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!
Nikos Goutzoulias
Dia Gerontoudi Prep Center was my first choice when it came down to start the formal preparation
for my Computer Science Masters applications to some of the world’s most competitive
universities. The application process can seem daunting at first, so I approached it by breaking it
down into manageable parts and identifying areas where I needed improvement.
Feli Oikonomopoulou
MBA, Yale SOM ’24, Dean’s Scholar / VP at Bank of America, London / LLM Oxford / LLB NKUA / GMAT 730
When I first considered applying to MBA programs, I could not imagine how challenging this process could be. Attending classes with Dia Gerontoudi Prep Center armed me with the knowledge and confidence to achieve a high score in the GMAT exam and be admitted to top universities, including Yale SOM, which I finally attended on a merit-based scholarship.
Alex Angelopoulos
Harvard MBA ’24 / Diploma in Mechanical Engineering, NTUA / GMAT 740
Yet after a few months alongside her guidance, I managed to score 40 (91st percentile) which boosted my overall performance significantly alongside my Quant score.
Menelaos Alexandrakis
MPP, Harvard Kennedy School / BSc in Business Administration, Fordham University
When I started taking courses for the GRE at the Dia Gerontoudi Prep Center, I was quite stressed out. Memories of last-minute undergraduate applications flashed back; I wanted things to go differently this time. Thanks to Dia and her team, they did.
Ilias Eliezer
Master of Financial Engineering MFE, Anderson School of Management, UCLA / BA in Economics, Math, University of Maryland / HAEF / GMAT 760
When I returned to Greece in the summer of 2021 to serve in the military, I felt overwhelmed. This sense of dysphoria, accompanied by the fact of not knowing what to expect from the GMAT exam, for which I was planning to study while doing my military service, eroded my confidence.
Vassilis Koutsoumpas
Georgetown University, MPP (‘24) / City of Athens, Policy Advisor / Co-Founder-Executive Director WeFor / LLB-LLM DuTh / 2nd General High School of Livadia
As one scrolls down this list, one can’t help but be impressed by the success stories of young people from all over Greece. Their journey towards their goal has been an accumulation of hard work, discipline, and a compelling narrative that made them stand out. I am filled with joy and humility to be included among them.
Vasilis Mantzios
Harvard MBA 23′ / MEng in Chemical Engineering, University of Bath / GMAT 700
When I decided to pursue an MBA, I knew that everything starts with the GMAT.
Working with Dia for my GMAT was absolutely the right decision and I have only positive things to say about her methodical working methods.
Dimitris Frouzis
Columbia MBA 23′ / Business Analyst, Mc Kinsey & Co / BSc in Management, Science and Technology, AUEB
In such exhausting journeys, as the one of MBA applications, especially when combined with demanding occupation, selecting the right ‘team’ around you is pivotal to success. The importance of great GMAT tutoring is incredibly valuable (one can definitely find it at this center), but Dia Gerontoudi Prep Center is much more than that.
Maria Stavridou
MPH, Global Health, Harvard T.H. Chan School of Public Health / Economic Advisor at Department of Health and Social Care, UK gov. / MSc in Economics, University of Warwick / AUEB Economics
Contacting Dia Gerontoudi Prep Center was one of the first things I did when I started thinking about applying for a Master of Public Health (MPH) program at top universities including Harvard, Hopkins, Columbia, Yale, etc. Having worked with Dia and Thomas 8 years ago on the GRE and IELTS exams and my MSc admissions…
Maripeny Kouskouki
MSc in Orthodontics and Dentofacial Orthopedics, Eastman Institute for Oral Health, University of Rochester, NY / NKUA Dental School
In order to achieve my goal, I needed the appropriate guidance and preparation. The professionalism of the experienced team of Dia Gerontoudi Prep Center was my best teammate throughout the application process.
Giannis Froussos
LBS MBA 24′ / MEng in Civil Engineering NTUA / HAEF
Ever since I set my eyes on an MBA degree from the London Business School, I knew it wouldn’t be an easy task. As such, I needed the best guidance and preparation possible, and that is what I ultimately found at Dia Gerontoudi Prep Center.
Simos Galatis
MFA 23′, London Business School / BSc in Accounting and Finance, AUEB
Pursuing a master’s degree in Finance, I knew that the GMAT exam was an integral part of the application process. Choosing to prepare at Dia Gerontoudi Prep Center played a crucial role in the success of my applications; I will never forget the day I received an offer from London Business School for the Masters in Financial Analysis Programme.
Spyros Tsaousis
MiM, London Business School / BSc in Economics, AUEB / GMAT 710
A solid GMAT score and well-constructed essays were key to achieving my academic aspirations. It was a privilege to tackle this rewarding journey alongside the team at the Dia Gerontoudi Prep Center.
Nick Karouzakis
MEng in Civil Engineering, NTUA / MSc in Management of Information Systems and Digital Innovation , LSE
Ever since I can remember, my ambition was to pursue my master’s degree at London School of Economics and Political Science. To succeed, I knew that I would need the appropriate guidance. I needed someone who would be able to understand my vision and help me translate it into a powerful personal statement.
Achilleas Valozos
Master of Management, UBC Sauder School of Business / BSc in Mathematics, Aristotle University of Thessaloniki
When I decided to apply for the Master of Management at UBC Sauder School of Business I knew that choosing a team distinguished by its professionalism and strong work ethic to assist me with both the GMAT test and the application process would be the key factor that would help me achieve my goal.
