Ivan Gretskii

Ivan Gretskii is a highly skilled Research Executive at GfK - An NIQ Company, where he specializes in marketing effectiveness and data-driven insights. With over six years of international experience, Ivan has developed a comprehensive expertise in designing and executing complex research projects that inform strategic decision-making for leading brands and organizations. His current role involves managing a diverse portfolio of post-/ad-hoc studies, including Brand Health Tracking (BHT), Marketing Mix Modeling (MMM), and Market Measurement Optimization (MMO), leveraging advanced data science and analytics techniques to deliver actionable insights.

At GfK, Ivan plays a pivotal role in overseeing the entire research lifecycle—from administrative preparation and budgeting to survey development, testing, and scripting. His proficiency in fieldwork control, data validation, and weighting ensures high-quality, reliable data collection, which is critical for accurate analysis and reporting. Ivan’s expertise extends to automating data processes and visualizations, enabling efficient reporting and clear communication of complex findings to clients. His strong background in qualitative and quantitative methodologies, combined with skills in data analysis and visualization, allows him to craft comprehensive marketing effectiveness reports that support brand growth and ROI optimization.

Ivan’s ability to translate data into strategic insights is complemented by his experience in client communication and intercultural collaboration, making him a valued partner for multinational clients. His skill set includes HR analytics, brand equity assessment, secondary research, and comparative analysis, positioning him as a versatile researcher capable of addressing diverse business challenges. Through his dedication to continuous learning and methodological rigor, Ivan Gretskii contributes significantly to GfK’s reputation for delivering innovative, data-driven marketing solutions.