Rainer Grimm has worked as a software architect, team lead, and instructor since 1999, and offered seminars on C++, Python, and proprietary software since 2002. He writes regularly on C++, Python, and Haskell, speaks at conferences on programming issues, and blogs weekly in English (modernescpp.com) and German (www.grimm-jaud.de/index.php/blog). Now an independent instructor, he offers seminars on modern C++ and Python. He has authored several books on modern C++, concurrency, and related topics.