Joko Mariyono is an economist. He is a senior lecturer in the Department of Agriculture, Study Programme of Agribusiness, Universitas Diponegoro, Indonesia. He holds a PhD in economics from Australian National University, Canberra, Australia. Since 1990, he has been one of the key scientists in Indonesian integrated pest management (IPM) projects. His areas of expertise include the economics of IPM, micro-econometrics and microeconomic modelling, microeconomic impact evaluation of innovation and dissemination of technologies, economic sustainability of rural and agricultural development, and agribusiness management. He also serves as a research consultant related to rural and development economics.