Meet Our Board of Directors
An environmental scientist and independent environmental consultant based in the United States of America. He holds a PhD in Resource Ecology and Management from the University of Michigan, with academic and professional expertise in environmental sustainability, ecosystem management, biodiversity conservation, and ecological assessment. Dr. Zaber has extensive experience in environmental research, natural resource management, conservation planning, and community-based environmental initiatives. His work focuses on promoting evidence-based approaches to environmental protection, sustainable development, and ecological resilience through interdisciplinary collaboration and applied environmental science.
Throughout his career, he has contributed to environmental monitoring and conservation initiatives addressing biodiversity protection, ecosystem health, and sustainable environmental management practices in different international settings. Dr. Zaber currently serves as the Chairperson of the Board of Directors of the African Transformation on Environmental and Health Action (ATEHA). In this role, he provides strategic leadership and guidance to support ATEHA’s mission of advancing environmental sustainability, public health, research collaboration, and community empowerment initiatives across Africa.
A Professor of Global Health at the School of Public Health and Community Medicine, Sahlgrenska Academy, University of Gothenburg, Sweden. He is a medical doctor, epidemiologist, and internationally recognized researcher with over two decades of experience in global health, epidemiology, and public health research. His research focuses on noncommunicable diseases, healthy ageing, mental health, health inequalities, healthcare access, implementation science, and integrated care systems. Prof. Ng has led and collaborated on several international research projects funded by organizations including the Swedish Research Council, Forte, and Horizon Europe. Prof. Ng has supervised more than 20 PhD students and mentored researchers across Europe, Asia, and Africa. He has published over 190 peer-reviewed scientific articles and served in editorial and scientific advisory roles, including Chief Editor of Global Health Action. As part of his recent international engagement and commitment to strengthening global environmental and public health initiatives, Prof. Ng also serves as a Board Member of the African Transformation on Environmental and Health Action (ATEHA), supporting collaborative research, capacity building, and policy development in Africa
A Public Health researcher and Research Associate at the Environment and Health Unit, KU Leuven, Belgium. She has more than eight years of experience in environmental and occupational health, epidemiology, human biomonitoring, mental health, and public health research. Her work focuses on the relationship between environmental exposures and human health, with particular interest in pesticide exposure, occupational risks, and environmental health challenges in low- and middle-income countries.
Ms. Menouni has contributed to several international research initiatives involving environmental risk assessment, farmers’ health, pesticide exposure, and sustainable public health interventions. She has also participated in academic teaching, scientific communication, grant development, and interdisciplinary research collaborations across Europe and Africa.
In addition to her academic and research contributions, Aziza Menouni serves as a Board Member of the African Transformation on Environmental and Health Action (ATEHA), where she supports institutional development, international collaboration, environmental health research, and capacity-building initiatives aimed at improving community health and environmental sustainability in Africa.
An international socio-legal scholar and lawyer specializing in human rights, rule of law, access to justice, legal aid, judicial reform, and civic space. She has worked globally with governments, universities, international organizations, NGOs, and law firms, including the United Nations, the European Commission, the Council of Europe, and the University of Oxford. Dr. Lemke trained as a civil judge, public prosecutor, and human rights lawyer, and completed her PhD on legal empowerment at the Universities of Oxford, London, and Cologne. She has litigated high-profile cases before international human rights bodies and advised on major justice and governance reforms internationally.
She is the Founder and Chair of the Human Rights and Rule of Law Speaker Series (EnRoL!) and has published extensively on access to justice, human rights lawyering, judicial integrity, and civic engagement. Her work has contributed to international legal aid and justice policy development across Europe and beyond. In addition to her international legal and academic work, Dr. Stefanie Lemke serves as a Board Member of the African Transformation on Environmental and Health Action (ATEHA), supporting institutional development, international collaboration, and policy engagement on environmental and public health issues in Africa.
An agricultural and agribusiness professional currently serving as Commercial Director – Kenya at TIMAC AGRO East Africa. He has extensive experience in agricultural development, crop nutrition, agribusiness management, and commercial strategy across Africa. His professional background includes leadership and technical roles at TIMAC AGRO International, UPL Limited (formerly United Phosphorus Ltd.), and Arysta LifeScience. Pierre Denieul holds a Master of Arts in Agriculture from École Supérieure d’Agriculture d’Angers (2007–2012). Throughout his career, he has developed expertise in agricultural innovation, market development, sustainable farming systems, sales and marketing strategy, stakeholder engagement, and business development within the agricultural sector.
His work focuses on supporting sustainable agricultural productivity, strengthening farmer-centered agricultural solutions, and promoting innovative approaches to crop management and soil health improvement across East Africa. In addition to his professional responsibilities, Pierre Denieul serves as a Board Member of the African Transformation on Environmental and Health Action (ATEHA), where he supports strategic partnerships, sustainable agriculture initiatives, environmental health programs, and institutional development efforts across Africa.
A Tanzanian researcher and toxicology specialist with experience in pesticide management, occupational health, toxicology, environmental sustainability, and public health. He is the Founder and Executive Secretary of the African Transformation on Environmental and Health Action (ATEHA), a non-governmental organization dedicated to advancing environmental protection, public health, climate resilience, sustainable agriculture, and community empowerment across Africa.
Mr. Mwezi has been actively involved in research and field-based initiatives addressing pesticide exposure, highly hazardous pesticides (HHPs), environmental pollution, toxicological risk assessment, and occupational health challenges among farming communities. His work integrates scientific research, policy engagement, community-based interventions, and capacity building to support evidence-based environmental and public health solutions.
He has collaborated with national and international institutions, researchers, regulatory authorities, and development partners on projects related to toxicology, pesticide safety, environmental health surveillance, sustainable agriculture, and public health advocacy.
Through his leadership at ATEHA, Raphael Mwezi continues to promote interdisciplinary collaboration, research innovation, youth engagement, and sustainable development initiatives aimed at improving environmental and health outcomes in Tanzania and across Africa.