Michael Ziegler, M.D., is professor emeritus at the UCSD School of Medicine. He has 500 publications, directed the UCSD General Clinical Research Center, and currently serves as research navigator for the Clinical Translational Research Institute at UCSD. He chaired several research review committees for the National Institutes of Health and for NASA. Ziegler carries out both basic and clinical research on blood pressure, stress, and nerves that mediate stress responses. While he chaired the Pharmacy Committee at UCSD, he reported on false presentations from drug sales representatives.