Dietitians - Nutritionists

Prekas Xristos is a Clinical Dietitian – Nutritionist, BSc, and has operated two dietetic offices since 2011, located in Petralona and Santorini. He holds a degree from the Department of Nutrition Science and Dietetics at Harokopio University of Athens and is a member of the Hellenic Dietitians – Nutritionists Association. He has participated in numerous research studies, organizes seminars and lectures for adults and children on nutrition and childhood obesity, and regularly contributes articles to nationwide websites and newspapers.

Keydiet - Katerina Vamvouka and Associates are based in Chalandri. Katerina Vamvouka is a Clinical Dietitian - Nutritionist, graduate of Harokopio University and holder of a postgraduate degree in Public Health and Health Services Administration from the Medical School of the University of Crete. Since 2006, she has maintained a private dietetic office in Chalandri, while in the early years of her career, she served as the scientific head of the dietetic unit at the private hospital "Hygeia" and later at the rehabilitation and recovery center "Filoktitis," gaining extensive experience in predominantly clinical cases with specific nutritional needs. Subsequently, she decided to focus exclusively on managing obesity cases in both adults and children at her private practice, as well as providing counseling and proper guidance for balanced nutrition and exercise, thereby helping many people change their relationship with food and adopt healthier habits and lifestyles. In recent years, she established the Keydiet dietetic unit, where, together with a highly qualified team, she continues to provide dietetic services to an even broader range of cases. Together with her team and always prioritizing the individuality of people and their needs, she personalizes dietary and exercise instructions and strives, through proper guidance, to educate them to adopt a healthier dietary approach that they will maintain over a longer period.

Marilena Petrakou is a Dietitian-Nutritionist who maintains a private practice in Keratsini. She holds a degree from the School of Dietetics and Nutrition of the Technological Educational Institute of Crete. As part of her continuing education, she completed a Personalized Nutrition Training Seminar at the Metropolitan College of Athens, as well as Clinical Nutrition studies at the National and Kapodistrian University of Athens. Additionally, she worked as a Nutritionist during her internship at the General Hospital of Piraeus "Tzaneio." Notably, she is specialized in Clinical Dietetics, Nutritional Counseling, and the management of Metabolism and Obesity. Furthermore, she has attended training seminars on the nutritional management of intestinal diseases (irritable bowel syndrome, celiac disease) and contributes articles as an external scientific collaborator to the leading nutrition and health portal MedNutrition, the largest nutrition and fitness website Fitness Motivation Hellas, and the site Monopoli.gr.

Marikou Foteini is a Clinical Dietitian - Nutritionist MSc, graduate of the Department of Dietetics and Nutrition at Harokopio University and holder of a Master's Degree from the Medical School of Athens titled "Pathology of Pregnancy - High Risk Pregnancy." As part of her undergraduate program, she completed internships at the 401 General Military Hospital of Athens, a private dietetic office, and a food industry company. Subsequently, she collaborated for several years with NGOs, where she provided voluntary nutritional support to cancer patients during and after anticancer treatments. Simultaneously, she has served as head dietitian - nutritionist in a large gym chain. She has been evaluating private cases since 2018, specializing in nutrition during pregnancy and breastfeeding, as well as in cases of eating disorders and clinical conditions such as hypercholesterolemia, diabetes mellitus, gestational diabetes, polycystic ovary syndrome, and specialized clinical conditions. Moreover, she continuously updates and actively follows the latest developments in the field of Nutrition and Health through educational seminars, conferences, and workshops. Since 2022, she has been operating her dietetic office in Ambelokipi, Attica, equipped with state-of-the-art technological equipment, catering to numerous individuals by personalizing her approach tailored to each person's specific needs.

Katerina Xrysoulaki is a Clinical Dietitian - Nutritionist, BSc, MSc, and she operates a private practice (Thought for food) in Exarchia, where she provides personalized nutrition services. She holds a degree from the Department of Dietetics and Nutrition Science at Harokopio University of Athens and possesses a bachelor's and master's degree (BSc - MSc) in Food Science and Human Nutrition from the Agricultural University of Athens. Furthermore, she holds a "Master Practitioner" certification in Eating Disorders and Obesity from KEADD in collaboration with NCFED of the UK. She completed her internship at selected nutrition centers, as well as at the General Hospital of Athens "Alexandra," gaining valuable experience in clinical and preventive settings. She continuously attends specialized seminars and educational programs, staying updated on the latest developments in Nutrition Science, clinical practice, and nutritional behavior. Her primary goal is to help people feel better and improve their lifestyle through nutrition. Based on scientific data, each program is tailored to the needs, daily routine, and lifestyle of each individual. Change does not come through restrictions but through conscious choices that respect the body and the needs of each person.

