Johanna Langbroek - Country Director 

Johanna is the Country Director who is deeply passionate about promoting environmental sustainability, equity, human rights, and economic opportunities in vulnerable communities. She has a wealth of experience and a diverse background, having served as Country Director for Plan International in Nicaragua and Regional Director for KNCV Tuberculosis Foundation in Central Asia and Latin America. In these roles, she directed innovative programs in Nicaragua, Bolivia, Colombia, Venezuela and the Dominican Republic and championed collaborative solutions to complex challenges.  These experiences fostered her deep appreciation for the region's beauty and its people.

Aiesha Williams - Conservation Director 

Aiesha is the Conservation Director with the responsibility for managing and giving oversight to WWF’s conservation programme in Guyana and Suriname. She joined WWF in 2004 and possesses strong management and leadership skills, with extensive expertise in biodiversity conservation, freshwater and protected areas management, community-based conservation and partnership management and stakeholder engagement. She holds a Master’s Degree in Conservation and Tourism from the Durrell Institute of Conservation and Ecology (DICE) at the University of Kent.  Aiesha is a member of the Guyana Heritage Society and loves to travel.

Juliette Pawirosonto - Finance & Administration Manager

Juliette is a highly qualified professional with a Master's degree in Business Administration. In her role, she oversees all financial and administrative aspects of the WWF-Guianas program, including the meticulous preparation and monitoring of annual budgets. Additionally, she adeptly manages donor contracts and ensures accurate and timely reporting.

Ida Tanoesemito - Senior Accountant

Ida is a dedicated professional who meticulously monitors project budgets to ensure financial efficiency. She excels in preparing comprehensive financial and donor reports, leveraging her keen analytical skills to provide valuable insights. Her deep love for nature is intricately woven into her work, inspiring a commitment to sustainable practices. Ida also plays an integral role in shaping and maintaining a strong organisational culture in the office.

Jerry A-Kum - SFL Programme Coordinator

Jerry has always had a strong desire to work with people. The extensive experience he has accrued throughout his career in several key development areas, as well as the leadership positions he has held in his native country of Suriname and elsewhere, give him the advantage to bring about the change he envisions for the lives of tribal and Indigenous communities. Jerry joined WWF-Guianas in July 2023 as Programme Coordinator for the Sustainable Forest Livelihoods project for Guyana and Suriname. As of now, this has been a fantastic journey.
 

Anna Mohase - Landscape Coordinator 

As a professional forester, Anna has worked in Guyana’s forest sector for most of her professional career. Anna has dedicated her efforts to the sustainable management of forests and is now supporting the efforts towards forest and wildlife conservation, focusing on reducing deforestation and jaguar conservation. Conservation of forests as a part of maintaining forested areas for the sustainability of future generations; Anna feels that our collective efforts towards forest conservation are most critical at this time, and we can all do our part.

Soraya Wijntuin - Oceans Coordinator 

Soraya joined the WWF-Guianas Oceans team in October 2020. She has a master's degree in biodiversity conservation and sustainable development in the Caribbean. Soraya has years of experience in conservation and working with local communities. She currently leads regional and national projects to protect sea turtles and sustainable fisheries, in which creating partnerships between governments, organisations and affected local people is crucial.

Sara Henry - SFL Assistant Programme Coordinator 

Sara proudly became a panda in July 2023 as the Assistant Programme Coordinator and lead in Guyana for the SFL project. In her eight year as a practitioner in nature conservation and development in Guyana, Sara's unique experiences and perspectives from working with the government and local communities and genuine ability to navigate dynamic stakeholder environments are an incredible asset to the SFL project and WWF team. Sara has a strong background in project management, biodiversity conservation from the policy and planning aspect, and stakeholder management. Under the SFL project, she's eager to continue her work with grassroots communities to develop and benefit from conservation and forest-friendly livelihoods. 

Diana Fernandes - Technical Officer

Owinthia Hunte - Office Assistant

Owinthia Hunte joined the Guyana Office of WWF in February 2012. Since then, she has been taking care of all practical aspects linked to the upkeep and smooth functioning of the adminsitritive ascpets of the office, as well as the key responisiblity of office receptionist.

Wendy Sisal - Accountant

With a university degree in Economics, Wendy supports the finance team with her dedicated, flexible, positive, and results-driven work attitude. She has been the  Accountant since August 2017 and is mainly responsible for the day-to-day financial and accounting operations of the office. For a healthy work-life balance, Wendy loves aqua aerobics and enjoys recreational activities in nature with her family.

Marleen Stoffelen  - Communications Officer

Marleen has been part of the WWF-Guianas team since 2022 as Communications Officer for Suriname. With her marketing and communication experience from the corporate world and background in social sciences, she wants to ensure that the excellent work WWF-Guianas does is widely supported, inspires people and encourages behavioural change. In 2011, Marleen moved from the Netherlands to Suriname, where her love for her husband (and now family) and the country has grown.
 

Maureen Menasse - Grants Manager

Maureen has been the Grants Manager in Suriname since 2008. As such, she is responsible for processing and managing grants, consultancies, and other agreements in Suriname, working closely with grantees and contractors to help them fulfil their agreements in accordance with the terms. In her spare time, Maureen enjoys the outdoors and a good workout!

Haidy Hoepel-Aroma - SFL Project Technical Officer 

Kemptorne Daly - Communications Officer

Kemptorne is our Communications officer; he specialises in developing and designing communications materials. He is skilled in creative writing, using digital design tools, photography, media relations and web design. He possesses a combination of experience, education, and expertise, which he amassed in over ten years in digital media production, public and corporate relations, and the management of integrated media campaigns. He is interested in connecting the visual creative process to people's social and cultural identity. Kemptorne joined WWF in October of 2019 and holds a Master of Arts - focused on Media and Cultural Studies from the University of Sussex.

Melissa Gordyk - Office Manager

Melissa is a 14-year veteran of WWF and as Office Manager she is responsible for the coordination and smooth running of the Administration Department. Prior to joining WWF, Melissa was employed in temporary positions at the European Union Commission and Micro Projects. She also taught English part time at the Ewald Meyer Lyceum 2. Melissa's love of nature and wildlife makes her job very interesting and informative. She is a devoted dog lover and owner. Her hobbies are traveling abroad, whenever possible, swimming in natural environments and listening to music from the baby boom era. Spending quality time with family is a major priority.

Teressa Jacobs - SFL Project Technical Officer

Teressa assumed the role of Project Technical Officer in February 2024 and works on the Sustainable Forest Livelihood project in Guyana. Her professional background, which is centred on disaster risk management and climate governance within the context of agriculture, brings a unique and valuable perspective to conservation. Teressa also has a Master's degree in Disaster Risk Management and Climate Governance, bringing a distinctive amalgamation of expertise and knowledge to the WWF-Guianas team.

​Dayshawn Billingy -
Technical Officer

Dayshawn Billingy is our new Technical Officer, focused primarily on the Mercury Phaseout Project. He brings ten years of mining experience. He is a Metallurgical /Technical Expert and experienced in hands-on execution of projects. He was the technical officer for the Planet GOLD mercury-free project with Conservation International, Guyana and served recently as a consultant on our mercury phaseout project in Guyana. He has a bachelor’s degree in Chemistry and certificates in Extraction Metallurgy, Mineral Processing, and Project Management Professional.