Software architect, chief engineer, and security champion with more than 14 years of experience in designing, writing and maintaining C++ code for fun and living. C++ consultant, trainer, and evangelist focused on Modern C++. His main areas of interest and expertise are code performance, low latency, stability, and security. Mateusz worked at Intel for 13 years and now he leads C++ Community at EPAM Systems. He is also a founder of Train IT that provides C++ trainings to corporations. Mateusz is an active voting member of the ISO C++ Committee (WG21) where, together with the best C++ experts in the world, he shapes the next official version of the C++ language. He is also a member of WG21 Study Group 14 (SG14) responsible for driving performance and low latency subjects in the Committee. In 2013 Mateusz won “Bench Games 2013” – worldwide competition in the C++ language knowledge.