Danna Staaf is a freelance writer and science communicator with special expertise in cephalopods. Her writing has appeared in Science, KQED, Earther, and io9, and her first book, Squid Empire: The Rise and Fall of the Cephalopods, was named one of the best science books of 2017 by NPR. She holds a PhD in biology from Stanford University and has created several science outreach programmes for schools, including the popular biology programme Squids4Kids. She has spoken at dozens of venues, including the Denver Museum of Nature and Science, the main Google campus in Mountain View, public libraries, universities and schools at every grade level. She lives in San Jose with her husband and an unruly collection of kids, cats, and plants.