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Acting Director: Daniel M. Sosin, MD, MPH, FACP

Photo of Daniel M. Sosin, M.D., M.P.H., F.A.C.P.Daniel Sosin is the deputy director and chief medical officer for the Office of Public Health Preparedness and Response (PHPR) at the Centers for Disease Control and Prevention (CDC). In this role, he is the lead science advisor and provides scientific representation for preparedness on behalf of the PHPR Director and CDC. He serves as a liaison to CDC programs and external partners and assures strategy and program coordination for PHPR in medical and public health preparedness and response.


PHPR Organization

PHPR Leadership Team

Office of the Director

  • Deputy Director: Bob Ruiz, MPA
    • Associate Director of Communications: John P. Anderton, PhD, MPA
    • Associate Director of Policy, Planning, and Evaluation: Kathryn Gallagher, BS
    • Associate Director of Information Resources: Dan Tuten, AS, BS, MS
    • Associate Director of Management Resources: Arnetra Herbert, BS, MS
    • Workforce Relations Officer: Marvin Bryan Weekley
  • Deputy Director and Chief Medical Officer: Vacant
    • Associate Director of Science and Public Health Practice: Sam Groseclose, DVM, MPH, DACVPM
    • Senior Advisor for Laboratory Preparedness: Joanne Andreadis, PhD
    • Senior Advisor for Medical Care and Countermeasures: Joanna Prasher, PhD
  • Liaison for Department of Defense: CDR Eric Deussing, MD, MPH

Division of Emergency Operations

  • Director: Jeff Bryant, MS, MSS
    • Emergency and Risk Communications Branch
    • Logistics Support Branch
    • Operations Branch
    • Plans, Training, Exercise and Evaluation Branch

Division of Select Agents and Toxins

  • Director: Samuel Edwin, PhD
    • Operations Branch
    • Program Services Branch
    • Program Management and Operations Branch

Division of Sate and Local Readiness

  • Director: Chris Kosmos, BSN
    • Program Services Branch
    • Applied Science and Evaluation Branch
    • Field Services Branch
    • Capacity Building Branch

Division of Strategic National Stockpile

  • Director: Greg Burel, BBA
    • Logistics Branch
    • Planning and Analysis Branch
    • Response Branch