Anja K. Leist is a psychologist specializing in life-span development and social epidemiology. After finishing her PhD studies in psychology at the University of Trier, Germany, she has been working as postdoctoral research fellow at the University of Luxembourg, Luxembourg, and at the Erasmus Medical Center in Rotterdam, Netherlands. Her current research interests involve life-course influences on cognitive function and health in older age, and technology and aging. Jenni Kulmala has a PhD in gerontology and public health from the University of Jyväskylä, Finland. She is currently working at the Gerontology Research Center (GEREC) and department of health sciences, University of Jyväskylä, Finland. She also collaborates with University of Eastern Finland, Kuopio and Aging Research Center (ARC), Karolinska Institutet, Sweden. Her research interests involve sensory and cognitive functions, psychosocial symptoms and life-course epidemiology. Fredrica Nyqvist has a PhD in social policy from Åbo Akademi University in Finland. She is now working as a senior researcher at the National Institute for Health and Welfare (THL), Finland. Within the FLARE fellowship she has established research collaboration with Umeå University, Sweden and Northumbria University, UK. She has extensively investigated the application of social capital concept. Her current research explores inequalities in social capital, loneliness and well-being in an aging population and the role of social capital as a positive resource in older people’s mental health.