Constant Tedder is the founder of Earth.Org, with over 20 years of experience in building successful organisations in Europe and Asia.
As a passionate entrepreneur Constant co-founded Jagex Ltd in 2001, developer/publisher of RuneScape; the Hive in 2011 - Asia's leading co-working brand, now part of The Flexi Group.
Constant now spends all his entrepreneurial energy building FlyFarm - Asia's leading Black Soldier Fly Agri-tech company to address the twin challenges of organic waste bioconversion and sustainable protein production with cutting edge robotics, automation and sensor driven system software.
With Earth.Org, Constant aims to build a platform for encouraging activism to address the climate and biodiversity crisis. Earth.Org aim through clear reporting and thinking is to build movement of activists who seek reform to the way our societies are organised to promote well being, happiness, equity and a sustainable future.
Martina is a journalist and editor with experience covering climate change, extreme weather, climate policy and litigation. She is the Editor-in-Chief at Earth.Org, where she is responsible for breaking news coverage, feature writing and editing, and newsletter production. She singlehandedly manages over 100 global contributing writers and oversees the publication's editorial calendar. Since joining the newsroom in 2022, she's successfully grown the monthly audience from 600,000 to more than one million.
Before moving to Asia, she worked in Vienna at the United Nations Global Communication Department and in Italy as a reporter at a local newspaper. She holds two BA degrees - in Translation Studies and Journalism - and an MA in International Development from the University of Vienna.
Afshan Khan is an Assistant Secretary-General of the United Nations and Coordinator of the Scaling Up Nutrition (SUN) Movement. Ms. Khan was appointed by United Nations Secretary-General Antonio Guterres. she served in UNICEF as the Regional Director for Europe and Central Asia and Special Coordinator for the Refugee and Migrant Response in Europe. She has also led UNICEF’s humanitarian work as Director of Emergency Operations and its external relations with governments as Director of Public-Sector Alliances and Resource Mobilization.
Aiyanna holds a Bachelor's of Arts in Environmental Studies and a minor in Spanish from Point Loma Nazarene University. She is currently pursuing environmental law and working at a law firm, as well as volunteering with local organizations like the Sierra Club and the Center for Marine Debris Research to accomplish these agendas. As a resident of Hawai'i, Aiyanna sees firsthand the negative effects humanity can have on our planet if we are not careful to protect it.
Amir H. Khodadadi holds a bachelor's degree in industrial engineering and a master's degree in economics of development and planning from Science and Research University in Iran. He is currently pursuing a master's degree in Agricultural and Food Economics at the University of Bonn. Having worked as a lecturer in industrial economics and as an urban economics analyst, Amir developed a passion for political economy and studies on underdevelopment. His current research focusses on industrial economics, agricultural economics, the green economy, green finance, and the global financial crisis.
Amish Chhagan is a Zambia-raised, award-winning wildlife and conservation photographer based out of Barcelona, Spain. Growing up in Zambia, he was fortunate to be in close proximity to the African flora and fauna. His role as a wildlife photographer exists because there are beautiful and spectacular moments to capture in the wild, but an important duty exists to preserve and conserve the wilderness and its natural habitat. This gives him a bigger sense of responsibility as a human and photographer to use his work to showcase the beauty of the once-abundant wildlife we had on the planet. Amish recently joined the EO Photographer community.
Andrew is a Data Scientist based in the UK. Get in touch if you're interested in using machine learning and data analysis for environmental sustainability, land justice and social good.
Anjana is a sustainability professional based in India, with expertise in carbon accounting and management. Her focus areas also include biodiversity conservation, ecosystem restoration, the economics of climate change and sustainable business strategies. Anjana is deeply committed to raising awareness, finding solutions for environmental issues and contributing to a more sustainable future.
Annie is a freelance writer based in the UK. She has written for a variety of prestigious online and print publications. She specialises in lifestyle, business, branding, digital marketing and HR.
Ms. Armida Salsiah Alisjahbana is Under-Secretary-General of the United Nations and Executive Secretary of the Economic and Social Commission for Asia and the Pacific (ESCAP). Prior to joining ESCAP in 2018, Ms. Alisjahbana was Professor of Economics at Universitas Padjadjaran in Bandung, Indonesia. From 2009 to 2014, she was Minister of National Development Planning and the Head of the National Development Planning Agency (BAPPENAS), Indonesia.
