development team

A global network of scientists, conservation professionals, educators, policy makers, and more.


Interim Executive Board

The Alliance maintains a small leadership team to ensure rapid and thorough action.


William Darwall
Head of the Freshwater Biodiversity Unit
IUCN Global Species Programme,


Anthony I. Dell
Research Scientist
National Great Rivers Research and Education Center, USA

Interim Steering Groups

These teams set the priorities and action items for each of their respective AFL initiatives.



Eren Turak
Research Scientist
GEO-BON & Office of the Environment, Australia

Olaf Weyl †
Principal Scientist
South African Institute for Aquatic Biodiversity, South Africa

deceased, link to obituary


Catherine Sayer
Lead – Freshwater Biodiversity, Biodiversity Assessment and Knowledge Team, Centre for Science and Data, IUCN, UK

Jörg Freyhof
Research Scientist
Museum für Naturkunde Leibniz Institute for Evolution and Biodiversity Science, Germany

Michael Baltzer Director Shoal, UK

Kathy Hughes
Freshwater Habitats and Species Coordinator
World Wildlife Fund, UK

Data & Synthesis:

Education & Outreach:

Ken Irvine
Chair of Aquatic Ecosystems
IHE Delft Institute for Water Education, Netherlands

Jessica J. Lee
Author & environmental historian
Leibniz Institute of Freshwater Ecology and Inland Fisheries, Germany


Ian Harrison
Research Scientist
IUCN Species Survival Commission & Conservation International, USA

Harmony C. Patricio, Ph.D.
Freshwater Fish Conservation Program Manager
Shoal , Global Wildlife Conservation & IUCN SSC Freshwater Fish Specialist Group, USA

Development Team

The Development Team helps establish initiatives and programs of the Alliance. The team offers a balance of both regional and disciplinary expertise.



Hans-Peter Grossart
Leibniz Institute of Freshwater Ecology and Inland Fisheries & University of Potsdam, Germany

Gregor Kalinkat
Research Scientist
Leibniz Institute of Freshwater Ecology and Inland Fisheries, Germany

Aleksandra Lewandowska
Research Scientist
University of Helsinki, Finland

Jens Nejstgaard
Senior Scientist
Leibniz Institute of Freshwater Ecology and Inland Fisheries, Germany

Paul Stewart
Mouth to Source, Slovenia

Simon N. Stuart
Director of Strategic Conservation
Synchronicity Earth, UK

Michele Thieme
Director of Freshwater Science & Ecosystems
World Wildlife Fund, USA

Klement Tockner
Professor & General Director
Senckenberg Society for Nature Research, Germany

Kika Tuff
Founder, Creative Director
Impact Media Lab, USA


Our community of people working together towards real change for freshwater ecosystems.

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