This document provides an introduction and overview of a social science session at the International Institute of Tropical Agriculture (IITA). The session will include oral presentations on topics related to IITA's social science strategy, including ex ante impact assessment, technology adoption studies, gender research, policy analysis, and ex post impact evaluation. It will also feature a poster session showcasing 25 recent and upcoming papers across various IITA research programs. The social science team at IITA conducts research across continents and crop improvement research programs, with most funding coming from Windows 1 and 2 sources.