunteer work in nutritional education activities. Furthermore, the specialist is a member of the Panhellenic Association of Dietitians and Nutritionists and ACSM Exercise is Medicine Greece. Finally, at his dietetic office in Agia Paraskevi, he provides nutritional guidance for conditions such as diabetes, obesity, autoimmune diseases, irritable bowel syndrome, and muscle strengthening.

Isaakidis Akritas - NutriOn is a Dietitian - Nutritionist with a private practice in Neapoli, Thessaloniki. He holds a degree from the International Hellenic University in Thessaloniki, specializing in Sports Nutritional Guidance from the National and Kapodistrian University of Athens. Through concurrent practical training abroad and in hospitals, as well as attending seminars and conferences, he has gained extensive experience and education as a nutrition professional. We focus on a Healthy Lifestyle, and therefore, we invite you to become a member of the "NutriOn" family! Let us start with the goal of changing dietary habits, taking into account your individual needs and analyzing your body composition (fat, muscle mass)! We will develop a personalized nutrition program tailored to your specific needs, fully covering you and providing all the nutrients necessary for your body to function properly! Whatever your nutritional goal is, we have the solution and tools to achieve it!

Panopoulos Panagiotis is a Clinical Dietitian - Nutritionist and head of the Dietetic and Counseling Center in Ilioupoli, a facility that also operates a Mental Health Counselor. Mr. Panopoulos specializes in diabetes mellitus, clinical nutrition, pediatric and adolescent nutrition, eating disorders, nutritional counseling, life coaching, as well as the management of morbid obesity and metabolic inactivity. He has extensive professional experience since 1995 in hospitals, sports, education, aesthetic and weight loss centers, intolerance centers, kindergartens, pregnancy and postpartum centers, and has delivered numerous lectures in primary and secondary education and nursing homes. Additionally, through specialized nutrition programs, he addresses issues of sluggish metabolism, overeating, picky appetite, psychological binge eating, food intolerance - allergies, menopause, cholesterol, hypertension, diabetes, kidney function, cardiological cases, constipation, irritable bowel syndrome, and gastric disorders.

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.

Papataksiarxis Euaggelos MSc is a Dietitian - Nutritionist with a private practice in Ampelokipoi. He holds a degree in Nutrition and Dietetics from the Alexander Technological Educational Institute of Thessaloniki and a master's degree (MSc) with distinction in Applied Dietetics - Nutrition from Harokopio University of Athens. He specializes in modifying dietary behaviors through lifestyle habit changes in both adults and children and creates personalized nutrition programs for weight modification, pathological cases, and athletes. He participates in numerous seminars and conferences to stay updated on developments in the field and delivers lectures at conferences, talks at schools and associations, and television interviews on nutrition topics. Lastly, he is a member of the Hellenic Dietitians - Nutritionists Association and the Panhellenic Association of Dietitians - Nutritionists.

Η Κογκόλη Μαρία με επιχειρηματική δραστηριότητα για χρόνια στο κέντρο αδυνατίσματος DNA αποφάσισε να δώσει σε ώριμη ηλικία κατατακτήριες και να εισαχθεί στο Χαροκόπειο Πανεπιστήμιο Αθηνών. Ξανά στα θρανία με ώριμη σκέψη, φρέσκια γνώση και πλούσια γευστική κουλτούρα από τα ταξίδια της ανά τον κόσμο.

Με το επόμενο επιχειρηματικό της βήμα δημιούργησε το Κέντρο Διατροφικής Αλλαγής Change Eat. Με την εκπαιδευτική (ως Φυσικός) και την διαιτολογική της εμπειρία συνδυάζει την εκπαίδευση και την ψυχολογική στήριξη των ανθρώπων. Με ζεστασιά, επιμονή, συνεχή υποστήριξη προσπαθώντας να μην ξεπεράσει τα όρια τους, στοχεύοντας στην διατροφική αλλαγή . Σε ένα χώρο με χρώματα και μυρωδιές από φρέσκια λουλούδια δημιουργεί κλίμα χαλάρωσης, εμπιστοσύνης και ασφάλειας. Αναλαμβάνει περιστατικά με χρόνια νοσήματα (διαβήτης, μεταβολικά νοσήματα, ογκολογικά, νεφρολογικά, παθήσεις πεπτικού Συστήματος (πχ. Σύνδρομο Ευερέθιστου Εντέρου), διαχείριση βάρους , δυσθρεψίας τρίτης ηλικίας. Επίσης έγκυες, θηλάζουσες και αθλητές.

Προσεγγίζει την ευζωία μέσω του σχεδιασμού διατροφικών προγραμμάτων προσαρμοσμένα στις ανάγκες και στις ιδιαιτερότητες του κάθε ανθρώπου.

Συμμετέχει εθελοντικά με ενεργό ρόλο εκπαιδευτικού σε επιμορφωτικά ιατρικά συνέδρια, με θέματα διαταραχών διατροφής, σε επίπεδο πρωτοβάθμιας φροντίδας υγείας. Σημαντική κρίνεται η συμβολή της στην ενημερωτική προσπάθεια διατροφικών διαταραχών στα σχολεία όπως και σε βιωματικά σεμινάρια διατροφικής προσπέλασης σε ογκολογικούς αρρώστους με αποτέλεσμα την μεγάλη βελτίωση της ποιότητας ζωής τους, προληπτικά και θεραπευτικά.

