Professor of Economic Sciences and Head of the Department of International Business at the Collegium of World Economy, SGH Warsaw School of Economics.
She is a graduate of the Faculty of Foreign Trade at the SGH Warsaw School of Economics (formerly SGPiS), a scholarship holder of the Government of Finland (University of Tampere), and a laureate of the Minister for Youth Award for the best university graduates.

After her studies, she combined academic work at SGH with business practice — including positions in foreign trade and consultancy in the fields of marketing, branding, and international business. She has been a long-standing member of the Superbrands Polska Council.

She previously served as Vice-Dean of the Collegium of World Economy and Vice-Dean of the Doctoral School at SGH Warsaw School of Economics. She is the founder and head of several postgraduate programs, including:
– Brand Management,
– Luxury Goods and Brand Management,
– Applications of Artificial Intelligence in Marketing, and
– International Business Manager.

Professor Witek-Hajduk has served as principal investigator and co-investigator in numerous research projects, including those financed by the former Ministry of Science and Higher Education and the National Science Centre (NCN), focusing on topics such as: internationalization strategies, brand management (including producer and retailer brands), international brand strategies of emerging market firms, marketing alliances, the evolution of business models of Polish companies, producer–retailer relationships, and digital internationalization.

She is the author, co-author, or editor of numerous monographs and scholarly articles in the fields of brand management, internationalization strategies, and business models, including:
Digital Internationalization of Firms – Strategies, Challenges and Legal Aspects;
Country-of-Origin Effect in International Business: Strategic and Consumer Perspectives; Disruptive Platforms. Markets, Ecosystems, and Monopolists; Brand Management; Managing a Strong Brand; Marketing Alliances. Corporate Partnerships for Enhancing Competitiveness; International Brand Strategies. The Perspective of Emerging Market Firms; The Internet and the Foreign Expansion of Enterprises; Business Models of Polish Enterprises;
Internationalization Strategies of Polish Enterprises in the Context of Poland’s Accession to the European Union.

For her academic and teaching achievements, she has received numerous awards, including the Minister of Science and Higher Education Award for Teaching Excellence, and the Polish Scientific Society for Organization and Management Award for the best habilitation monograph, as well as awards for best conference papers at national and international academic conferences.

She is a member of international scholarly associations including the Academy of International Business (AIB), the European International Business Academy (EIBA), and the Polish Scientific Marketing Association.