Meet PSR’s staff and board members.

To learn more about the staff and board members in PSR’s chapter network, view PSR’s chapter pages.

Media Inquiries

For interviews with PSR's experts, contact PSR at or (202)667-4260. Learn more at our press page.

  • Board of Directors
  • Consultants
  • Fellows
  • Interns
  • Staff

Brian Campbell, PhD

Executive Director

Brian Campbell is the Executive Director of Physicians for Social Responsibility. Before joining the organization in November of 2023, Brian…

Read Bio

W. Taylor Carneiro-Johnson, MFA, DLS

Director of Administration, Operations & Finance

W. Taylor Carneiro-Johnson is Director of Administration, Operations & Finance at Physicians for Social Responsibility in Washington, DC. Prior to…

Read Bio

Barbara Gottlieb

Director, Environment & Health Program

Barbara Gottlieb is program director of the Environment & Health Program, where she guides PSR’s national work on climate, energy…

Read Bio

Paige Knappenberger

Director, Environment & Health Program

Paige Knappenberger is the Program Director of the Environment & Health Program, where she guides PSR’s national work on climate,…

Read Bio

Martin Fleck

Director, Nuclear Weapons Abolition Program

Martin Fleck is the program director for the Nuclear Weapons Abolition Program, where he develops and implements national campaigns for…

Read Bio

John Chiuco

Director of Philanthropy

John Chiuco is the Director of Philanthropy for Physicians for Social Responsibility where he works with members and funders in…

Read Bio

Zach Williams, MPH

Associate Director, Environment & Health Program

Zach Williams, MPH brings passion and expertise to his role as the Associate Director of the Environment & Health program,…

Read Bio

Julia Morgan

Web Manager

Julia Morgan is the Web Manager for PSR, where she has managed the PSR website and email communications since 2006….

Read Bio

Miah Hornyak

Policy Coordinator, Environment & Health Program

Miah Hornyak is the Policy Coordinator for the Environment & Health Program at Physicians for Social Responsibility. She has long…

Read Bio

Magritte Gordaneer

Lead Organizer and Policy Coordinator, Nuclear Weapons Abolition Program

Magritte Gordaneer is the Lead Organizer and Policy Coordinator of the Nuclear Weapons Abolition Program at PSR. She has over six…

Read Bio

Kenise Faho

Administrative & Finance Assistant

Kenise is a proud native of the District of Columbia. Kenise holds a dual degree in Sociology/Social Work from the…

Read Bio