James (Jim) Bethune taught drafting and Computer Aided-Design (CAD) for 39 years, twice winning the Outstanding Professor of the year award. He has a doctor's degree in education from Boston University and has written 21 books on drafting and CAD. While retired from full-time teaching, Jim continues to teach courses and write textbooks on CAD. An avid golfer, Jim lives in East Greenwich, Rhode Island.
Nathan Brown is an instructor in the Department of Bioengineering with a B.S., M.Eng., and PhD in Mechanical Engineering from the University of Louisville. He is a certified SolidWorks Associate. He has also taught biomechanical modeling and simulation of human movement and published peer reviewed articles in scientific journals. He has worked as the co-author for the 2nd edition of Pearson's Mastering SolidWorks. He is currently an analytics professional at a major health insurance company, has obtained a Data Science Certificate from the University of Louisville, and is pursuing a Masters in Computer Science and Engineering.