This document summarizes the work of ICRISAT's Impact Assessment Office. It provides an overview of completed and upcoming impact assessment studies, which measure the effects of ICRISAT research. It describes how impact assessments are conducted along the entire research process from baseline data collection through technology adoption. The document highlights key impacts found, such as increased incomes for farmers, and returns on investment in watershed management. It also outlines objectives to quantify impacts, establish contributions to institutional outcomes, and measure returns to research investments across multiple projects.