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Here you will see all the Success-Stories of our students. This is the Dia Gerontoudi Prep Center Hall of Fame, which features alumni from all of the world’s top universities. This is no coincidence, as we are the only boutique postgraduate preparation centre in Greece. In our centre we dedicate to each and every one of you the time that he/she deserves. You are all important which is reflected in our successes. On the map you will see the over 230 universities around the world where our students have studied or are studying and some of their most important stories!

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Evita Nikitara

MSc in Accounting, Auditing and Control, RSM University / AUEB Accounting and Finance

Dia Gerontoudi Prep Center is definitely the best choice for someone who wants to take GMAT/TOEFL courses. Dia does an awesome job and really cares about her students . She and her colleagues are very experienced and qualified. I definitely recommend Dia’s Prep center !
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Maria Koutsogiorga

Advisor at Ernst and Young, Athens GR / MSc in Financial Economics, Rotterdam School of Management, Erasmus University / Economics, Pireaus University

Choosing the specific tutoring school in order to achieve your goals is the best solution because the experience and knowledge of Mrs. Dias Gerontoudis and Mr. Thomas Kalandranis prepare you properly and offer you security and confidence.
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Stathis Karapanos

Music Studies, Hochschule für Musik Karlsruhe, Germany

I am very delighted to have had the chance to learn and develop under the supervision of Ms. Gerontoudi and the staff of Dia Gerontoudi Prep Center. Both she and her colleagues inspired me from the very beginning and I am sure that they can and will inspire everyone that they work with.
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Panos Pitsillides

Commercial Excellence & Finance Director, Johnson&Johnson, Athens GR / IE MBA, Spain / Master in European Multicultural Integrated Management Economic Univ. of Krakow / BA Economics Essex

Excellent professional services, from experienced and friendly staff. It is definitely the best choice for anyone who targets high scores ! 100% recommended. Thanks Doctor 🙂
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Kostis Petkos

MRes in Bioengineering, Imperial College London / Electrical Eng. Aristotle Univ. of Thessaloniki

Dia Gerontoudi Preparation center is a place you can find a friendly environment and great support not only for your English or Math exams but also for your personal statements and CV. Today as an MRes postgraduate student at Imperial College London in Bioengineering
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Thanasis Giakos

Associate Broking Director – Marine, Asia at Aon, Singapore / MSc in Maritime Economics, and Logistics, Erasmus University / Management Science & Technology AUEB

Mrs Dia manages to discover ones weakness and transform them into strengths ! Moreover, she is not only focusing to results but prefers providing high quality education, in any way possible. I will always remember our conversations..
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Dimitris Zeritis

Co-Head of Business Development at Zeritis Group / MSc in Strategic Marketing, Imperial College London / Management Science and Technology AUEB

Dia Gerontoudi Prep Center provides candidates with unique guidance, especially in the verbal section of the GMAT. With Dia’s help I managed scoring a 700 on my GMAT, which got me to Imperial!
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Alexandros Kokkoris

Admin/Finance Associate at UNHCR, the UN Refugee Agency, Athens GR / MSc in African Studies, University of Edinburgh / BA Political Science and History, Panteion Univ.

Dia Gerontoudi Prep Center is a friendly environment that meets very high professional standards. With highly experienced and qualified staff that ensures to provide the necessary knowledge assets and valuable advice, it is definitely the best choice for students to help them achieve their goals.
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Agathoklis Andrianos

Marketing & BI Excellence Manager at Centrient Pharmaceuticals, Rotterdam NL / MSc in Biology and Science-based Business, Universiteit Leiden, Netherlands / Biomolecular Sciences and Biotechnology Univ. of Crete

I highly recommend Dia Gerontoudi Preparation Center for plenty of reasons. To begin with, D. Gerontoudi’s center is more than a technocratic tutorial center. In my experience, it is a vivid advising and mentoring source, run by great and inspiring personalities, with excellent teaching skills and thorough knowledge on how to prepare a candidate in all levels.
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Charis D. Stengos

Industry Solutions Executive | Government | Public Sector | CEE at Microsoft, Bucharest, RO / ΕSADE MBA, Spain / MSc Services Management AUEB / Business Administration AUEB

The choice of the tutoring school should not be based on standardized marketing campaigns or alternatively the cheapest offers. When you want to invest in your future, the only way to make the right choice is through successful examples of your personal friends (WoM).
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Areti Kornelaki

Senior Sales Manager, Korplast / MSc in Global Supply Chain Management, Cass Business School / Political Science and Public Administration EKPA

Dia Gerontoudi Prep Center is not only about the structured, gap filling, perfectly time managed learning process. It’s more. A venue that fosters improvement, beyond learning. Full with people who have the experience and the holistic knowledge to identify capabilities you didn’t even know you had, and encourage you to pursue your development.
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Dimitris Deventzis

Research Analyst at Bank of America, Merrill Lynch, London UK / MSc in Banking & Finance, St. Gallen, Switzerland / GMAT 710

Ms. Gerontoudi fully covers the candidate’s needs throughout the application process due to her chronic engagement with the GMAT test, due to her academic culture and due to her strong interest in the student’s progress.
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Dimitris Drougkas

Senior Analyst, EY / Google Policy Fellow 2013 at Bruegel / MSc in International Economic Policy, Sciences Po Paris / Political Science and Government Panteion University

Dia Gerontoudi, with her professionalism, knowledge, dedication to the student and her quality as a person, contributed decisively to my personal professional success. I thank her from the bottom of my heart
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Apostolos Pantelis

Assistant Manager – Risk Advisory, Deloitte, Athens GR / MSc in Risk Management, ALBA / Electrical Engineering NTUA

Mrs. Dia Gerontoudi is an amazing person and professional. With her personality and advice she helped me overcome my weaknesses and give my best to achieve my goals.
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Hara Andriakopoulou

Biostatistician at Frontier Science Foundation-Hellas, Athens GR / MSc in Biomedical Engineering, DELFT University of Technology / Diploma in Applied Mathematics, NTUA

I would like to thank Mrs. Gerotoudi from the bottom of my heart for her valuable help in making my dreams come true. Her knowledge and experience were very important to me as she guided me and helped me through a difficult period for me and critical for my future.
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George Stratigis

Project Leader at Boston Consulting Group, Athens GR / MBA, INSEAD / Master of Engineering in Electronics and Electrical Engineering Univ. of Edinburgh

While preparing for my MBA, I was fortunate enough to have Mrs Gerontoudi and Mr Kalandranis as my tutors. Dia’s tuition methodology is beyond any doubt excellent. Her systemic approach helped me consistently deliver top grades on GMAT practice tests, as well as the actual exam.
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Lena Karkantzou-Dioskouridou

Perhaps it is strange among the comments of students to write a mother. I do it, because I want to say a big “thank you” to the person who taught, helped, inspired, and correctly guided my children on the way to their goals.