Martin Klang is a software developer, electronics designer, start-up entrepreneur and improvising musician. Having studied at University of Gothenburg, Chalmers University of Technology and Université Paris-Sorbonne, he spent 10 years as a software engineer and systems architect before setting up his own consultancy. His work for large and small clients has specialised in developing state-of-the-art compilers and designing bespoke programming languages. Martin has always been committed to Free and Open Source, and is a founding member of the London Music Hackspace. He now runs Rebel Technology, a London-based manufacturer of innovative and unique music electronics.