Federations
Orson Scott Card & Genevieve Valentine & L. E. Modesitt Jr. & S. L. Gilbow & Lois McMaster Bujold & Harry Turtledove & Kevin J. Anderson & Doug Beason & George R. R. Martin & George Guthridge & Yoon Ha Lee & Alastair Reynolds & Alan Dean Foster & Robert Silverberg & Anne McCaffrey & Mary Rosenblum & Robert J. Sawyer & Jeremiah Tolbert & Allen Steele & Georgina Li & Trent Hergenrader & James Alan Gardner & Catherynne M. Valente
Space Opera
Yoon Ha Lee & James Patrick Kelly & Gwyneth Jones & Gareth L. Powell & Greg Egan & Chris Willrich & Michael Flynn & Una McCormack & David Moles & Naomi Novik & Kage Baker & Paul Berger & Elizabeth Bear & Sarah Monette & Jay Lake & Justina Robson & Alastair Reynolds & Ian McLeod & Robert Reed & Aliette de Bodard & Lavie Tidhar & Benjanun Sriduangkaew & Ian McDonald