David Farley

Dave Farley works for TradeFair, helping to build the world's highest performance financial exchange. He has spent 30 years writing software ranging from firmware and device drivers to commercial applications and games. He was Technical Principal on some of ThoughtWorks' biggest, most challenging projects, and has extensive experience leading the development of complex software.

Jez Humble

Jez Humble has been fascinated by computers and electronics since getting his first ZX Spectrum at age 11. He got into IT in 2000, just in time for the dot-com bust. Since then he has worked as a developer, system administrator, trainer, consultant, manager, and speaker. He has worked with a variety of platforms and technologies, consulting for nonprofits, telecoms, financial services, and online retail companies.

Since 2004 he has worked for ThoughtWorks and ThoughtWorks Studios in Beijing, Bangalore, London, and San Francisco. He holds a BA in Physics and Philosophy from Oxford University and an MMus in Ethnomusicology from the School of Oriental and African Studies, University of London. He is presently living in San Francisco with his wife and daughter.