Jeroen Speybroeck holds a PhD in biology and works at the Research Institute for Nature and Forest (INBO) in Belgium. Wouter Beukema is a Dutch herpetologist focusing on biogeography, evolutionary ecology and conservation. Bobby Bok teaches biology to teenagers and dedicates his free time to travelling through Europe in search of amphibians and reptiles. Jan Van Der Voort is a Belgian civil servant whose quest for many years has been to photograph all the species of European amphibians and reptiles.
Ilian Velikov is a Bulgarian-born artist living and working in London. Since an early age he has had a keen interest in nature and wildlife, and especially reptiles and amphibians.