Assaf Levy is the Founder & CEO of BioDB.com - a group tasked with collecting conservation data, raising awareness for biodiversity loss and fundraising.
Austin Jenish is a Legal Researcher and writer, and a recent graduate from Monash University in Melbourne, Australia. He completed a Bachelor of Laws (Honours) and Bachelor of Science double degree, majoring in genetics. Austin currently works at a boutique law firm and also volunteers as a scientific researcher with the Genetic Support Network of Victoria. He previously served for nearly two years as a conservation status assessor with the International Union for the Conservation of Nature (IUCN), and has contributed both environmental law and public policy research for various NGOs. Through Monash Law Clinics, he prepared an environmental litigation memorandum for a barrister and researched to assist the Cook Islands in their submissions to the UN Plastic Pollution Treaty negotiations.
Brieuc Pont is France's Special Envoy on Nutrition and Secretary General of the "Nutrition for Growth" Summit. Prior to his current position, Mr Pont was Ambassador of France to Nicaragua (2020- 2023) and Consul General in São Paulo (2016- 2020), covering the five southern States of Brazil. He previously served as Deputy Diplomatic Advisor to Prime Minister Manuel Valls (2014-2016) and Diplomatic Advisor to Mr. Pierre Moscovici in his capacity of Minister of Economy and Finance (2013-2014). Mr. Pont, joined the French Foreign Service in 2006 as Associate spokesman and served at the French Mission to the United Nations in New York as First Secretary, Spokesperson, Head of Press and Communication and Chief of Staff of Ambassador Gérard Araud.
"Bronwen Dingeman is a Detroit-based writer and researcher currently completing a Bachelor of Arts in English with minors in Anthropology and Creative Writing from Wayne State University. Their work focuses on creative and practical applications of ecofeminist theory, exploring the intersection of ecologies, gender, and sustainability practice. With years of experience programming sustainable outdoor adventures, Bronwen has shared her love of the outdoors with others through educational initiatives that emphasize environmental stewardship and writing poetry.
Céline is a policy researcher and writer based in Rome, Italy. Having lived in ten countries across three continents, she brings a global perspective to her work, which focuses on translating complex policy issues into clear and engaging content. A graduate of LUISS Guido Carli and CIFE with a Master’s in Global Economic Governance and Public Affairs, Céline has worked with a wide range of NGOs on issues ranging from the Sustainable Development Goals to sports sustainability. Through her writing, she seeks to inform and inspire action for a more just and sustainable world.
Chimbusonma Ikeyi is a final year student at the University of Nottingham, studying Agriculture and Crop Science. She is passionate about fostering global agricultural resilience, particularly in low-income economies. Upon graduation, Chimbusonma will pursue an MSc in Environment, Policy and Development at King's College London. She is committed to understanding how finance and policy can be leveraged to dismantle systemic barriers to sustainable agricultural development.
Chloe works in countryside education and training, driven by a passion for climate issues, sustainability, and global biodiversity. With an MSc in Earth Sciences from the University of Amsterdam, specializing in environmental management, and a BSc in Wildlife and Countryside Management, she combines her scientific and academic background with a commitment to positive environmental change. Her experience spans scientific research, nature-driven finance, and practical conservation. Through her writing, Chloe aims to inspire action, raise awareness, and highlight the urgent need to protect our planet.
Christian Saravia is a passionate writer and environmental advocate with a strong interest in sustainability, environmental science, and conservation. Currently pursuing a degree in Animal Health and Behavior, he is passionate about understanding the relationship between wildlife, ecosystems, and human impact. With experience in research and content creation, he focuses on topics such as biodiversity, climate change, and sustainable solutions. As a contributor to Earth.Org, Christian is eager to share insights on environmental matters.
Christine is an ecologist, educator, and writer currently living between the US and Bahrain. Before becoming a high school teacher, Christine worked on wild wolf recovery, studied plague in the US prairie, and tracked endangered rabbits in NY. At the University of Maine, she earned her MS studying the effects of landscape change on Lyme disease. Christine is passionate about combining her background as a scientist with her knowledge of education and storytelling to help make science accessible for everyone.
