Dr. Todd Johnson is the Director of Analytical and Experimental Mechanics Laboratory at Zimmer, Inc. in Warsaw, Indiana. The focus of his work there is on biomechanical performance and wear of total joint replacements. At the present time, 2 directors of the Fatigue & Fracture Mechanics and Research Processes departments, 3 principal engineers and 1 staff engineer of the Biomechanics, Tribology, and Structural Design & Analysis departments with a total of 41 research personnel report directly to Todd.

He received his B.S. degree in Mechanical Engineering, M.S in Biomedical Engineering, and Ph.D. in Mechanical Engineering, all from the University of Minnesota in Minneapolis, Minnesota. His M.S. graduate research project was Arterial Tonometry: Theoretical Basis and Sensor Evaluation. Dr. Johnson’s Ph.D. dissertation title was In-Vivo Contact Kinematics of the Knee Joint: Advancing the Point Cluster Technique.

Dr. Johnson holds five patents on surgical instruments and implants. He is a member of ASME, SPE, SME, ASTM and the Society for Biomaterials. He has authored papers for the Journal of Biomedical Materials Research, Journal of Wear, Journal of Biomedical Engineering, Journal of Engineering in Medicine, and a book chapter in Basic Orthopaedic Biomechanics, 3rd edition. He has presented papers and posters at over 20 conferences, internationally.