Dr Peter Evans has worked on marine mammals in Europe for more than 40 years. He was the founding Secretary of the European Cetacean Society, later its Chairman, and its Editor for 25 years. A member of several international committees, he has written and edited twelve books, mainly on marine mammals, and published around 200 scientific papers. He is the Director of the UK marine environmental research charity, Sea Watch Foundation, and lectures in the School of Ocean Sciences, University of Bangor, Wales.