| Name: | Leif Jones |
| Gender: | Male |
| Born: | ? |
| Official Site: | LeifJones.com |
Leif Jones is credited in the Classic World of Darkness as the author of Conversational Japanese Volume 2: Words, Customs and Concepts. (There is a picture on page 120 of the KOTE: Kindred of the East Companion 
depicting a gweilo (foreigner to the East) reading it.)
Leif's works are credited in-character to Kostbaar in Trinity.
Leif's official contributions for White Wolf include the following:
Additional Concepts and Visual Contributor
- 1999/March: Trinity: Trinity Rulebook (softcover)
- 1997/November 10: Trinity: Trinity Rulebook
- 1997/October: Trinity: Trinity Rulebook (limited)
Art, Cover
- 1998/January: MTAs: Technomancer's Toybox
- 1997/May: VTDA: Dark Ages Companion
- 2003/April 28: VTM: Kindred of the Ebony Kingdom (back)
Art, Interior
- 2011/October 21: VTM: Vampire: The Masquerade 20th Anniversary Edition
- 2011/September 16: VTM: Vampire: The Masquerade 20th Anniversary Edition (Grand Masquerade)
- 2011/July 20: CofD: Glimpses of the Unknown
- 2003/December 1: MTAs: Tradition Book: Virtual Adepts
- 2003/November 3: MTAs: Tradition Book: Verbena
- 2003/August 11: MTAs: Forged by Dragon's Fire
- 2003/July 7: MTAs: Tradition Book: Order of Hermes
- 2003/April 28: MTAs: The Infinite Tapestry
- 2003/March 3: MTAs: Dead Magic II: Secrets and Survivors
- 2003/February 3: MTAs: The Fallen Tower: Las Vegas
- 2002/November 25: MTAs: Manifesto: Transmissions from the Rogue Council
- 2002/November 11: MTAs: Mage Storytellers Handbook
- 2002/July 1: MTAs: Tradition Book: Hollow Ones
- 2002/April 1: MTAs: Tradition Book: Euthanatos
- 2002/March 18: MTAs: Tradition Book: Dreamspeakers
- 2002/January 14: MTAs: Convention Book: Iteration X
- 2001/November 12: MTAs: Tradition Book: Cult of Ecstasy
- 2001/September 17: MTAs: Book of Madness Revised
- 2001/August 6: MTAs: Guide to the Traditions
- 2001/June 11: MTAs: Tradition Book: Celestial Chorus
- 2001/April 30: VTM: Clanbook: Ravnos Revised
- 2001/April 16: VTM: Clanbook: Giovanni Revised
- 2001/April 2: VTM: Clanbook: Followers of Set Revised
- 2001/March 5: VTM: Clanbook: Tzimisce Revised
- 2001/February 5: MTAs: Tradition Book: Akashic Brotherhood
- 2001: VTM: Clanbook: Lasombra Revised
- 2000/December 11: VTM: Clanbook: Assamite Revised
- 2000/October 2: Aberrant: Aberrant Worldwide: Phase II
- 2000/October 2: MTAs: Dragons of the East
- 2000/October: VTM: Clanbook: Ventrue Revised
- 2000/August 7: VTM: Clanbook: Toreador Revised
- 2000/June 12: VTM: Clanbook: Malkavian Revised
- 2000/April: VTM: Blood Magic: Secrets of Thaumaturgy
- 2000/March 6: MTAs: Mage Storytellers Companion
- 2000/February: Aberrant: Aberrant: Teragen
- 2000/January 3: MTAs: Mage: The Ascension Revised Edition
- 2000: VTM: Clanbook: Nosferatu Revised
- 1999/November: Aberrant: Aberrant: Year One
- 1999/October 7: MTAs: Masters of the Art
- 1999/September: MTAs: The Spirit Ways
- 1999/July: Aberrant: Aberrant Rulebook
- 1999/July: Aberrant: Aberrant Rulebook (limited)
- 1999/June: MTAs: Guide to the Technocracy
- 1999/April: Trinity: Trinity Field Report: Media
- 1999/March: VTM: Guide to the Camarilla
- 1999/March: Trinity: Trinity Rulebook (softcover)
- 1999/April: VTM: Children of the Night
- 1998/December: VTM: Vampire Storytellers Companion
- 1998/October: MTAs: Digital Web 2.0
- 1998/September: Trinity: America Offline: Psi Order Orgotek and FSA Sourcebook
- 1998/August: Trinity: Darkness Revealed 2: Passage Through Shadow
- 1998/July: MTSC: Crusade Lore: The Storytellers Screen and Book
- 1998/May: Trinity: Luna Rising: Psi Order ISRA and Luna Sourcebook
- 1998/January: MTAs: Technomancer's Toybox
- 1997/November 10: Trinity: Trinity Rulebook
- 1997/October: Trinity: Trinity Rulebook (limited)
- 1997/September: cWOD: World of Darkness: Sorcerer
- 1997/May: VTDA: Dark Ages Companion
- 1996/July: WTO: Buried Secrets
- 1996/March: VTDA: Vampire: The Dark Ages Rulebook
- 1996/March: MTAs: Cult of Ecstasy Tradition Book
- 1996: MTAs: Technocracy: Void Engineers
- 1995: WTO: Dark Kingdom of Jade Adventures
- 1995: MTAs: Mage: The Ascension Second Edition
- 1994/December: VTM: Dirty Secrets of the Black Hand
- Exalted's Exalted Rulebook
- 1999/December: HTR: Hunter Survival Guide
- 1998/February: KOTE: Kindred of the East Rulebook
- Trinity's Trinity Players Guide
- Trinity's Trinity Field Report: Psi Laws
- Trinity's Trinity: Battleground (box)
- 2003/April 28: VTM: Kindred of the Ebony Kingdom
- Vampire: The Masquerade's Vampire: The Masquerade Revised Edition
- Werewolf: The Apocalypse's Rage Across the Heavens
- 2000/December 11: WTA: Werewolf: The Apocalypse Revised Edition
- Classic World of Darkness' Midnight Circus
- Wraith: The Oblivion's Renegades
- Wraith: The Oblivion's Wraith: The Oblivion Second Edition
