Director of the Institute of Avian Research "Vogelwarte Helgoland", professor of zoology at the University of Oldenburg and editor of the Journal of Ornithology. From 2001 to 2012, President of the German Ornithologists' Society.

Studied Environmental Sciences at Milan University. Currently head of EU Policy relevant for biodiversity conservation at BirdLife International.

Senior Research Associate at Cambridge University, Dept of Zoology. He has served BirdLife International as Director of Science, Director of Development and Deputy Director, and now works as Leventis Fellow in Conservation Biology.

Scientist at the Catalan Ornithological Institute and coordinatior of the EuroBirdPortal (EBP) project, mobilizing citizen science information at the continental scale.

Beate Jessel, President of the German Federal Agency for Nature Conservation (BfN); she has been Professor for Landscape Planning in Potsdam and Munich and is now teaching at the University of Bonn.

Scientist at the Swiss Ornithological Institute in Sempach (SOI) and Chair of the new European Breeding Bird Atlas (EBBA2) Steering Group.

Researcher at the RSBP Centre for Conservation Science. Involved in the assessment of offshore wind developments. Honorary Lectureship at the University of Glasgow.

Johannes Wahl is a scientist at the DDA (Umbrella organization of German Avifaunists). He coordinates the International Waterbird Census in Germany and the Citizen Science project ornitho.de