Our Team

We are based in the Republic of Malta, while holding additional offices in Germany, and in the Slovak Republic. ​

Prof. Dr. med. Wolfgang F. Buhre

Dean of the Faculty of Medicine and Health

Prof. Dr. med. W. Buhre became EDU’s second dean of the Faculty of Medicine and Health in May 2021. Prof. Buhre’s medical career spans almost 30 years with a significant focus on research in the areas of cardiovascular anaesthesiology, optimised care pathway for high-risk patients, process optimization in academic medicine, and information technology. As of January 2020, Prof. Buhre has also held the title of director and founding chair for Maastricht University Medical Centre’s (MUMC) Centre for Acute and Critical Care (Netherlands). Prof. Buhre has been a well-regarded professor of anaesthesiology within MUMC’s Department of Anaesthesiology and Pain Medicine since 2013. 

Dr. Jürgen Laartz


He is a retired Senior Partner (Director) with McKinsey & Company, Inc. At the firm, Mr. Laartz lead McKinsey's digital practices in Scandinavia and Germany, and shaped the firm's global knowledge agenda in the field. He initiated research collaborations with Oxford University, MIT, ETH Zurich and HSG Sankt Gallen. Dr. Laartz supported clients in diverse industries on their digital and technology induced business transformation. Before joining McKinsey, Jürgen Laartz studied Chemistry and Philosophy at Tübingen University, followed by Physics and Philosophy at Tübingen and Kiel University, he concluded his academic career at Harvard and Freiburg University, where he gained a PhD degree in Physics.

Alexander Jahn

Founder of CANDENA

Today the market-leading enterprise solution provider for collaborative online learning systems in Europe. As CANDENA's Managing Director Alexander Jahn built the multi-awarded digital education delivery system which is now servicing clients and partners such as OECD, WHO, Deutsche Telekom AG, Goethe Institut, among others. Previously, Alexander Jahn was Vice President Digital Media at Bertelsmann Inc., San Francisco, where he built and led Bertelsmann's Corporate Strategy unit in Silicon Valley. A founder by heart, Alexander started his career building ventures in media printing and distribution. Educated at CAU Kiel and Warwick Business School, UK, Alexander Jahn is currently teaching Managing Innovations at Leuphana Universität Lüneburg and supports startups in Europe and Asia as active early stage advisor.

Alexandra Cosma

Chief Operating Officer

After holding multiple and varied roles within EDU and candena, Alexandra now serves as the Chief Operating Officer of EDU. In this role, she leads operations, technology, commercial and programme development. Alexandra (Top 100 Global Leaders in Education 2019) focuses on developing novel ways for technology to open access to quality education worldwide and to leverage didactic innovation in novel ways to serve learners. Previously, she was active in the 3D-printing and luxury fashion industry, where she co-founded and exited a curated jewellery platform focused on the CEE market. Alexandra studied Internal Business Administration and Corporate Law, followed by Business Consultancy with a specialization in Corporate Finance in Vienna, Austria.

Johannes Wöhler

Chief Technical Officer

Previously, he worked for SAP as Vice President and Chief of Staff in the SAP HANA Platform and Databases unit. Joining SAP in 1997, he held various roles in development as well as in SAP’s Corporate Strategy Group. Johannes studied Computer Science at the Technical University of Munich.




Previously, Iveta was academic director and later managing director of one of the biggest language schools in Slovakia and worked as teacher, teacher trainer and soft-skills trainer with various language institutions. Iveta studied International Relations at the University of Economics in Bratislava and did a Master Programme at the University of Economics in Vienna. She obtained her PhD Degree in International Business Relations at the University of Economics in Bratislava. She is also a CELTA qualified language instructor.

Michael Graham

Head of Operations

Michael works very closely with all teams at EDU focusing on optimizing processes, streamlining workflows and helping achieve EDU´s goal to expand on and transform the global health workforce. Michael has previous experience in the food process industry, banking, advertising and education, focused primarily on operations. Michael holds a Bachelor of Science in Business Administration from Kansas State University.


Kari Dreyer

Content Production Lead

Kari works on content strategy and production, helping EDU develop a dynamic, engaging, and scalable student learning experience. Previously, Kari worked in education-focused non-profit and social enterprise settings in Toronto and London, as well as on digital programme development and delivery for organisations such the OECD, WHO, and Bundesagentur für Arbeit. She studied Equity and Philosophy in Toronto, with a focus on gender and mental health.

