With thirty-five years of experience, Rex Black is President of RBCS, a leader in software, hardware, and systems testing. Since 1994, RBCS has delivered consulting, expert services, and training to hundreds of clients worldwide. Ranging from Fortune 20 companies to start-ups, RBCS clients save time and money through higher quality, improved product development, decreased tech support calls, improved reputation, and more. Rex is a Founder and past President of the ISTQB and the ASTQB. He is a Founder and past President of the TMMi America chapter. Rex is also the most prolific author in the field of software testing. His fourteen popular books have sold hundreds of thousands of copies around the world and have been translated into over a dozen languages.