John Gage
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In 2006, he joined the board of the Tegla Loroupe Peace Foundation, to build a school and orphanage in Kapenguria, in remote north-west Kenya.
In 2012, he helped build the Kibera Town Centre, a major water and community education center in the middle of Kibera, Kenya, the largest slum in Africa.
He is known as one of the co-founders of NetDay in 1995, a crowd-sourced effort to bring the Internet to every school in the world. NetDay was the first large-scale crowd-sourced mass movement on the Internet. He joined the Human Needs Project in 2012 to build a networked water source and water treatment plant in the Kibera slum in Nairobi, Kenya.
For twelve years he hosted the annual JavaOne conference, bringing 20,000 Java programmers to San Francisco and establishing the Java language in over 95% of mobile devices, and as the basis of the Android operating system. Provided by Wikipedia