Roberta Kwok is a freelance science writer who has contributed to Nature, Salon.com, Conservation, Science News for Kids, California, and ScienceNOW. She earned her bachelor's degree in biology from Stanford University and worked as a software engineer for four years in Silicon Valley. After studying creative writing at Indiana University Bloomington, she completed a graduate certification program in science writing at the University of California, Santa Cruz. Roberta is based in the San Francisco Bay Area.