Grzegorz Król, Ph.D. is a Director at Knowledge•Action•Change, the sister company to KAC Communications which runs GFN. Social psychologist & IT specialist, author of publications on psychology, data analysis and harm reduction. Since 2003 Grzegorz manages international projects in the area of public health, drugs and tobacco harm reduction. Between 2012 and 2018, he was lecturer at the Faculty of Management and MBA School, University of Warsaw. Since 2016, member of the European Network for Research Evaluation in the Social Sciences and the Humanities (ENRESSH), part of the COST Action: European Cooperation in Science and Technology. Co-founder of a harm reduction knowledge hub at harmreduction.eu