Specializing in all aspects of designing and implementing software systems, as well as Machine Learning applied to Natural Language Processing and Speech Recognition. Authored three best-selling books (The D Programming Language, 2010; C++ Coding Standards, 2004; Modern C++ Design, 2001), and numerous papers and articles in academic conferences and trade magazines. Thought leader and sought-after speaker at conferences worldwide. Specialties: Machine Learning with focus on applications in Natural Language Processing; Programming Languages and Systems.