The Best Shark Biologists and Conservationists to Follow During Shark Week

David Shiffman is an interdisciplinary marine conservation biologist who studies threats to sharks, how to protect sharks, and public attitudes about both. He lives in Washington, D.C., and is the author of Why Sharks Matter: A Deep Dive with the World's Most Misunderstood Predator. He holds a Ph.D. from the University of Miami. Follow him on Twitter @WhySharksMatter Credit: Nick Higgins