Klaus Schmeh has published 15 books, 300 articles, 1,000 blog posts and 25 research papers about encryption technology (in German and English), which makes him the most-published cryptology author in the world. In addition, he is one of the world’s leading crypto history experts and writes a successful crypto history blog (www.schmeh.org). In his main profession, Klaus works as a crypto consultant at the German company, Cryptovision. Schmeh is an excellent speaker, often using self-drawn cartoons and Lego models for visualization. He has hosted presentations at more than 200 conferences in Europe, Asia and US. His talks at RSA Conference, Connect:ID, NSA Crypto History Symposium and others have been enthusiastically received because of Schmeh's unique presentation style.