Paulo Merson has been programming in the small and programming in the large for over 30 years. He is a developer at the Brazilian Federal Court of Accounts (TCU). He is also a Visiting Scientist with the Software Engineering Institute (SEI), adjunct faculty in the Masters of Software Engineering program at Carnegie Mellon University, and a faculty member of the master program in Applied Computing at University of Brasilia. Paulo often delivers professional training to fellow developers in the US, Latin America, and Europe. His speaking experience also includes tutorials at DDD Europe, OOP, JavaOne, SPLASH/OOPSLA, SD Best Practices, SATURN, Dr. Dobb’s Architecture & Design World, lectures to graduate students in different universities, and invited talks at different companies. He is co-author of Documenting Software Architectures: Views and Beyond, 2nd edition. Paulo holds a Bachelor of Science in Computer Science from University of Brasilia and a Master of Software Engineering from Carnegie Mellon University.