- John Hartley
- John Paul Meenan, Editor
- John Robson
- John Tuttle
- John Wilson
- Jonathan Castellino
- Joseph Catalfamo
- Joseph Donnelly
- Joseph Ferrant
- Joseph Tuttle
- Joshua Francis Filipetto
- Judith Kwok, MD
- Julia Bolzon
- Justin Jensen
- Kaleb Hammond
- Katerina Walker
- Katherine Howe Evans
- Katherine Kelly
- Kathleen Francisco
- Kathryn Hart
- Kenton E. Biffert
- Kevin Ang
- Lars Troide
- Laura Vautour
- Leeda Crawford
