Jeff Hanson Author

Jeff Hanson, Ph.D., is an instructor in the Department of Mechanical Engineering at Texas Tech University. He has a large following (~125,000 followers) on YouTube for his engineering instructional course videos.

Ashley L. Bernal, Ph.D., is associate professor of Mechanical Engineering at the Rose-Hulman Institute of Technology. She specializes in teaching statics and mechanics of materials, materials engineering, design for manufacturing, and the Capstone Design course. 

James M. Pitaressi, Ph.D., is Distinguished Teaching Professor of Mechanical Engineering, assistant provost and executive director for the Center for Learning and Teaching at Binghamton University, State University of New York. He is also a member of the AccessEngineering faculty advisory board.