This is a quick list I made up for myself. I haven’t checked the links yet (to see if they work). If there are any errors, tell me!
Ren Hutching: Adult Sci-Fi, Fantasy and Speculative Fiction
Anna Kaling: SF (& other genres), not fantasy
G.L. Jackson: Urban fantasy & soft SF
Kristen Lepionka & Ernie Chiara: adult mystery/thriller/suspense/crime, literary fiction, urban fantasy, and LGBTQ+ stories
Michael Mammay & AR Lucas: SF&F
Paris Wynters: SF (& other genres), not fantasy
K.A. Black: SF&F
Ian Barnes: Fantasy inc. sci-fantasy, not SF
Keena Roberts: SF&F
N.E. Davenport: SF&F
Anne Raven and Janet Walden-West: Romance & fantasy
Kat Enright & Kalyn Josephson: Speculative (SF, F & horror)
Gladys Qin: SF&F
Clay Harmon: SF&F
Jake Nicholls: SF&F
Denny Bryce & Leslye Penelope: Fantasy, romance (F, SF & PNR) & historical
Morgan Rogers: magical realism & soft fantasy
Rob Hart: mixed genres, not full on fantasy
Maria Heater : SF&F, Historical and Contemporary.
Nicole Glover: F & SF (on the softer side)
Cole Nagamatsu & Sequoia Nagamatsu: magical realism, literary spec fiction, SF&F but not high fantasy or military SF
Matthew Quinn: F & some related genres
Stephen Morgan: genre mash-ups
Roma Panganiban: literary fiction, speculative fiction, women’s fiction, fantasy, historical, mystery, sci-fi, and memoir