Our professionals

Photo: bones64/ Pixabay

UNEP-DHI Centre staff consists of leading professionals with a diverse range of skills and experiences. UNEP-DHI Centre draws upon DHI’s technical expertise, across departments and geographies, on a flexible basis based on needs and demands. In a typical year, this results in approximately 30-40 DHI technical staff supporting the Centre’s work. 

Core staff

Joakim Harlin

Chief Manager of unep-dhi centre

Dr. Joakim Harlin leads the UNEP-DHI Centre, providing an important anchor to UNEP, as well as strategic direction. Joakim is a water resources and international development professional. He is also head of the Freshwater Unit of UNEP in Nairobi and he is responsible for the overall coordination and implementation of global policies and programmes under the Freshwater Strategy 2017-2021. Also serves as UNEP’s representative in UN-Water and leads its Expert Group in support of Agenda 2030. 

Gareth James Lloyd

Deputy chief manager

Gareth James Lloyd is responsible for overseeing the implementation of the Centre’s work, as well as coordinating the Centre’s ongoing development, under the guidance of Joakim. He has degrees in environmental science and development policy from universities in the United Kingdom and Denmark, and has previously worked in software development in the private sector. 

Maija Bertule

Senior technical advisor

Maija has a degree in international development and environmental planning and her work over the last years has specifically focused on supporting the global monitoring and reporting on SDG 6, climate change adaptation, green infrastructure and strategic science and indicator use for improved water management. Maija is part of the core team at UNEP-DHI Centre, as well as the SDG indicator team in UNEP, supporting countries in their reporting on integrated water resources management implementation.

Paul Glennie

Senior technical advisor

Paul Glennie’s areas of expertise include integrated water resources management and transboundary cooperation (SDG Target 6.5), climate change adaptation, information management systems for sustainable development and freshwater ecosystem management. Previously, Paul worked in flood modelling in Australia, where he now lives. 

Lisbet Rhiannon Hansen


Lisbet has degrees in Geography and Human Security, and has a technical background working with climate change adaptation, disaster risk reduction and water resources management. Before joining the Center, Lisbet worked as a project manager for transboundary water resource management projects in the development aid sector, and has experience working in South-East Asia, Africa and the Balkans. At UNEP-DHI, Lisbet is working with tools and knowledge products that promote action to achieve the SDGs.

Torsten Bondo

Senior programme advisor

Torsten has a PhD in climate science/remote sensing and +20 year work experience from private industry, university and international organizations. In the UNEP-DHI centre he supports international development activities by developing new projects, establishing strategic partnerships, strengthening DHI water resource services and improving the collaboration between the centre and other UN agencies.

Per Bøgelund Hansen


Per has a degree in environmental engineering (MSc, DK, 1982) and has for nearly four decades been working with water resource management in Europe, Asia and not least Africa. He has advised national water resource authorities as well as transboundary river basin organisations within technical and institutional challenges related to water management and/or climate adaptation. He has supported Danida, Sida and UNEP in formulation and review of developing projects in both anglophone and francophone countries. Per has worked for DHI since 1997 and been part of the UNEP-DHI team since 2001.

Henrik Larsen


Henrik Larsen has a degree in environmental engineering and works with integrated water resources management, river basin planning, water quality management, and water-related information management systems, all mainly in developing countries in most regions of the world. Henrik has worked for the UNEP-DHI Centre for many years and also served as Chief Technical Adviser for the Mekong River Commission.

Associated staff

Jens Erik Lyngby

Chief advisor

Alexandra Murray

Water resources engineer

Chengzi Chew

Business development manager

Kim Wium Olesen

Chief Engineer

Christian Tøttrup

Senior Project Manager

Laura Comeau

Senior hydrologist

Oluf Zeilund Jessen

HEAD OF Water Resources Department

Bertrand Richaud


Silvia Leiriao

Water resources engineer

Elbys Jose Meneses

IT Consultant

Jannik Anthonj


Jens Kristian Lørup

Senior Hydrologist

Nisha Gill Hansted

Water Resources Engineer

Jakob Luchner

Water Resources Engineer

Henrik Giørtz Muller

Senior Software Engineer

Nicola Balbarini

Water Resources Engineer

Ronald Sutantio


M. Husna Prayoga

UI Graphic Designer

Torsten Vammen Jacobsen

Senior Hydrologist

Jonas Blüthgen Sølvsteen

Data Engineer & Head of Software and Technology

Jesper Goodley Dannisøe

Senior Project Manager, Ecologist

Daniel Druce

Remote Sensing Specialist

Silvia Huber

Senior Remote Sensing specialist and Project Manager

Sophia Seitz-Rasmussen

UX Designer

UNEP-DHI Centre on Water and Environment

Agern Allé 5, 2970 Denmark

Tel: +45 45169200