Hannu Lehti is an academic research fellow in the social research department. He works at the INVEST Flagship Center funded by the Academy of Finland. His research focuses on intergenerational social mobility, life course disadvantages, education, social stratification, and the evolutionary social science approach. In his doctoral thesis called The Role of Kin in Educational and Status Attainment, he studied the intergenerational effects of parental and extended family members on socioeconomic attainment by applying theories on social stratification and evolutionary social sciences. For example, his studies have been published in the European Sociological Review, Research in Social Stratification and Mobility, Research on Finnish Society, and the Journal of Biosocial Science.