Clinton Begin has built a presence in both the enterprise and open source communities. Having consulted as a Senior Developer and Agile Mentor for industry greats such as ThoughtWorks, Microsoft and Stanford University, his experiences have spanned a broad range of business and technical domains. Clinton has applied agile methodologies, open source software, Java, .NET and Ruby to the development of large-scale applications. He is an experienced author, speaker, and has delivered formal presentations and training from San Francisco to New York City.