Scott is an ex criminal gone straight. He makes his living from the currency and futures markets (purely systematic trader). You can ask him and he will happily show you all his trading results.
We recommend you follow him on Quora @ Scott-Phillips-55 as he posts some great content on there that will help you with your personal trading journey.
Below is an interview he did with Andrew Swanscott from Better System Trader. It covers how to test trading ideas, why you should understand market types and how to improve your trading.
Below is a YouTube view Scott released to explain a bit about system building.
Below is an interview Scott Phillips did with Etienne Crete from Desire to Trade. It's about building FX trading systems.