Anna Urbaniak is a social sciences researcher with expertise in life-course transitions, the re/production of social inequalities across the life course, and participatory approaches in ageing research. She is a founder of PAAR: Research Network on Participatory Approaches in Ageing Research and a chair of COST Action CA22167 on Participatory Approaches with Older Adults (PAAR- net). She is also a co-chair of the Research Network on Ageing in Europe (European Sociological Association). She is working as a Postdoctoral Researcher at the University of Vienna (Austria) and Jagiellonian University (Poland), and as an Assistant Professor at Cracow University of Economics (Poland). Anna Wanka is a sociologist and critical gerontologist interested in the social construction of age. Her areas of expertise comprise the social practices of un/doing age, life course transitions/retirement and the re/production of social inequalities across the life course, ageing and technologies, age-friendly cities and communities, mixed-methods, and participatory research. She is co-founder of PAAR: Research Network on Participatory Approaches in Ageing Research and a co-chair of COST Action CA22167 on Participatory Approaches with Older Adults (PAAR- net). She is working as a research group leader at Goethe University Frankfurt/Main, Germany.