Grzegorz Maciejewski, PhD, DSc, Assoc. Prof. is a Polish economist, researcher, and Head of the Market and Consumption Department at the University of Economics in Katowice. His academic specialization focuses on market consumer behavior (including the Phygital Consumer concept and AI-driven solutions), behavioral economics, B2C/C2B relations, marketing management, and market research methodology. He has authored or co-authored over 200 peer-reviewed scientific publications, including monographs released by publishers such as Routledge, Logos Verlag Berlin, Wolters Kluwer, and Wageningen Academic Publishers. He has an extensive track record in securing and executing national and international research funding. He has managed 6 projects funded by the Ministry of Science and Higher Education and the Ministry of Education and Science, serves as a project manager under the Regional Excellence Initiative (2024–2026), and acts as an investigator for Visegrad Grants. Since 2022, he has been co-managing the Coffee and Tea Market Research Institute as the Vice-President of the Management Board and Director of R&D, and serves as the Editor-in-Chief of the London-based "Coffee & Tea Marketing Journal". He actively contributes to the scientific community as a Topic and Guest Editor for MDPI journals ("Sustainability", "Agronomy"), a member of the Committee on Legal and Economic Sciences of the Polish Academy of Sciences (Katowice Branch), and a Scientific Council member PNTM.