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Mgr. Sandra Mažárová, MA

Founder & Managing Director


The founder and CEO of Vantage s.r.o. - a market research agency with a specific focus on the health sector. Sandra possesses market research experience with all types of qualitative and quantitative survey methods that she acquired during her tenure with GfK Slovakia - a major market research provider. She started working in GfK in 2014 as a Healthcare Consultant and in 2016 she became the Sector Leader in Healthcare Division. Sandra has conducted studies not only in Slovakia, but also in other CEE countries, Israel as well as Switzerland.

During her previous tenure in Eli Lilly, the major pharma company, she worked as a Brand Manager and she not only sharpened her marketing skills and knowledge in relevant therapeutic areas, but also acquired a detailed insight into operation and functioning of the healthcare system in Slovakia and the Czech Republic. Over the years, Sandra was involved in the therapeutic areas of cardiology and psychiatry.

She graduated in Political Science at the University of Vienna in 2005 and additionally received Master of Arts degree for the study of nationalism at the Central European University in Budapest.

Experience in marketing gained through working as a Brand Manager in the pharmaceutical industry. Execution of hundreds of qualitative and quantitative market research studies in the fields of retail and healthcare.

JUDr. Lucia Ortová

Project Manager


Lucia has extensive work experience in healthcare, retail and insurance. She likes to live a life of variety and has never been afraid to start something brand new. She has an excellent overview of the healthcare system, brands and entrepreneurship, as she used to own and run a cosy cafe in Bratislava.

Good understanding of the healthcare system and retail corporations. Strong sense of detail and project structure.

Mgr. Silvia Marcelliová

Qualitative Market Research Consultant


Silvia has been fully committed to qualitative market research for 18 years already. She offers our clients suitable methodology, designs discussion guides, conducts and evaluates group discussions, individual in-depth-interviews as well as advisory boards. For most of her professional life, she worked for GfK Slovakia, where she covered qualitative research across all industries - health, telecom, banking, FMCG and media. She also cooperated with other market research agencies - FOCUS, Kantar TNS and Millward Brown in particular.

So far, she has conducted more than 80 studies in healthcare covering a wide range of therapeutic areas. Silvia's strength lies in gaining quick and easy orientation in any topic and the ability to distill and capture the essential (business) insights for the client from the extensive volume of information provided by the respondents.

After graduating in psychology at Comenius University, Silvia worked at Salvus, a private healthcare facility.

More than 80 qualitative surveys and studies conducted in the area of health sector; good sense and understanding of the specifics of the pharmaceutical industry.