Sklivagkou Nantia is a Dietitian-Nutritionist and runs her private practice in Neo-Psyhiko. She studied in the Department of Nutrition and Dietetics at the Alexander Technological Educational Institute in Thessaloniki and, after about two years, completed her postgraduate studies in England with an MSc in Sports and Exercise Nutrition. She specializes in Counseling, Weight Management, Clinical and Sports Nutrition, as well as Nutrition Education Programs for children. She has participated as a speaker at football academies in collaboration with OPAP, as well as in primary schools, presenting the importance of healthy and balanced nutrition. Additionally, as a member of the Hellenic Scouts Corps, she contributed to the development of an educational module for adult leaders of the Hellenic Scout Corps focused on “Nutritional Education for Children and Adolescents.” In the context of continuing education, she attends seminars on the psychological approach to dietetic practice to ensure excellent communication with clients and proper modification of dietary behavior as a method of weight loss. Wishing to further integrate the approach of nutrition and psychology, she completed the NLP Wellbeing Diploma by INLPTA, which focuses on training the mind to achieve lasting change. In her private practice, she provides modern services, individualizing each case and approaching it with accuracy, respect, and professionalism.

Aggelaki Ioanna is a Dietitian – Nutritionist and operates a private practice in Thessaloniki. She is a graduate of the International Hellenic University (DI.P.A.E.), specializing in Eating Disorders through training from the National Centre for Eating Disorders (NCFED). She provides personalized nutritional programs tailored to the needs of each individual, aiming to improve health, well-being, and the relationship with food. Additionally, she offers online sessions, supporting individuals from all over Greece and abroad. Currently, she is completing her Master's degree in Clinical Nutrition at the International Hellenic University. She has previously worked in a private dietetic office, as well as at the IASEIO Polyclinic, where she provided nutritional support and guidance to patients, gaining valuable clinical experience in the individualized management of nutritional needs. At the same time, she has actively participated in a research program at AHEPA Hospital focused on sarcopenia and heart failure. She regularly attends scientific conferences and nutrition workshops, continuously investing in her professional development. Her approach is personalized, scientifically substantiated, and focused on sustainable habit change, without restrictive diets, aiming for a balanced and healthy relationship with food. If you wish to acquire the knowledge and tools to eat healthily, consciously, and autonomously, you are in the right place. My goal is to guide you in creating a balanced relationship with your food and body through a personalized approach and scientifically grounded guidance.

Dr. Georgiou Aleksandra MSc, PhD is a Clinical Dietitian - Nutritionist providing dietetic services at her private practice in Alimos since 2015. She holds a PhD and is a Scientific Collaborator at Harokopio University, with postgraduate and doctoral specialization in Clinical Nutrition, focusing on the nutritional management and treatment of diseases such as cardiovascular disorders, liver diseases, diabetes mellitus, nephropathies, among others. Throughout her studies, she was a scholarship recipient of the State Scholarship Foundation. She has worked as a collaborator at the Children's Hospital "Agia Sofia," offering dietetic guidance to children and adolescents with increased body weight, a service she continues to provide to children and their families at her private practice. Since 2014, she has concurrently worked as a scientific collaborator at Harokopio University, participating in the design and implementation of prevention programs and the assessment of phenomena and diseases related to nutrition, such as childhood obesity, diabetes mellitus, liver cirrhosis, etc. Additionally, she holds specialization as a Sports Nutrition Specialist under the auspices of the International Society of Sports Nutrition, providing nutritional support to athletes and exercisers. Her philosophy of dietetic monitoring is the design of individualized programs based on the needs, lifestyle, and dietary preferences of the patient.

Kleiasios Panagiotis - Nutriedition is a Clinical Dietitian-Nutritionist with the private dietetics and metabolism center Nutriedition in Ilisia. He holds a master's degree in applied dietetics with a specialization in nutrition and exercise from Harokopio University of Athens and a degree in dietetics-nutrition from the same university. At his private practice, personalized nutrition programs are provided for athletes as well as for children and adolescents. Additionally, nutritional programs are offered following specialized measurements aimed at reducing body fat, increasing muscle mass, as well as reducing, increasing, or maintaining body weight. Furthermore, nutrition programs are provided to address pathological conditions such as gestational diabetes, neurological diseases, cardiovascular diseases, hypertension, obesity, dyslipidemia, and gastrointestinal problems. Finally, the primary goal of the center is to offer prevention and management services, as well as a decisive contribution to improving the quality of life for individuals of all ages through specialized programs and reliable dietary advice from the nutritionist.