Clara Steel is an aspiring wildlife conservationist with a background in law. After graduating from university and dabbling in the culinary industry, she discovered her passion for conservation and environmental sustainability. Having completed courses in animal behaviour, marine ecology and conservation research, she hopes to continue her education in zoology to one day work in wildlife rehabilitation centres.
Colin is dedicated to building community resilience to the health impacts of climate change, preserving biodiversity, advocating for clean energy, plastic and waste reduction and environmental and wildlife protection. He completed undergraduate (Central Washington University) and graduate (University of Washington) degrees in public health with a focus on the intersection of climate change, public health, environment and equity. Colin has held diverse climate change and health-oriented professional roles for government, non-profit and academic institutions in the US Pacific Northwest.
Fahd B. Isa is a lawyer and energy professional with extensive experience in advising on complex commercial agreements, corporate governance, and innovative energy policies. He actively champions climate advocacy through leadership roles at the International Bar Association, serving as Nigeria’s National Representative in the Young Lawyer Committee, and through volunteer work at the United Nations Framework Convention on Climate Change’s YOUNGO. Fahd centres on fostering sustainable economic growth by shaping effective policies and exploring carbon market opportunities across Africa and the Global South. He holds an MBA in Finance and Investment.
Fiona is a contributing writer hailing from Andorra. With a MSc in Climate Change from the University of Copenhagen in Denmark and a Bachelor's degree in Global Studies from UPF in Barcelona, she brings a diverse academic background to her work. She has a particular interest in climate change adaptation strategies in mountain areas and is passionate about research. She also possesses experience in carbon emission calculations, further enhancing her expertise in environmental issues. With her unique background and passion for sustainability, she is dedicated to raising awareness and finding solutions to the challenges posed by climate change.
Geetanshu is passionate about finding data-driven solutions to address the climate challenge. He currently works as a data analyst at an Ad-Tech startup in New Delhi, India. At Earth.Org, he writes about climate economics and policy-related issues and is part of the data science team. He holds a bachelor’s degree in economics and finance from the University of Hong Kong and a master’s degree in economics from Ashoka University, India. In his free time, he enjoys meditating and questioning the nature of existence.
Harsh Vaibhav is a passionate climate professional with a burgeoning passion for climate change impacts and justice, net-decarbonization, and the clean energy transition. He holds a Bachelor's in Chemical Engineering from India and a Master's in Energy Science, Technology and Policy from Carnegie Mellon University. His focus areas span energy storage, circular economy, embodied carbon analysis and clean transportation. Harsh has experience building qualitative and quantitative models for carbon footprints, project financing and circular economy. Beyond his technical expertise, he is dedicated to advancing climate action through initiatives like Global Shapers and Earth.Org. He hopes to work for a future where sustainability is at the crux of every engineering and design principle in the world.
Genevieve Hilton has worked in corporate affairs and sustainability in the Asia Pacific region since 1994. She previously led ESG and communications in Asia Pacific for Lenovo, as well as Corporate Citizenship and External Communications Asia Pacific for BASF. Since taking a step back from the corporate world in 2022, she has become a full-time sustainability activist and writer. Under the pen name Jan Lee, she is an award-winning science fiction writer. She is the co-author, with Steve Willis, of "Fairhaven – A Novel of Climate Optimism" (Habitat Press UK), a winner in the Green Stories contest. Her work has also been nominated for a Pushcart Prize and recognized several times in the “Writers of the Future” contest. She also is Editor-in-Chief of The Apostrophe, the quarterly magazine of the Hong Kong Writers Circle. She currently acts as a senior advisor for a number of environmental and social activist organizations.
Jean-Baptiste Vaujour is an energy economist. He is a Professor of Practice at Emlyon Business School and the founder of a consulting firm. He is a registered expert at the European Commission on Energy and Infrastructure Financing, a member of the Future Energy Leaders of the World Energy Council, and a recipient of the Marcel Boiteux Prize for Energy Economics.
Julianna Barcela is a graduate of Journalism and Politics from the University of Hong Kong. She joined Earth.Org in March 2025 with a passion for exploring environmental issues through a socio-economic, consumerist, and feminist lens, focusing particularly on the Global South.
