Ryszard Kaleta (@rtkaleta) is a Software Engineer at Twizoo, a venture-backed start-up developing industry leading social media mining technology. At Twizoo, Ryszard conceptualises and builds machine learning models aimed at surfacing high-quality, user-generated content from social media. Previously, Ryszard worked for J.P. Morgan as research developer modelling fixed income products in the firm’s strategic trading and risk management framework. He was later an integral part of the investment bank’s new big data client intelligence team. Ryszard has a MEng in Computer Science (Hons) from Imperial College London.