Karsten Brensing is a marine biologist, conservationist, researcher and advocate for  animals. Much of his work has focused on the communication of dolphins and their protection. He has published three successful books about the thinking and feeling of animals, including “What do Animals Think and Feel?” He has worked as a consultant for the German Ministry of the Environment, the European Commission and different environmental organisations. His first children's book was awarded with two prestigious prizes. Moreover, he is the co-founder of the "Individual Rights Initiative" calling for a better status of animals in legislation.