Kareff Rafisura is with Space Applications Section of the United Nations Economic and Social Commission for Asia and the Pacific (ESCAP). Kareff has extensive experience in climate change adaptation, disaster risk reduction, and environmental sustainability at the community, national and regional contexts. She has worked for the United Nations over the past 15 years and has a graduate degree in Earth and Environmental Sciences with a focus on climate and society from Columbia University in New York.
Kavelle Christie, MSc. in Global Health, is a health policy expert with over a decade of experience leading high-impact policy campaigns, advocating for equitable healthcare access, and driving systemic change in maternal and reproductive health.
Kelly is a multimedia journalist based in Hong Kong who covers politics, culture, technology, and the environment. She graduated from the Chinese University of Hong Kong with a journalism major. Her work has appeared on RTHK and SCMP. She is passionate about telling stories that explore how climate change and public policies impact both humans and wildlife.
Manleen Dugal is an independent consultant (policy and law) on international environmental/climate change, trade and development policy matters. She has been an advisor to several WTO developing country members since 2004. Manleen has a Master’s degree in Environmental Law and Policy from Vermont Law School, a MSc in Development Economics from University of Manchester and a Masters in Trade Law and Economics from the World Trade Institute in Bern. Manleen is passionate about writing on environmental/climate change topics and conveying complex and multi-dimensional issues to a wider audience in an accessible manner.
Marcos is an award-winning photographer from Rio de Janeiro, Brazil. He worked as a photojournalist for 25 years for the newspaper O Globo. At the end of 2019, he began documenting the real and rapid changes happening around us that threaten both the well-being of humans and nature. His work was featured in numerous exhibitions and books.
Marianne is a Hong Kong-based journalist and an honorary lecturer at the Journalism and Media Studies Centre at the University of Hong Kong. After working as a social scientist in New Zealand she studied for a masters in journalism at Columbia University in New York. She has worked for major outlets like CNN.com, AFP, Reuters and Bloomberg and freelances for The Economist, Restofworld.org and Context.com, among others. She teaches a climate reporting course at HKU and is a judge for the annual Society of Publishers in Asia journalism awards.
Max Bruneau is a French-American citizen with Chilean heritage, and a recent graduate in Political Science and International Development from McGill University. With a background in communications and international relations, he has contributed to the work of intergovernmental organizations focused on environmental cooperation and citizen mobilization, to promote a more sustainable future.
Michael is a MSc student in a joint program between University College Dublin and Justus Liebig University, studying global change: ecosystem science and policy. He also holds two bachelor’s degrees in environmental science and policy, as well as integrative animal biology from the University of South Florida. Michael has a strong veterinary background, working hands on in marine and wildlife rehabilitation for several years. He has also completed research with the Smithsonian Conservation Biology Institute and other conservation organizations in the United States. His interests include habitats and biodiversity, environmental economics and policy, sustainable development, pollution, and environmental degradation focusing on deforestation.
Mitota is a passionate sustainability geek, tech & AI enthusiast, with a solid academic background and diverse experience. He holds a degree in Industrial Safety and Environmental Technology and is currently pursuing an MBA in Entrepreneurship and Innovation. With over four years of experience implementing EHS and tech-driven process improvement across industries, he specialises in business process analysis, process improvement, data analysis, designing sustainable solutions that align with technological innovations. Beyond his professional endeavors, he actively volunteers for youth-led sustainability initiatives, driven by his passion for environmental sustainability, climate change, energy, health, and safety, sharing insights on these topics through thought-provoking articles to raise awareness and inspire action.
Nansen is a Year 3 student studying international journalism at the Hong Kong Baptist University. He is Earth.Org's 2025 summer intern, where he is writing stories to expose and explain environmental issues with a focus on Hong Kong.
Natalie is an LA-based media strategist and yoga teacher with a lifelong love for the outdoors. Growing up immersed in nature—camping, skiing, hiking, and assisting her father on bird photography adventures—she developed a deep appreciation for environmental conservation. A graduate of Villanova University with a BA in Communications and English and a minor in Business, Natalie has honed her ability to transform complex research into engaging and impactful stories. Through her contributions to Earth.Org, she aims to use her writing skills to educate others and inspire action against the climate crisis.
