TransGeek explores the intersection between gender identity and geek culture. It brings together the stories of trans people working in science, technology, gaming, science fiction/fantasy, and other geekish pursuits. It investigates how people express their authentic selves through geek culture; and how their gender identities have affected their professional development. TransGeek reveals the positive impact that geekdom has had on trans people’s lives, as well as the challenges trans people continue to face in engaging with geek culture, and as employees of science, technology, and other geek-related industries. Whether exploring gender identity, creating fictional worlds, or seeking to change the real world, TransGeek offers an in depth account of what draws people to geek culture.