Our Team

Sam Myers


Sam Myers works at the intersection of human health and global environmental change. He is a Principle Research Scientist at the Harvard T.H. Chan School of Public Health, and is Board Certified in Internal Medicine.

Contact: pha@harvard.edu

Carlos Faerron

Associate Director

Formerly the PHA's Education Fellow, Dr. Faerron now serves as the Associate Director of the PHA and is the co-founder and current director of the InterAmerican Center for Global Health (CISG). He is also an Assistant Professor and Director of Global Health Programs at the University of Maryland, Baltimore, Graduate School.

Contact: pha@harvard.edu

Marie Studer

Senior Program Manager

Marie Studer is the Senior Program Manager of the Planetary Health Alliance, overseeing the strategic visioning, external relations, and program operations for PHA. She is a scientist with a passion for connecting people with meaningful and creative explorations of the world that are relevant to them and our future.

Contact: mariestuder@g.harvard.edu

Max Zimberg

Community-building and Outreach Coordinator

Max Rose Zimberg is the Community-building & Outreach Coordinator of the Planetary Health Alliance, working to grow the planetary health community of practice through global education and public outreach efforts, thematic and regional initiatives, and strategic expansion of the PHA's mission and membership. She graduated summa cum laude from Columbia University with a dual B.A. in Evolutionary Biology of the Human Species and Sustainable Development and research focus in equity-based systems thinking, food systems sustainability, and public health.

Contact: maxzimberg@g.harvard.edu 

Jeremy Pivor

Senior Program Coordinator

Jeremy Pivor is the Senior Program Coordinator for the Planetary Health Alliance. For over a decade, he has worked in environmental conservation, international climate change diplomacy, and public health. His conservation efforts have brought him around the world from the United States, Madagascar, the Sargasso Sea, the Coral Triangle region in Southeast Asia, to Indonesia Borneo. He cherishes working with and bridging partnerships with organizations from the local to international scale.

Contact: jeremypivor@g.harvard.edu 

Joanna Wagner

Program Assistant and Next Gen Coordinator

Joanna Wagner is the Program Assistant and Next Gen Coordinator with the Planetary Health Alliance, where she provides administrative and communications support for all aspects of PHA programs. Before joining the team at the Planetary Health Alliance, Joanna graduated from Boston University’s Kilachand Honors College with a degree in International Relations and Environmental Analysis & Policy. In her spare time, she is pursuing her MLA in Sustainability Studies through Harvard's Extension School.

Contact: joannawagner@g.harvard.edu 

Anna Wuest

Communications Intern

Anna Wuest is a masters student at Harvard T.H. Chan School of Public Health in the department of Biostatistics, concentrating in health data science. She graduated from Florida State University with a degree in mathematics and a minor in biology. Her research experiences are at the intersection of the health disparities in food deserts and anthropogenic impacts on fisheries.



Melvine Anyango

Next Gen Fellow

Melvine Anyango Otieno is a 2019 Planetary Health Campus Ambassador turned PHA Next Generation Fellow, working to inspire, activate and convene the next generation of planetary health campus ambassadors from around the world, as well as conduct outreach to facilitate local and international collaborations through her leadership in growing the Planetary Health Eastern Africa regional hub. She attained a BSc in Environmental Biology and Health and currently pursuing MSc in Environmental health at the University of Eldoret.


Hilary Duff

Case Studies Writer

Hilary Duff is a multimedia journalist and communications consultant. In her role with the Planetary Health Alliance, Hilary traveled the world conducting interviews with stakeholders, researchers, and organization leads to build an anthology of 10 planetary health case studies, which highlight cross-sectoral solutions that optimize human health in the face of anthropogenic environmental change.


Sandeep Maharaj

Global Outreach Fellow

As the PHA's Global Outreach Fellow, Sandeep works to support and strengthen the emerging network of Planetary Health Regional Hubs around the world, mainly through convening and cross-fertilizing current hubs and facilitating the creation of new hubs where desired. At an academic level, Sandeep serves as a lecturer in the School of Pharmacy at The University of the West Indies, St. Augustine Campus, and administratively, he serves as both the Associate Dean for Distance Education and Planning and the Director of the Entrepreneurship and Business Transformation Office for the Faculty of Medical Science at UWI's St. Augustine Campus.


Teddie Potter

Clinicians for Planetary Health

Dr. Teddie Potter is a Clinical Professor, the Specialty Coordinator of the Doctor of Nursing Practice in Health Innovation and Leadership, and the Director of Planetary Health at the University of Minnesota School of Nursing. She serves as the Chair of the Clinicians for Planetary Health (C4PH) initiative.


Hannah Nash

Clinicians for Planetary Health Outreach

Hannah Nash serves as the Clinicians for Planetary Health Outreach Manager, helping to build a community of clinicians engaged in planetary health. She has a longstanding passion for understanding the intersection of human health and the environment. Hannah graduated from Dartmouth College with a degree in biology and a concentration in human health and ecology.