Paula is a contributing author from Barcelona with a MsC in Scientific, Medical and Environmental Communication from UPF in Barcelona, and a bachelor’s degree in biotechnology at UVic-UCC. Since 2016, she has been working in scientific communication, gaining extensive experience in writing about health, medicine, science, the environment, and R&D+i. She is currently working at BETA Technological Centre, a research organization focused on environmental technologies, circular bioeconomy, sustainable agriculture, and industrial decarbonization, while also contributing to a Swedish magazine, covering science news from the Nordic region.
Rachel works at Columbia University and is currently a graduate student in the Social-Organizational Psychology program at Teachers College, Columbia University. Rachel began her career in higher education at Brown University working in human resources. She currently sits on the communications team in the president’s office at Columbia where she writes, edits, and manages digital and print communications from a variety of stakeholders. She is passionate about writing and storytelling, and she is strongly motivated by having a greater impact on a community. Climate change has been a pressing topic in the higher education space with the opening of the Columbia Climate School in 2021, and she is pleased to have an opportunity to make a positive impact at Earth.Org.
Sabrina Soon Wan Yi is a sustainability professional with expertise in ESG policy, data analysis, and corporate strategy. Motivated by her passion in environmental stewardship and a commitment to addressing climate injustice, she has pursued a Masters in Climate Change and a Bachelors in Environmental Studies from the University of Waterloo. She now lives in Singapore and her current role combines research acumen, stakeholder engagement, and technical skills to advance sustainability reporting and corporate responsibility in Asia.
Saleha Noor is a passionate writer and editorial professional who covers culture, sustainability, and fashion. She is currently based in Dubai and has worked with prominent regional publications such as WIRED Middle East and Vogue Arabia. Her time with non profit organisations such as Redress Asia in Hong Kong and Shirkat Gah in Pakistan have made her committed to raising awareness on environemntal issues and inspiring change. She is a graduate of the City University of Hong Kong where she studied Asian and International Studies.
Sasha Fernando is an environmental professional with over 20 years of experience in fisheries management, aquaculture, aquatic ecology, and the construction trades. With a career spanning government, academia, consulting, and research, Sasha is passionate about conservation and combines scientific expertise with practical skills to make environmental science accessible and actionable—supporting resilient ecosystems and thriving communities.
Silvia is a graduate from the University of Brussels with a master's degree in Political Science and International Relations. Passionate about sustainability and nature preservation, her focus areas include EU politics, climate justice, and environmental governance and international law. She is currently specialising in the intersection of climate change and human rights. She aims to join research and politics in order to find sustainable solutions, raise awareness, and contribute to a better future.
Slawomir Platta earned his degree from the University of Florida Levin College of Law and the University of Warsaw. He’s been trying construction accident cases throughout the Courts of New York for 20 years and has been featured as a Super Lawyer consecutively since 2015.
Virginia McAll is an MSc Climate Justice student at Glasgow Caledonian University. She holds a BA in Criminology from Nottingham Trent University, and has worked with various social justice initiatives. Passionate about climate justice and activism, she explores the power of storytelling to drive meaningful change. Her interests lie in how film and documentaries amplify marginalised voices, raise awareness, and inspire action on urgent social and environmental issues.
Madina Tussupova is a data visualization enthusiast with a strong foundation in data analysis. She has worked on projects ranging from customer churn prediction to creating interactive Tableau dashboards, showcasing her ability to turn complex data into accessible, impactful stories. Passionate about environmental causes, Madina is excited to contribute her skills to Earth.Org’s mission of raising awareness through data-driven storytelling.
Vimalan completed his PhD in Mechanical Engineering from the University of Texas at Arlington, specializing in fluid dynamics and heat transfer. He’s passionate about environmental sustainability and applies his expertise to address environmental challenges and renewable energy. His interests include data analysis, visualization, and using computational tools to better understand complex systems impacting the environment.
William is the Data Science and Visualisation lead at Earth.Org. He originates from South Africa where he has worked for the United Nations Information Centre as well as for UNICEF. He has ever since worked as a Data Scientist, Analyst, Engineer as well as Governance for the past 10 years. He has worked in several different countries such as New Zealand, the USA, England, Singapore, and Hong Kong, helping different corporates, NGOs as well as the Public Sector in using data to drive operations (“Make data work for you”).
