Tiu Similä has a PhD on the behavioral ecology of killer whales from the University of Tromsø, and degrees in hydrobiology, plant ecology, environmental science and a MSc in biology from the University of Helsinki. She has been studying male sperm whales in Arctic Norway since 2016, and is involved in establishing whale-watching in Norway, writes articles and books on cetaceans and works as a scientific consultant for film productions and TV programmes.