An impact evaluation of Oxfam’s Horn, East and Central Africa (HECA) Regional Platform’s Influencing Work through its Rights in Crisis network, which seeks to empower people affected by crises, and Extractive Industries programme, which seeks to elevate the voices of individuals impacted by the industry. The evaluation includes an assessment into the impact of both at the regional and country level as well as identification of lessons to guide the design of future influencing work.