Nicolai Josuttis (http://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 (www.cppstdlib.com), C++ Templates (www.tmplbook.com), C++17 - The Complete Guide (www.cppstd17.com), C++ Move Semantics - The Complete Guide (www.cppmove.com), and SOA in Practice), but is also an innovative presenter, having talked at various conferences and events.
He has been an active member of the C++ standards committee for more than 20 years.