Executive Committee
ASIA
Hemantha Withanage
Hemantha Withanage (he/him), a Sri Lankan national, has been advocating for environmental issues over three decades. He holds a science degree from the University of Kelaniya in Sri Lanka and joined the Environmental Foundation in 1990. In 2004, he co-founded the Centre for Environmental Justice, which is now the most prominent environmental organization in Sri Lanka, working from both the law and science fronts. From 2005-2008, Hemantha served as the Executive Director of the Philippines-based NGO Forum on ADB, a network of civil society organizations monitoring the Asian Development Bank. He has also been elected as the International Convenor for the same organization multiple times. Currently, he serves as the Chair of Friends of the Earth International.
North America
Michael Green
Michael Green is Founder and former CEO of the US-based Center for Environmental Health (CEH). Today, he advises corporate, philanthropic and civil society leaders on strategy and social entrepreneurship. He has worked in Washington, DC for the US Environmental Protection Agency (EPA) and US Department of Energy (DOE), in The Hague for the Unrepresented Nations and Peoples Organization (UNPO.). Michael has been a volunteer for Mother Teresa at Kalighat in Kolkata and received the Compassion in Action Award from the Dalai Lama Foundation for his work protecting children from lead. He serves on the Boards of Camp For All Kids (CFAK), and the AYA Research Institute. Michael reports to his direct supervisors, Dylan Green (born 2007) and Juliette Green (2008).
EUROPE
Peter Pierrou
ChemSec, Sweden
Peter Pierrou is a Swedish national who has worked with NGO communications for over 12 years. Today, he is the Director of Communications at ChemSec, a Swedish-based NGO working on chemical issues, and a long-time member of the IPEN network. Besides leading ChemSec's communications, Peter has been involved in the organization's change and the formation of the management team. He has also been deeply involved in ChemSec's fundraising, especially by putting together project ideas and selling ChemSec to new funders. He holds a Master's degree in Journalism from the University of Gothenburg.
LATIN AMERICA
Sofía Chávez Arce
Casa Cem, México
Sofía Chavez Arce is the founder and General Manager of the IPEN PO Casa Cem in Mexico. She holds a Master of Business Administration and a Bachelor of Arts in Economics and Political Science.
In 2007, she founded Casa Cem, an environmental organization that initially worked on waste issues with a special emphasis on e-waste. At present, the organization holds a full program involving research, advocacy, public policy, education, communication, and cultural activities related to chemicals and waste topics. Casa Cem is rooted in community, and links local research to national policy/laws (www.casacem.com). Sofía oversees the organization’s financial/legal/decision-making responsibilities and works in Casa Cem’s research and policy programs. In addition to her long experience in managing an NGO, Sofía has several years of board experience, serving on the board of a family business.
Casa Cem has been an IPEN PO since 2016 and has participated in several of IPEN’s programs during this time. Sofía has several times participated in the IPEN delegation at global policy meetings.
NORTH AMERICA
Charlotte Brody
BlueGreen Alliance, U.S.
Charlotte Brody is the Vice President for Occupational and Environmental Health for the BlueGreen Alliance, a U.S. coalition of labor unions and environmental organizations working together to solve today’s environmental challenges in ways that create and maintain quality jobs and build a clean, thriving, and equitable economy. A registered nurse, Charlotte also serves as the National Director of Healthy Babies Bright Futures, a project to measurably reduce the largest sources of babies’ exposures to toxic chemicals that harm brain development. Charlotte has worked with cotton textile workers and coal mining families, lobbied for and directed a Planned Parenthood, and helped to found Health Care Without Harm, Coming Clean, the Campaign for Safe Cosmetics, Green for All, and Safer Chemicals Healthy Families.
IPEN CO-CHAIRS
SOUTHEAST AND EAST ASIA
Yuyun Ismawati
Nexus3 Foundation, Indonesia
Yuyun Ismawati is a dedicated Indonesian national with over thirty years of work in advocacy for environmental health and for strong policies on chemicals and waste. She is a co-founder and Senior Advisor of the Nexus3 Foundation, the leading Indonesian public interest organization working to protect people, especially vulnerable populations, from the impacts of development on public health and the environment, towards a future of justice and toxics-free, sustainable living. Her career has been characterized by her insightful and passionate drive to address critical environmental challenges through collaborative approaches and innovative solutions that lead to policy changes. In 2009, she received the prestigious Goldman Environmental Prize for her groundbreaking work on reducing pollution and waste, and she is also an Ashoka Fellow and a Leadership for Environment and Development (LEAD) Fellow.
NORTH AMERICA
Pamela K. Miller
Alaska Community Action on Toxics (ACAT), United States
Pam Miller founded ACAT in 1997. Since 2000, ACAT has been awarded multiple federal grants for which Pam has been serving as team leader and, from 2005 through 2016, as Principal Investigator of a research team that includes faculty from four universities in Alaska and New York. These research projects rely on collaborative efforts with tribes in Alaska to address environmental health and justice issues. Pam is a leader in Coming Clean, a national network of groups concerned about chemicals policy reform, and in the Collaborative on Health and the Environment, an international partnership committed to strengthening the scientific and public dialogue on environmental factors linked to chronic disease and disability. She is one of the world’s foremost experts concerning the toxic pesticide lindane, serving on two governmental organizations (United Nations and the North American Commission for Environmental Cooperation) to address international concerns about lindane. She was instrumental in prompting the 2006 decision by the U.S. Environmental Protection Agency to withdraw agricultural products containing lindane from the U.S., the 2010 decision by the same agency to phase out uses of endosulfan, and the 2011 decision by the United Nations Environment Programme to ban endosulfan worldwide under the Stockholm Convention on Persistent Organic Pollutants.
FORMER IPEN CO-CHAIRS
Sharyle Patton, 1998 – 2004
Commonweal
USA
Dr. Romeo F. Quijano, MD, 1998 – 2006
Pesticide Action Network Philippines
Philippines
Jack Weinberg, 2001 – 2005
USA
Prof. Jamidu Katima, 2006 – 2010
Agenda for Environment and Responsible Development
Tanzania
Dr. Mariann Lloyd-Smith, Ph.D., 2006 – 2011
National Toxics Network Inc.
Australia
Emmanuel Calonzo, 2011 – 2015
EcoWaste Coalition
Philippines
Dr. Olga Speranskaya, 2010 – 2018
Eco-Accord/HEJSupport
Russia
Dr. Tadesse Amera, 2018 – 2024
Pesticide Action Nexus Ethiopia
Ethiopia