Affiliated Faculty

Nathan W. Hartman
p: 765-496-6104
f: 765-494-9267

Nathan Hartman is an Assistant Department Head and Associate Professor in the Department of Computer Graphics at Purdue University where he currently teaches undergraduate courses in 3D modeling, graphics standards, and product data management. He has also taught graduate courses covering advanced computer graphics technology topics, research methods, and measurement and evaluation. Nathan is a Co-Director of the Purdue University Product Lifecycle Management (PLM) Center of Excellence in the Center for Advanced Manufacturing in Purdue's Discovery Park. His research areas include the use of constraint-based CAD tools within the product lifecycle, model-based enterprise, long-term archival (LOTAR) of CAD data, and 3D data interoperability and exchange. Professor Hartman holds a Bachelor of Science in Technical Graphics and a Master of Science in Technology from Purdue University, and a Doctor of Education in Technology Education from North Carolina State University. Professor Hartman has also held industry positions with Fairfield Manufacturing Company, Caterpillar Incorporated, and RAND Worldwide.


Amy B. Mueller
: 765-496-7948
f: 765-494-9267

Amy B Mueller is a Clinical Assistant Professor in the College of Technology, Purdue University, West Lafayette campus. She received her BS in Mechanical Engineering from Purdue University and her MBA in Information Systems from the University of Toledo. Before joining the faculty in 2012, Ms. Mueller spent over 30 years in industry and her career parallels the progression of CAD/CAM to PDM and PLM. She has held industry positions with Owens-Illinois, Parametric Technology, Cummins, Faurecia and Toyota Industrial Equipment as well as a VAR and consulting firms. She has held previous adjunct teaching positions with the University of Toledo and Ivy Tech Community College. Ms. Mueller also worked as the Director of Minds on Math for the Bartholomew County School Corporation which is an after school math enrichment program for fourth graders. She is a member of ASEE, ACM and SWE.


Timothy D. Ropp
p: 765-494-9957
f: 765-494-2305

Professor Ropp has over 18 years experience in technical operations management and educational development in risk-sensitive industries that include aviation, medical, pharmaceutical and U.S. Navy and defense contractor operations. He is a licensed FAA Airframe and Powerplant mechanic and private pilot, and was a production supervisor in airframe heavy maintenance operations for United Airlines from 1998-2003. He has taught at Purdue University since 2005. His teaching and research focus is on development of outcomes-based learning and assessment methods in technology and engineering curriculums, concentrating on learning tools and approaches that blend students technical skill sets with leadership, professional and safety performance management competencies sought by industry. He currently teaches a highly interactive senior level maintenance management capstone course (AT 402) utilizing Purdue' s large Boeing 727 and 737 transport aircraft.

Within the aviation department, Professor Ropp is active on curriculum, accreditation and research/engagement committees, and participates in local community outreach and educational activities at the airport that has involved special needs children, elementary/middle school and community civic organizations.


Edie K. Schmidt
p: 765-494-1097
f: 765-496-2700

Dr. Schmidt's teaching and research interests are in the areas of inventory management, distribution, logistics, and supply chain management. She has developed and taught undergraduate and graduate-level courses and has supervised graduate student projects, in these areas at the master' s level. Dr. Schmidt has worked with many Indiana companies to develop a Logistics training course, revise warehouse layouts, revise facility layouts, and other projects in the Logistics area.