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Leadership Biographies

Learn about the senior leaders guiding the Administration for Strategic Preparedness and Response (ASPR) in advancing the nation's health security and emergency preparedness.

  • John Knox

    john knox

    Principal Deputy Assistant Secretary for Preparedness and Response HHS Administration for Strategic Preparedness and Response

  • Nikki Bratcher-Bowman

    bowman

    Deputy Assistant Secretary and Chief Operating Officer HHS Administration for Strategic Preparedness and Response

  • Brian Mazanec, PhD

    Brian Mazanec

    Deputy Assistant Secretary HHS Center for the Coordination Operations and Response Element HHS Administration for Strategic Preparedness and Response

  • Jonathan N. Greene

    Jonathan N. Greene

    Deputy Assistant Secretary Director, Center for Response HHS Administration for Strategic Preparedness and Response

  • Gary L. Disbrow, PhD

    Gary Disbrow

    Deputy Assistant Secretary Director, Center for the Biomedical Advanced Research and Development Authority HHS Administration for Strategic Preparedness and Response

  • Arlene Joyner, MS, PMP, CSSGB

    Arlene Joyner

    Deputy Assistant Secretary Director, Center for Industrial Base Management and Supply Chain HHS Administration for Strategic Preparedness and Response

  • Steven A. Adams, MPH

    Steve Adams

    Deputy Assistant Secretary Center for the Strategic National Stockpile HHS Administration for Strategic Preparedness and Response

  • Makoto P. Braxton

    Makoto P. Braxton

    Acting Deputy Assistant Secretary and Acting Director, Center for Administration HHS Administration for Strategic Preparedness and Response