Christian J. Weibell is chief product officer at eLearning Brothers. With a BS in computer science, a PhD in instructional psychology and technology, and 25 years in high-tech software development, Weibell provides a passionate but informed perspective to envision, define, and drive technology-enabled innovation in L&D. He is most widely known for his Principles-of-Learning Framework that articulates seven principles on which all learning is based and provides a foundation for the development of domain-specific theories of learning ( principlesoflearning.org).