Spyros Terlemes
BSc in Math and Physics, Princeton University, Scholarship
Receiving the acceptance decisions from Princeton and Yale was really one of the happiest moments of my life. It was a success moment that beyond my family and school, I owe it to Dia Gerontoudi Prep Center! During my SAT preparation process, I had the opportunity to be taught by an amazing teacher, Dia Gerontoudi…
Fanis Papanikolaou
MSc in Financial Data Science, University College Dublin Smurfit Business School / BSc Banking and Finance, Piraeus University
Dia Gerontoudi Prep Center is the obvious choice for anyone looking to further their studies. More so if you need guidance and are unsure about what and where you want to study. The entire team consists of absolute professionals, who know the “market” more than anyone.
Stella Roussou
LL.M in IP & Technology Law, IE Law School, Madrid / Trainee Lawyer at A.Papapanagiotou IP & IT Law Firm / LL.B NKUA / Vice President in charge of Marketing – ELSA Athens
The entire team at the Dia Gerontoudi Prep Center” is equipped with the appropriate knowledge and experience to guide you and help you achieve your academic goals. Mrs. Dia, with her knowledge and determination, manages to integrate you smoothly into the demanding GMAT preparation, while Mr. Kalandranis…
Maria Nefeli Bernitsa
MBA INSEAD ‘22 / LLB UCL / Senior Associate at Silver Circle law firm, London / GMAT 710
Working with the Dia Gerontoudi Prep Center was the single most important decision in my MBA journey and the key to getting into my school of choice.
Aliki Lavda
Master in Management, HEC Paris / Diploma in Chemical Engineering / GMAT 730
During my preparation for a Master’s Degree, one of the challenges that I had to face was how to accurately present myself and my achievements in my personal statement.
George Sarantis
Hellenic Dairies S.A. / London Business School MBA 23′ / BSc in Business Administration, AUEB / GMAT 690 / IELTS 8
Every MBA journey starts with the GMAT exam. This is not optional, this is mandatory. However, it is up to you to choose the right people to walk you through the path of success.
Christos Tsagkalidis
INSEAD Executive MBA 23′ / Philip Morris International / MSc in Mech. and Industrial Engineering, EPFL / Diploma in Mech. Engineering, AUTH
During my preparation for an Executive MBA in Europe, I had the chance to work closely with Thomas Kalandranis, who helped me during the preparation of my application essays and interviews. Thomas brought a pragmatic and executive angle that drove my “stories” to the next level.
Haris Fragoulis
MBA, London Business School / MSc in Finance, Cranfield / Diploma in Mech. Engineering, NTUA / GMAT 710
Applying for MBA programs is a time-consuming and extremely demanding process, especially for working professionals. Choosing Dia for my Verbal GMAT preparation was a great opportunity to accelerate my learning curve, build a solid reading strategy plan, and meet strict deadlines for leading US and European business schools.
George Andreadis
Master in Business Analytics 2021, Columbia Eng. School / Diploma in Naval Arch. & Marine Eng., NTUA / GRE Q163/V154 / TOEFL 111
After the first moments of my conversation with Mr. Kalandranis, I figured out that Dia Gerontoudi Prep Center was the right place for me to begin my journey towards a Master’s degree in the US. Besides providing me with the flexibility I needed during my service at the Hellenic Navy, they got to know my personality and listened to my story, while carefully guiding me through the next steps.
Nikos Katsanevakis
Master in Financial Analysis, LBS / BSc in Banking and Financial Management, University of Pireaus / GMAT 720 / IELTS 8
Getting admitted to the Masters in Financial Analysis of London Business School was my goal since the second year of my undergraduate studies. I knew that a high GMAT score would be necessary to achieve this, as the MFA constantly had a class average of over 710. Everyone at Dia Gerontoudi Prep Center was instrumental to my success, helping me score a 720 in GMAT and an 8 in IELTS.
Spyros Mexas
MSc in International Finance, HEC Paris / BSc in Mathematics, NKUA / GMAT 700 / IELTS 8
Aiming for a top-10 Master in Finance programme, I knew that I would come across many challenges, such as the GMAT, the IELTS and the interviews. I am very happy to have chosen Dia Gerontoudi Prep Center to help me during this difficult and stressful process.
Dimos Praskidis
INSEAD MBA, Diversity Scholarship / Diploma in Civil Engineering, AUTH / GMAT 730
Everybody knows the crucial importance of GMAT when aiming for a spot in a top business school. Choosing the right team to train and guide you through this stressful procedure is the first step towards success.
Vangelis Viskadouros
MSc in Data Science for Business, HEC Paris joint Degree with Ecole Polytechnique / Diploma in Civil Engineering, NTUA
The whole process of pursuing postgraduate studies after NTUA, from choosing programs to application submission and interview attendance, is a painstaking task that requires a lot of effort and passion to turn out successfully.
George Manalis
MSc in Finance 2022, University of Illinois at Urbana Champaign / BSc in Bus. Administration, University of Piraeus / Intern at PWC
My journey towards my MSc began by choosing the right prep center for GMAT and IELTS exams. I am very delighted to have had the chance to have been tutored by Ms. Gerontoudi, Mr. Karalis and Mr. Kalandranis, who proved themselves a very vivid source of mentoring and advising.
Sotiris Valozos
BSc in Mathematics, Aristotle University of Thessaloniki / Master in Business Analytics, University of British Columbia (UBC), Sauder Business School
Choosing the right team to help me with both the GMAT test and the applications process was a defining factor for my admission to the UBC Sauder School of Business. That is why I am really grateful that I chose Dia Gerontoudi Prep Center for this demanding and stressful process.