People
Tim is a Machine Learning guru, having lead ML teams at Yahoo!, Microsoft, eBay, LinkedIn, and Adobe, as well as various startups. In addition, he was co-author of four editions of the PHP Bible series published by Wiley Press, and an angel investor in over 40 startups, notably Weights and Biases (tools for ML development), Descartes Labs (computer vision for satellite imagery), and ESS (iron-flow batteries for renewable-energy storage).