ESS is organized as a core with two surrounding layers

Core – the administrative and logistical management is the responsibility of Ms. Sandhia Punwasi; Mr. Bart De Dyn is the Director / CEO

Inner Layer – associates of ESS which do all commercial work via ESS; these currently are: Mr. Bart De Dyn, Ms. Chantal Landburg, Ms. Sandhia Punwasi, Mr. Giani Razab-Sekh and Mr. Raoul Boedhoe; also Mr. Sietze van Dijk who does part of his commercial work via ESS

Outer Layer – local and international consultants, either companies or individual experts, who are contracted for specific jobs, based on the client’s requirements.
Core and Inner Layer

Junior Consultant Bachelor of Science (BSc) in Environmental Science – orientation Technology from the Anton de Kom University of Suriname, with 11+ years of work experience in Suriname. She has worked as an environmental consultant since 2017, mainly in the context of ESIA

Consultant Biodiversity, Conservation and Environmental Impact Assessments Licentiaat (MSc equivalent) in Biology from the University of Gent in Belgium, with 27+ years of experience in nature conservation and ecological baseline and impact assessment, mainly in Suriname

Consultant Environmental Management Master of Science (MSc) in Sustainable Management of Natural Resources from the Anton de Kom University of Suriname, with 15+ years of experience in project development & management, water and ecological (field) studies & related training programs in Suriname

Master of Science (MSc) in Tropical Forest Ecology from the University of Wageningen (NL), specialized in sustainable forest management and certification, and related capacity building and institutional support, with 37+ years of experience worldwide (of which 20+ years in Suriname)

Master of Science in Tropical forestry from Bangor University in Wales, UK. Giani has over seven year of experience in tropical forest with proven skills in project management, silvicultural research, sustainable forest management, forest certification auditing, rural livelihood development and university lecturing

Bachelor of Science (BSc) in Environmental Science from the Anton de Kom University of Suriname with experience in biodiversity baseline studies as well in environmental, biodiversity and agricultural training programs
Outer Layer
Over the years, ESS has established partnerships with national and international experts and companies to tackle more complex jobs in Suriname and the region.

Master in Leisure, Tourism and Environment from the Wageningen University in The Netherlands, chairman of a foundation for conservation and sustainable tourism, with 30+ years of experience in nature tourism and capacity building in Suriname

Doctor in Botany from the Museum National d’Histoire Naturelle in Paris, France, with 15+ years of worldwide experience, including in French Guiana and Suriname, in assessment and conservation of flora, vegetation and biodiversity in general

Doctor in Biology from the Louisiana State University in the USA, specialized in neotropical birds, with 10+ years of experience in faunal surveys, and impact assessment studies in the Americas, including Suriname and Guyana

Doctor in Biology from the University of Toronto in Canada, specialized in small mammals, with 25+ years of worldwide experience in faunal surveys, impact assessment studies and field training, including in the Guianas

Doctor in Biology from the University of Leiden in The Netherlands; specialized in reptiles and amphibians of the Guianas, with 30+ years of experience in surveys, impact assessment studies and field training, mostly in the Guianas

Doctor in Biology from the University of Suriname, specialized in the ecology of the fishes of the Guiana, with 25+ years of experience in surveys and impact assessment studies in the Guianas


Ph.D. and M.A. in Anthropology with 27 years of international experience in archaeological surveys, publications (reports, journal articles, book contributions and presentations) as well as consultancy work in the context of e.g. impact assessments
We can mobilize an even wider range of expertise
if the job requires it!