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Grzegorz Rajca | Colliers | Warsaw

Grzegorz Rajca


Senior Associate

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Professional Summary

Grzegorz joined the Workplace Innovation team at Colliers in February 2016. Before joining Colliers he spent 6 years working as an HR consultant. He is an organizational psychologist and a data analyst. He combines knowledge concerning human behavior with an understanding of statistical modelling and psychometrics. He specializes in quantitative research, HR analytics, data analysis and visualization. His key skills include:
•   Organizational psychology
•   Research methodology
•   Psychometrics, survey design
•   Statistics and data analysis (R, SPSS)
•   MS Excel and VBA


Grzegorz conducted projects in the field of evidence-based HR consulting, designed and audited measurement tools (tests, questionnaires, surveys) for business. He is the author of many publications promoting the use of high-quality tools and methods in the field of organizational psychology, including book chapters and over 20 articles.


SWPS: University of Social Sciences and Humanities, Psychology (MA) with two specialties:
•   Psychology of Cross-Cultural Relations
•   Social Psychology of IT and Communication


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