Dr. Gregory Skomal is an accomplished marine biologist, photographer, author, and 2015 Boston Sea Rovers Diver of the Year. As a senior scientist with MA Marine Fisheries, he has been studying sharks for over 35 years and he has written numerous scientific research papers. Greg has appeared in a number of film and television documentaries, including programs for National Geographic, Discovery Channel, and PBS. His book, The Shark Handbook, explores the world of sharks.