I have 34 years of experience, and specialize in the field of marine biology with specific knowledge in the areas of marine wildlife and ecosystems, marine mammals, seabirds, and sharks and domestica and international environmental law and policy. I have published on such topics as ecology, physiology and behavior of marine mammals, sea birds and sharks, the effects of anthropogenic noise on marine wildlife and the responses and impacts of marine wildlife to oil. I have testified on effects of anthropogenic noise on marine wildlife, effects of oil on marine wildlife and interactions and conflicts between marine mammals and sport and commercial fisheries.