Dr. Burney LeBoeuf is Professor Emeritus of Biology at the University of California at Santa Cruz. With his background in Reproductive Endocrinology, Ecology, and Behavioral Biology, he has been a leader in research on marine mammals for many decades and known especially for ground-breaking studies of social behavior; diving behavior, diving physiology and migrations of seals, using wearable microcomputer, time-depth recorders, and satellite tags.