Tobias Dietrich

Head of Student Management

After holding the position of COO at Candena GmbH. Before joining Candena, Tobias worked in the M&A department of a leading medical wholesaler and supported company transactions in Europe and in Brazil. He gained practical experience at consultancy firms Roland Berger Strategy Consultants and Siemens Management Consultants. Tobias studied business administration and electrical engineering at the Technical University of Munich (TUM), as well as at Shanghai's Jiao Tong University.

Dr. Hana Hybasek Dzurikova, MRCVS

Curriculum Developer

I graduated from the University of Veterinary and Pharmaceutical Sciences in Brno, Czech Republic, in 2013. After obtaining my medical degree, I moved to the UK, where I practiced medicine for almost 5 years with main focus on general surgery. During my clinical years I also worked as a Clinical Coach and I particularly enjoyed this experience. In October 2018 I joined the EDU team, first as an Online Tutor, moving to the Curriculum Team 8 months later. My passion lies in all aspects of medical education and curriculum development. I also have a keen interest in One Medicine and further development of One Health concept and systemic approaches to health and well-being.

Federico Arevalo

Content & curriculum manager

Specialized in Psychiatry and, prior to joining EDU, worked as an adult and child and adolescent psychiatrist and psychotherapist for 8 years in the Spanish public health system and in the private sector. During this time, he taught and mentored medical residents and students. In addition, he attended several courses in psychoanalytical psychotherapy in the US and Spain.

Dr. Timotej Pazitny


Dr. Timotej Pazitny studied general medicine at Masaryk University´s Faculty of Medicine in Brno, Czech republic. He has experience with teaching chemistry, physics, biology, medical chemistry and anatomy, including creating a variety of study materials for these subjects. He is currently working at EDU as an online tutor based in Bratislava, Slovakia.

Valeriia Chelpan

curriculum developer

Valeriia completed her MD degree at the leading medical school in Ukraine - Kyiv National Medical University. After graduation, she received her qualification as an emergency physician, having completed the corresponding practical internship programme. She had built up significant clinical experience in her three years at the Centre of Emergency and Disaster Medicine of Ukraine, when she moved to Slovakia to join the EDU team based in Bratislava as an Online Medical Tutor in November 2018. After a year of tutoring, she then moved to the Curriculum and Medical Didactics Team, where she is involved in the development of educational programmes, processing educational materials, creation and implementation of student assessment. She has recently been appointed Head of Assessment at EDU.

Matt Rai

Curriculum and Medical Didactics team member

After graduating with BSc (Hons) in Human Biology, Matt enrolled in a post-graduate Physician Associate training at University of Birmingham in the UK. In this programme, he obtained first-hand experience of problem-based learning and case-based learning which sparked an early interest in medical education. Through his studies, he was presented with an award for professional development and continues to be an ambassador for the profession to this day. After qualifying, he spent three years working in general practice, where he discovered an interest in minor surgery, having trained at the Royal College of General Practitioners in London. He also spent time developing as a clinical teacher and supervisor. In 2019, Matt joined the EDU team in Bratislava and works on curriculum and assessment development. Recently Matt published an article in a Slovak medical paper on the emergence of EDU as an online medical Institute of Higher Education.


Salim Nassim

Software Developer at DEH

With a passion for computer science and user experience. He previously worked as a Technical Project Manager at a Finnish IT service provider specializing in systems architecture, virtualization and project management.

Tibor Sator

Mentor (Community Manager)

Tibor earned his MA in Physical Education and English Language at the Commenius University in Bratislava. After graduation, he became a certified fitness coach and English teacher at private language schools. Tibor also took several courses on mental coaching and peak performance coaching. Before joining Candena he worked as a managing director at a language school.

Tatiana Bugaeva

Academic support

Tatiana works closely with the teaching staff and provides academic support both to the internal and external trainers. Her role helps to ensure the quality of education remains at the highest level possible. Before joining EDU Tatiana had been in the education field for 12 years providing training to adult learners. Tatiana holds a degree in Linguistics and a teaching qualification from the Cambridge University.

Dr. Timotej Pazitny


Dr. Timotej Pazitny studied general medicine at Masaryk University´s Faculty of Medicine in Brno, Czech republic. He has experience with teaching chemistry, physics, biology, medical chemistry and anatomy, including creating a variety of study materials for these subjects. He is currently working at EDU as an online tutor based in Bratislava, Slovakia.

