John learned computer science in college and started his career developing data-driven web applications, which were used to help researchers work with massive data sets. After working in Washington, D.C., for a few years he to moved to Partners in Health, where he spent a year in Rwanda teaching programming and developing components for an open source medical record system. John’s ties to Rwanda remain strong as he has returned to the country four times since leaving at the end of 2009, once to go camping on the rim of a Congolese volcano.