Dimitrios Tzirarkas is a Dietitian - Nutritionist who maintains a private practice in Aigaleo. He has 27 years of professional experience and has handled thousands of cases. He is a graduate of the Department of Food Technology and Nutrition of the Thessaloniki Higher Technological Educational Institute. He specialized in Clinical Nutrition at the General Hospital "Asklipieio" in Voula, acquiring valuable knowledge with greater emphasis on Diabetes cases. In the past, he served as Head Dietitian at Weight Loss and Aesthetic Centers and worked at Avgirinopoulou IEK as an instructor in the field of Nutrition. He is a member of the Hellenic Association of Dietitians - Nutritionists (HADN) and regularly attends specialized seminars and conferences in the field of nutrition and dietetics. Recently, he successfully completed the University of Thessaly's educational program entitled "Nutrition and Mental Health," obtaining specialization (master practitioner) in cases of Eating Disorders (Bulimia, Anorexia Nervosa, Night Eating Syndrome).

Marilena Nikolidaki RD BSc cMSc is a Dietitian - Nutritionist and maintains a private practice in Rethymno. She is a graduate of the Department of Nutrition and Dietetics of the School of Health Sciences at the Hellenic Mediterranean University, and she is also pursuing a postgraduate program in "Nutrition & Public Health" at the Medical School of Aristotle University of Thessaloniki. She has attended numerous educational programs and seminars, acquiring further knowledge in clinical nutrition, sports nutrition, diabetes mellitus and obesity, endocrinological issues in children and adolescents related to weight management. Additionally, she has completed practical training seminars at the Nutrition Department of the General Hospital of Athens "Evangelismos." Concurrently, the Nutritionist is an active member of the Panhellenic Association of Dietitians - Nutritionists, as well as the Hellenic Society of Clinical Nutrition and Metabolism (GrEspen). Since 2024, she has maintained her private dietetic office at 30 Emmanouil Portaliou Street in the center of Rethymno.

Daskalakis Aleksandros is a Dietitian - Nutritionist and has been running a private dietetic practice since 2020, following a patient-centered approach aimed at achieving realistic client goals with high success rates. He graduated from the University of Greenwich in the United Kingdom. He extended his studies by pursuing a postgraduate degree at Bolton University in nutrigenetic analysis and genetic testing. He has worked in a clinical setting (Errikos Dynan Hospital) and has previously served for several years as a Chef and technical consultant for leading food companies in the sector, possessing advanced knowledge of food science. He collaborates with the company iDNA Genomics, focusing on genetic testing and nutrigenomics, responding to clinical cases and, following thorough analysis, providing specialized interventions tailored to the needs of each client. He maintains close collaborative relationships with top athletes in calisthenic gymnastics, Cross Training, and marathon runners, while he himself has completed two marathons and practices calisthenic exercise. He is a shareholder in his own top nutrition software, which is already available on the market for dietitians. He continues to train and develop continuously, keeping up with current advancements to remain informed on nutritional science research.

Vlaxos Thomas is a Dietitian-Sports Nutritionist based in Pallini. He is a top graduate of the Dietetics department at Queen Margaret University, Edinburgh, Scotland, and holds a master's degree in "Applied Sports and Exercise Nutrition" from Oxford Brookes University, Oxford. He has obtained anthropometry certification from ISAK GLOBAL, certification as an anti-doping advisor from the UKAD organization in England, holds the title of Master Practitioner in Eating Disorders and Obesity under the auspices of the National Centre for Eating Disorders (NCfED) in the UK, and has been trained in Life and Executive Coaching. He has a record of publications, lectures, and presentations at scientific conferences and continuously updates his knowledge of advancements in the field of nutrition by participating in relevant seminars and conferences held both in Greece and abroad. He contributes articles to reputable Greek websites related to exercise and nutrition and delivers lectures in municipalities, schools, children's institutions focused on nutrition, and sports clubs aimed at maximizing athletic performance. On a daily basis, he helps both adults and children adopt a healthier lifestyle without deprivation through modification of dietary behavior, thereby contributing to the reduction of the risk of various diseases, as well as assisting athletes through optimal sports nutrition to enhance their athletic performance.

Ioanna Xatziemmanouil is a Dietitian - Nutritionist and maintains a private practice in Nikaia. She holds a degree from the Department of Dietetics and Nutrition Science at Harokopio University, specializing in Pediatric Nutrition, having completed the educational program “Master Nutritionist in Pediatric Nutrition.” She possesses clinical and scientific experience and is a member of the Panhellenic Association of Dietitians - Nutritionists. Additionally, she has attended numerous workshops and conferences.

Ektor Kappatos-Koutroumpas is a Dietitian – Nutritionist, and his office “Healthier with Ektor” is located in the Mavili Square area. He holds a master's degree in Clinical Nutrition from the University of Aberdeen (Medical School), is a holder of the European Diploma in Clinical Nutrition and Metabolism (ESPEN), the leading European clinical nutrition qualification, has been trained in the Low-FODMAP diet for managing irritable bowel syndrome symptoms by Life Academy, and in Eating Disorders through the training program of KEADD (Hellenic Center for Education and Management of Eating Disorders), under the auspices of the British Psychological Society. He also holds a certification in the program of the National and Kapodistrian University of Athens (NKUA) titled "Stress Management and Health." He collaborates with psychologist - child psychologist Alexandra Kappatou as the head of the Dietetics Department. He has taught the course of Sports Nutrition for 2 years in the postgraduate program at the Scientific College of Greece (SCG) and has experience working in a private dietetic office. He is a co-creator and co-administrator of the dietitians’ group “Food for ... Nutrition.” Together, you will create a personalized intervention based on your unique needs and characteristics, aiming to achieve your goals without deprivation, hunger, or restrictions. He is here to listen to you, support you, and help you without judgment.