David J. Olson has 25 years of global development and communications experience on five continents. Currently, he is a technical advisor for social marketing programs in Mali and Zambia managed by the Palladium Group and provides communications services for a range of non-profit organizations. After serving as a Peace Corps volunteer teaching agriculture in Togo, he founded a grass-roots network in Mali and managed health social marketing programs in Paraguay, Bangladesh and Zambia for PSI, founding non-profits in Zambia and Paraguay that have become leading NGOs. At PSI headquarters in Washington, David managed external relations, pioneered advocacy with the U.S. government, developed the external relations capacity of African, Asian and Russian affiliates and managed relations with major U.S. and European media. He also served as director of Policy Communications at the Global Health Council from 2009-2011. He writes a monthly blog on global health issues at Global Health TV.