Nathan Uctmann

Clinicians for Planetary Health Partnerships

Nathaniel Uchtmann is a Physician and Lawyer who currently works as an Internal Medicine and Pediatrics Hospitalist at Natividad Medical Center in Salinas, California. He completed a 2-year Global Health Fellowship through UCSF and graduated from residency training and medical school at the University of Illinois, where he also received his law degree and a master’s degree in Natural Resources and Environmental Sciences. His advocacy work centers around ethically modelling ecology through highlighting our interdependency with healthy communities and a healthy planet.


Michael Xie

C4PH Outreach Intern

Michael serves as the Clinicians for Planetary Health outreach intern, working to build a global movement of clinicians invested in planetary health. He is an undergraduate at Harvard College studying history of science and global health. Michael has helped promote more sustainable practices in labs and clinics in the greater Boston area and is passionate about exploring the intersection between the environment and the concept of health.



Richard S. Ostfeld

Richard Ostfeld is Senior Scientist at the Cary Institute of Ecosystem Studies, a not-for-profit research institution in Millbrook, New York, dedicated to providing the science behind environmental solutions. His research focuses on ecological determinants of human risk of exposure to infectious diseases, emphasizing Lyme and other tick-borne diseases.

Antonio Saraiva

Dr. Antonio Saraiva has a degree in Electrical Engineering from Universidade de São Paulo (1980), Agronomy from Universidade de São Paulo (1987), a Master's in Electric Engineering from Universidade de São Paulo (1993) and Ph.D. in Electric Engineering from Universidade de São Paulo (1998).

Stephen Luby

Stephen Luby earned his MD degree from the University of Texas-Southwestern Medical School at Dallas. His previous positions include directing the Centre for Communicable Diseases at the International Centre for Diarrhoeal Diseases Research, Bangladesh in Dhaka, Bangladesh, conducting research and teaching epidemiology at the Aga Khan University in Karachi, Pakistan, and working as an epidemiologist in the Foodborne and Diarrheal Diseases Branch of the U.S. Centers for Disease Control and Prevention.

Courtney Howard 

Courtney Howard is a University of British Columbia and McGill-trained Emergency Physician who practices in Canada’s subarctic and is the Vice President of the Canadian Association of Physicians for the Environment (CAPE). Motivated by work on a Médecins Sans Frontières pediatric malnutrition project in Djibouti, and by climate-related health impacts on her Northern patient population, she led the successful campaign to have the Canadian Medical Association divest from fossil fuels and for MD-Financial to create a Fossil-Free Fund for individual physician investment.

Russ Hauser

Dr. Russ Hauser’s research interests are in the fields of reproductive, perinatal and pediatric epidemiology. His research focuses on the impact of environmental chemicals on fertility, pregnancy outcomes and children’s health. He is currently conducting a NIH funded study on the effects of chemicals classified as endocrine disruptors on male and female reproductive health endpoints.

Mandeep Dhaliwal

Dr. Mandeep Dhaliwal is the Director of UNDP’s HIV, Health and Development Group and a strong advocate for planetary health and stronger synergies between the climate and health movements. Dr. Dhaliwal brings to the organization over 20 years of experience working on HIV, health, human rights and evidence-based policy and programming in low-and middle-income countries.  

Teddie Potter

Dr. Teddie Potter is a Clinical Professor, the Specialty Coordinator of the Doctor of Nursing Practice in Health Innovation and Leadership, and the Director of Planetary Health at the University of Minnesota School of Nursing. She serves as the Chair of the Clinicians for Planetary Health (C4PH) initiative.



Natalia Linou (Linos)

Natalia Linou (Linos) the new Executive Director of the Harvard FXB Center for Health and Human Rights. Formerly a policy specialist at the United Nations Development Programme (UNDP), she has worked in international development for the last decade, mostly with the United Nations in Beirut, Lebanon and at headquarters in New York.

Ruth DeFries

Ruth DeFries is a professor of ecology and sustainable development at Columbia University in New York. She uses images from satellites and field surveys to examine how the world’s demands for food and other resources are changing land use throughout the tropics. Her research quantifies how these land use changes affect climate, biodiversity and other ecosystem services, as well as human development.

Howard Frumkin

Howard Frumkin is Professor Emeritus of Environmental and Occupational Health Sciences at the University of Washington School of Public Health, where he served as Dean from 2010-2016. He is an internist, environmental and occupational medicine specialist, and epidemiologist, who has worked in academia and public service.

Daniel Shrag

Daniel P. Schrag is the Sturgis Hooper Professor of Geology at Harvard University, Professor of Environmental Science and Engineering, and Director of the Harvard University Center for the Environment. Schrag studies climate and climate change over the broadest range of Earth history. He is particularly interested in how information on climate change from the geologic past can lead to better understanding of anthropogenic climate change in the future.

Andy Haines

Andy Haines was Director of the London School of Hygiene & Tropical Medicine (LSHTM) for nearly 10 years until October 2010 and continues to work at LSHTM as Professor of Public Health and Primary Care. He was previously a Professor of Primary Health Care and Director of the Department of Primary Care and Population Sciences at UCL and formerly Director of Research & Development at the National Health Service (NHS) Executive, North Thames.


Planetary Health Alliance

The Planetary Health Alliance is a consortium of over 120 dedicated universities, NGOs, government entities, research institutes, and other partners around the world committed to advancing planetary health.
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