Nicolai Josuttis (www.josuttis.com) is well known in the programming community because he not only speaks and writes with authority, being the (co-)author of the world-wide best sellers "The C++ Standard Library", "C++ Templates", "C++ Move Semantics", and "C++17", but is also an innovative presenter, having talked at various conferences and events. He is an independent trainer and speaker being active in C++ standardization for more than 20 years.