Maize provides at least 30% of calories for over 4.5 billion people in developing countries, yet recurrent crises and constraints threaten global food security. The MAIZE Research Program is a CGIAR alliance of over 300 institutions aiming to sustainably intensify maize farming systems to enhance farmer incomes and livelihoods. Its vision is to increase productivity by 7% by 2020 and 33% by 2030, benefiting 40 million farmers by 2020 and 175 million by 2030, and meeting additional demand from 135 million consumers by 2020 and 600 million by 2030. MAIZE addresses issues through nine strategic initiatives and has a budget of $97.8 million annually from CGIAR and bilateral donors.