Youdi Schipper is research advisor at Twaweza East Africa, an initiative that works on education and issues concerning government transparency and responsiveness in Tanzania, Kenya and Uganda. He is also a senior researcher at the Amsterdam Institute for International Development. His work focuses on education reform, impact evaluation and mobile data collection. He is managing KiuFunza, a nationally representative randomized trial studying the impact of teacher performance pay and school grants in public primary schools in Tanzania. Also in Tanzania, he designed and implemented Sauti za Wananchi, the first nationwide mobile phone panel survey in Africa.