What we offer

Our services

ZAK is providing services in the entire area of clinical research development in Europe. We are ready to share with you more than 20 years of experience in clinical research and regulatory affairs in order to ensure the success of your projects!

If you are looking for professional support, we will find solutions which meet your interest, budget and internal resources!

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Clinical Operations

Clinical research services in all phases of clinical development. Effective and efficient study management with a dedicated study team to ensure the success of your trials.

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Regulatory Affairs

We at ZAK continuously keep up to date with the regulatory policies and procedures and attach great importance to the understanding of the scientific and technical background of the medical products we are in charge of.

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Medical Writing

We offer professional medical writing services in the field of regulatory writing, clinical report writing and pharmacovigilance medical writing.

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quality assurance

ZAK stands for high quality business, that is why we offer a number of quality assessment services like SOP writing/review, quality management consulting and many more.

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We provide a fully integrated clinical research network around the world for those who rely on ZAK for their clinical research solutions.

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tailor-made services

Over the years, ZAK has gained expertise which led to offering unique services which are tailored to the customers’ needs. In order to provide these services, each project is viewed individually.

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Leadership Team



Jean-Jacques Chirikdjian, M.Sc. (pharm) Ph.D.

Chief Executive Officer


Ingrid Hochmayer, M.Sc.

Managing Director/International Head of Clinical Operations/Vendor Manager


Patrizia Kahl-Rainer, D.Sc.

International Group Leader/Senior Project Manager


Éva Ráczkevy, MD

Head of Hungarian Representation/Co-Managing Director

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