Gary Kraus, founder and chairman of the Kraus Back and Neck Institute in Houston, TX, has been listed numerous times in Best Doctors in America, featured in Newsweek Magazine as a "Top Doctor in Texas," and named a "Top Doc in Houston, Texas" by H. Texas Magazine for the years 2007 to 2014. A practicing neurosurgeon for twenty years, Kraus is the author of the internationally acclaimed text Microsurgical Anatomy of the Brain: A Stereo Atlas. He has written numerous articles for the peer-reviewed neurosurgical literature, as well as chapters in neurosurgical textbooks. Paul Popp is a former university professor, senior manager in government and business organizations, and entrepreneur. He is the author of several textbooks and numerous articles in academic and professional journals. Popp received a BS from the University of Pittsburgh, MBA from Duquesne University, and a MPA and PhD from the University of Cincinnati.