About the Author
Matthew Campbell is a professional software developer, entrepreneur, author, and trainer. He works for Mobile App Mastery, a web-based software development training company he founded in 2008. Before building Mobile App Mastery, Matt studied psychology, worked as a mental health counselor, and supported psychometric research as a data analyst at the Educational Testing Service in Princeton. The books and trainings that he creates are designed to remove the obstacles that stop developers from mastering their craft.