Panou Argyro is a Dietitian - Nutritionist and operates a private practice in Ano Toumba, Thessaloniki. She is a graduate of the Dietetics - Nutrition department of the Thessaloniki Higher Technological Educational Institute and is a member of the Hellenic Association of Dietitians - Nutritionists. In her private practice, she offers a wide range of services, tailored to the individual needs of each client. Additionally, Ms. Panou is a collaborator with DNA Therapeutics. Nutrigenetics studies how an individual's genes influence their response to foods. By investigating a person's genetic profile, valuable information is obtained, such as their response to proteins, carbohydrates, and fats, their sensitivity to salt, alcohol, and caffeine, or their ability to absorb vitamins. Through the analysis of this information, personalized diets are designed with the goal of weight loss, prevention of specific nutrition-related diseases, or improvement of physical performance.

Olga Kakoulidi is a Dietitian - Nutritionist who maintains a private practice in Neos Kosmos. She holds a degree from the Department of Nutrition and Dietetics at the Thessaloniki Higher Technological Educational Institute. She has completed further training with an emphasis on communication skills, participated in the counseling skills program "Beyond the Limits of Diet," as well as in the program for the investigation, identification, and treatment of eating disorders at the Psychoanalytic Research Center of Athens. Additionally, the Dietitian - Nutritionist regularly attends conferences, workshops, and seminars to stay informed about the latest developments in her field. In her private practice, she provides specialized dietary programs for adults, the elderly, athletes, children, and adolescents, and is capable of managing numerous conditions such as obesity, hypertension, and diabetes mellitus. Finally, her primary concern is to achieve the visitor's goal without the feeling of deprivation.

Papavasileiou Georgia is a Dietitian - Nutritionist and maintains a private practice at Mavili Square. She holds a degree from the Department of Dietetics and Nutrition Science at Harokopio University and graduated with honors from postgraduate studies in the "Science of Stress and Health Promotion" at the Medical School of the National and Kapodistrian University of Athens.

She specialized in nutritional intervention with a psycho-educational approach and in modifying dietary behavior in adults living with obesity. In 2017, she obtained the Adult Educator Educational Adequacy title from EOPPEP. Furthermore, she continues her postgraduate education in the field of Clinical Nutrition through the lifelong learning program of ESPEN "Life Long Learning Programme on Clinical Nutrition and Metabolism" and possesses extensive experience in clinical cases.

She collaborated and trained for three years in the Diabetology Department of the Endocrinology, Metabolism and Diabetes Unit of the 1st Pediatric Clinic of the Medical School of the National and Kapodistrian University of Athens at the "Agia Sofia" Children's Hospital. She worked on the Endorse program collaborating with families of children with Type 1 Diabetes. Currently, she follows several families of children with obesity and diabetes mellitus.

Mat Nutrition - Matatsi Euaggelia is a Dietitian - Nutritionist who maintains her private practice in Edessa and also holds appointments in Athens, in the area of Dafni. She is a graduate of the Department of Nutrition and Dietetics at the Higher Technological Educational Institute of Larissa and completed her internship at the University General Hospital of Athens "Alexandra," where she gained experience with clinical cases as well as in the areas of breastfeeding and nutrition during pregnancy. Additionally, she successfully completed the Specialization Program in Eating Disorders and Obesity (Master Practitioner Programme in Eating Disorders & Obesity) at the Center for Education and Treatment of Eating Disorders (KEADD), under the auspices of the National Center for Eating Disorders of Great Britain (NCFED). She attended the training seminar: "Specialist in Sports Nutrition" by the scientific team of the Ergometric Center for Nutrition & Exercise "Peak Performance," as well as the Educational Seminar "FODMAP Diet Regimen" by the scientific team of epimorfosi.eu. Since then and up to the present, she has been actively involved in the field of nutrition, delivering educational presentations on nutritional education to groups of children and sports clubs primarily in the Edessa area. Since 2019, she has maintained her private practice "maΤ.Nutrition" in Edessa, and from 2025 she also holds appointments in Athens. Ms. Matatsi believes that balanced nutrition is a lifestyle change and not simply a “magic” solution that will make you thin or muscular. Every individual is unique, and only when they find what suits them will they be able to achieve their goal. Nutritional education is the key to a healthy mind and body.

Rabbah Tania is a Dietitian - Nutritionist and runs a private practice in Agios Dimitrios. She completed her studies in the Science of Dietetics and Nutrition at the Harokopio University of Athens, has received training in Emotional Eating, Mindful Eating, and Motivational Interviewing, and was awarded a scholarship by the Greek Embassy of Lebanon. She has extensive professional experience.

Through her approach, she supports individuals who struggle with emotional eating, feel exhausted by endless cycles of weight gain and loss, or simply wish to manage their nutrition without strict dieting plans.

She focuses on helping individuals identify the underlying mechanisms that lead to overeating and how to effectively address them. In addition, she helps people develop mindful and intuitive eating habits, prepare for challenging situations, set realistic goals, and manage food cravings effectively.