Mihai Balint


Mihai graduated from the Comenius University in Bratislava in the field of psychology with a focus on counselling and pedagogy. His formal training led him to a career in the corporate environment where he worked as a learning and training facilitator, conducting interactive sessions and workshops aimed to improve the communication skills of his students. He then went on to occupy a supervisory position in the banking sector where he carried out one on one guidance and put together individualized improvement plans. By closely monitoring the employees’ performance, he successfully enhanced their productivity and ability to reach their professional goals.

Katherine Burns

Instructional Systems Designer | Quality Assurance Manager

Katherine’s background contains a range of international experience and roles in the fields of education and healthcare. Professionally, she has previously provided consulting, program and assessment development, and curriculum design, most notably with Vanderbilt University Medical Center, Kijabe Hospital and Lwala Community Alliance in Kenya, and through various EdTech companies across China and the US. Katherine holds an M.Ed in International Education Policy & Management from Vanderbilt University’s Peabody College as well as a BA in Biological Sciences from the University of Chicago.

Brian Webber


Over the last 16 years Brian has taught and trained students from all over the world. Based in Slovakia, he has extensive experience with in-company English language training and examining, particularly in the area of ESP (English for special purposes). Before joining EDU, Brian worked for Essex University in the UK teaching Academic English to master’s degree students from abroad. This involved helping them to improve their academic reading, writing and presentation skills as well as helping them to adjust to the UK higher education environment. He also spent two years teaching technical English in the Middle East and has presented at several TEFL conferences in Slovakia and the Czech Republic. Brian has a master’s degree in Forensic Linguistics as well as the Trinity Dip. TESOL postgraduate teaching qualification. He has a particular interest in developing student-centred and communicative approaches to training online.

Aristos Karabelas

Customer Success Manager

As a member of the commercial team at EDU, Aristos is responsible for the sale's funnel at EDU. This ranges from leads nurturing to the final sales call. Aristos is working in close cooperation with the marketing and admissions teams to ensure processes are constantly improved to achieve the best possible results. Previously, Aristos has worked for multinational companies in Germany, the Netherlands and Greece and has experience in the automotive, airline and insurance sectors where he worked in product management, employer branding and marketing roles. He holds a degree in communications from the University of Leeds and an MBA.

Astrid Schwaner

Instructional Designer

As part of the Instructional Design team, Astrid focuses on collecting and evaluating student feedback to support all teams in improving EDU’s student experience. Before joining DEH, Astrid worked in privacy consulting for digital businesses, in publishing, media, and event organisation in Germany and France. Next to her role at EDU, she is writing her doctoral thesis in contemporary literature at the University of Göttingen and teaches at the University of Lüneburg. Astrid studied Literature in Göttingen and Paris.

Ariadna Razaseanu

Human Resources Manager

Ariadna joined the DEH team with a master’s degree in Human Resources Management. She started as the Event & Communication Manager and then transitioned into her current HR role. Ariadna brings over 4 years of experience acting as a country & marketing manager for an international recruitment agency. This experience made a significant contribution to her current role, where she liaises effectively with the team members on constant basis, and is the main contact person for those interested in joining our team.

Harun Köktürk


Previous to his time at Candena GmbH and DEH, Harun worked in the multidisciplinary fields of Art and Design in the past years. Mostly focused on the digital side while holding a Graphic Design BA from DEU, Faculty of Fine Arts in Turkey. Experienced in working with many international and personal projects in the fields including UI/UX Design, Branding, Interaction Design, Illustration, Augmented Reality, Editorial Design, Art Direction as well as organizing and taking part of leading Culture & Arts events of Turkey.

Lucía Sancho

Content Producer

As a member of our marketing team, Lucía’s goal is to help EDU’s brand stand out. She holds a master’s degree in Media and Creative Industries where she puts her knack for design and communications to great use. With her previous experience in marketing, content production and copywriting, she is closely and creatively developing all types of media content for our main channels.

Yevgeniya Kobtseva

Operations Manager

As part of the operations team, Yevgeniya takes care of course production and operation activities working closely with Curriculum and Teaching Teams. Yevgeniya has previously worked in FMCG and Financial industries. Yevgeniya holds MSc in International Digital Business Management from Berlin School of Economics and Law and BSc Hons in Banking & International Finance from Cass Business School.