Petya Ilieva-Trichkova is Associate Professor at the Institute of Philosophy and Sociology, Bulgarian Academy of Sciences, Sofia, Bulgaria. She is a member of the Editorial Board of International Journal of Lifelong Education. Her research interests are in areas of lifelong learning, higher education, educational inequalities, graduate employability, school-to-work transitions and skills mismatches. In the last 15 years, she worked in various international and national projects such as NEGOTIATE (2015-2018), ENLIVEN (2016-2019), JustEdu (2020- 2024), Skills2Capabilities (2023-2025), SkilMeet (2024-2026) on issues related with education, skills and the labour market. Among her latest publications are: “Vertical Educational (Mis)match and Inclusive Growth: Theoretical Conceptualizations and Evidence from a European Perspective” Societies 15, no. 4: 113, 2025 (co-authored); “Does participation in non-formal adult education matter for individual subjective well-being as a multidimensional functioning?” European Educational Research Journal 23(1), 125-144, 2024 (co-authored) and “Higher education as a public good and social cohesion: an exploratory study from a European comparative perspective” European Journal of Higher Education, 14(sup1), 69–87, 2024 (co-authored). She is a senior researcher in the project ProSkills2Work “Progressing Promising Skills to Work in Bulgaria” (2025-2030), which is funded by the European Union’s Horizon Europe research and innovation program, Grant agreement No. 101183817.