Mary Roach, born in New Hampshire in 1959, is an American author celebrated for her accessible and humorous approach to science writing. She holds a bachelor's degree in psychology from Wesleyan University. Roach began her career in public relations and as a freelance copy editor before transitioning to freelance writing for various publications. Her early work included press releases for the San Francisco Zoological Society and articles for the San Francisco Chronicle's Sunday magazine. She has since contributed to a wide array of magazines, including Vogue, GQ, The New York Times Magazine, Discover, National Geographic, Outside, and Wired, and has written columns for online platforms. A significant influence on her book writing career was her involvement with "the Grotto," a San Francisco-based writers' and filmmakers' community, where a prediction spurred her to pursue a book contract. Despite her focus on science, Roach has stated she never planned a career in it, finding science stories consistently the most engaging assignments. Her work has earned her numerous accolades, including multiple New York Times bestsellers, and she has appeared on various media programs, including The Daily Show and NPR's Fresh Air. Roach resides and works in Oakland, California.

Mary Roach has established herself as a prolific author with eight New York Times bestsellers to her name. Her books delve into a diverse range of subjects, often focusing on the scientific aspects of topics that are typically considered taboo, unusual, or overlooked. These include the study of human cadavers, the science of the afterlife, human sexuality, space travel, the digestive system, the science of warfare, the behavior of animals, and human anatomy. Roach's writing style is characterized by its blend of thorough research, humor, and an accessible, often irreverent, tone. She has a knack for making complex scientific concepts understandable and engaging for a general audience, transforming potentially dry subjects into compelling narratives. Her approach encourages readers to confront and explore the scientific underpinnings of life, death, and the human condition with curiosity and a sense of wonder.

Roach's journey into science writing was not a direct path. After graduating from Wesleyan University with a degree in psychology, she worked as a freelance copy editor in San Francisco. Her initial writing career began in the San Francisco Zoological Society's public affairs office, where she wrote press releases on animal-related topics. She also contributed freelance articles to the San Francisco Chronicle's Sunday magazine. A pivotal moment in her career came through her involvement with "the Grotto," a community of writers and filmmakers. A prediction made within this group about her securing a book contract motivated her to actively pursue book writing. Roach has noted that she did not initially intend to specialize in science but found that the science-related assignments she covered were consistently the most interesting, leading her to develop expertise in science journalism without formal scientific training.

“To be honest, it turned out that science stories were always, consistently, the most interesting stories I was assigned to cover. I didn't plan it like this, and I don't have a formal background in science, or any education in science journalism.”