Stefanos is a senior software engineer and team lead at LMAX Exchange in London – the pioneers of Continuous Delivery. His career has taken various twists and turns from academia via writing satellite software for the European Space Agency, flight search software for a major airline, test automation for various banks, and steam turbine design software, to his current role in writing low latency code that can process 50,000 orders a second on a single CPU core. Dr. Stefanos Zachariadis has a PhD from UCL in London. His hobbies include iOS development, music and backpacking.