Franz Hölker
Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB),
PD (Assoc. Prof.) for Zoology at the Freie Universität Berlin (FU)

Franz Hölker is ecologist and has been researching biological impacts of artificial light at night on a wide range of biological processes, from gene expression to ecosystem function.
He was Chair of the European COST Action “Loss of the Night Network” (LoNNe), the research platform “Verlust der Nacht” and is currently co-leading the SAW-project “ILES – Illuminating Lake Ecosystems”.

Sabine Frank, B.A.
Cultural Science Coordinator of the International Dark Sky Reserve UNESCO Biosphere Rhön, Fulda, Germany

Amateur astronomer (ever since) and environmentalist. Involved  into dark skies since 2009, she wrote a study at the University of Applied Science in Fulda on how integrate a dark sky reserve into the UNESCO Biosphere and convinced local policy makers to adopt the IDA lighting code for future lighting installations. She is responsible of a broad public outreach program including an information leaflet system (for building owners and interested people), star guiding tours, workshop for children etc. She has  also been awarded IDA Night Sky Defender Award 2015

Thomas Davies

Bangor University, Bangor, Wales, UK

Thomas Davies is a conservation ecologist researching the impacts of nighttime lighting on plants and animals on the land and in the sea. He is currently investigating the ecological impacts of coastal light pollution as part of a European Regional Development Fund and Welsh Government support Sêr Cymru II Independent Research Fellowship at Bangor University, Wales. Thomas has published more than twenty peer reviewed scientific papers on ecological light pollution covering diverse aspects of the field.  In particular, his research has drawn attention to the impacts of artificial lighting on ground dwelling invertebrates, marine ecosystems and ecological food webs.”