Who We Are

The Global Climate and Health Alliance is an alliance of health NGOs, health professional organizations, and health and environment alliances from around the world. Apply for organizational membership.

Founding Board of Directors

The following organizations constitute the founding board for the Global Climate and Health Alliance.

Fiona Armstrong, BN, MPPP

Founder and Executive Director

Ying Zhang, MD, PhD

Courtney Howard, MD

Board President

Claudel Pétrin-Desrosiers, MD

Board Member

Sue Atkinson, MD


Robin Stott, MD


Josh Karliner

International Director of Program and Strategy

Jennifer Wang

Associate Director, International Climate Program

Genon Jensen

Executive Director

Anne Stauffer

Director for Strategy and Campaigns

Omnia El Omrani

Liaison Officer for Public Health Issues

Edward Maibach, MPH, PhD

Board of Advisors Liaison

Penelope Milsom, MD

Executive Board Member

Dermot Coffey, MD


Nicky Philpott


Poornima Prabhakaran MBBS MSc PhD

Head, Environmental Health
Deputy Director, Centre for Environmental Health


Jeni Miller, PhD

Executive Director

Jeni Miller joined the Global Climate and Health Alliance in October 2016. Dr. Miller leads the work of the Alliance, implementing its strategic direction and representing the Alliance publicly. In addition to her role at the Alliance, Dr. Miller currently serves as Chair of the Environment Section of the American Public Health Association. Dr. Miller has over fifteen years’ experience working on place-based, policy- and systems-change strategies to improve community environments for health, on leading initiatives addressing childhood asthma prevention, obesity prevention, climate change, health equity, and healthy community redevelopment.

Email: jeni.miller@climateandhealthalliance.org 

Jess Beagley

Policy Analyst 

Jess supports GCHA’s policy work, specifically on Nationally Determined Contributions as key components of a healthy and sustainable recovery. She has a background in public health and environmental determinants, with nine years of experience in policy and programmes. Jess has previously worked with the Lancet Countdown on Health and Climate Change, the Noncommunicable Disease Alliance, and the International Diabetes Federation. Having completed a degree in Physiological Sciences at the University of Oxford, Jess is currently studying Health in Urban Development at University College London.


Sophie Smith

Operations Manager 

As Operations Manager Sophie provides management, strategic planning, HR and financial support, helping GCHA to be as organized, effective and impactful as possible.  She leads the development and delivery of operational initiatives and assists in fundraising.  Sophie has worked in climate change for over ten years, previously at the Grantham Institute, at Imperial College London. She has a degree in International Relations and is a PRINCE2 practitioner.

Email: sophie.smith@climateandhealthalliance.org


Milena Sergeeva

Liaison Officer for Latin America

Milena joined GCHA in 2019 as Global Climate and Health Summit event coordinator for GCHA on the ground in Chile, outreaching to health organizations and stakeholders in the region, and connecting their work into the global conversation, and vice versa. Since then she has been working as GCHA’s liaison officer, to continue to advance work on Climate & Health in Chile, as well as to give GCHA an increasing voice in Latin America and the Caribbean.

Email: milena.sergeeva@climateandhealthalliance.org 


We have no openings at this time.