birthdate: '1960'
discography:
- catalog: N/A
  date: '1988'
  link: album/104001
  reprint: false
  roles:
  - Composer
  titles:
    en: Live from the SIERRA Lounge
    ja: Live from the SIERRA Lounge
    ja-latn: Live from the SIERRA Lounge
  type: bonus
- catalog: 058654900
  date: '1992'
  link: album/2241
  reprint: false
  roles:
  - Composer
  - Performer
  titles:
    en: Sierra Soundtrack Collection
    ja: Sierra Soundtrack Collection
    ja-latn: Sierra Soundtrack Collection
  type: game
- catalog: WO-21500-2
  date: '1992'
  link: album/16025
  reprint: false
  roles:
  - Composer
  titles:
    en: 'Girl in the Tower: The love theme from King''s Quest VI'
    ja: 'Girl in the Tower: The love theme from King''s Quest VI'
    ja-latn: 'Girl in the Tower: The love theme from King''s Quest VI'
  type: bonus
featured_on:
- catalog: W7032624
  date: '1997'
  link: album/2267
  reprint: false
  roles:
  - Composer
  titles:
    en: 'Quest For Glory V: Dragon Fire ~ Original Music Soundtrack'
    ja: 'Quest For Glory V: Dragon Fire ~ Original Music Soundtrack'
    ja-latn: 'Quest For Glory V: Dragon Fire ~ Original Music Soundtrack'
  type: bonus
- catalog: N/A
  date: '2012-03-22'
  link: album/71511
  reprint: false
  roles:
  - Composer
  titles:
    en: Video Game Piano Album Thing
    ja: Video Game Piano Album Thing
    ja-latn: Video Game Piano Album Thing
  type: doujin
- catalog: PR14
  date: '2015-04-20'
  link: album/60832
  reprint: false
  roles:
  - Composer
  titles:
    en: Welcome To Warp Zone!
    ja: Welcome To Warp Zone!
    ja-latn: Welcome To Warp Zone!
  type: doujin
- catalog: N/A
  date: '2017-07-28'
  link: album/70179
  reprint: false
  roles:
  - Composer
  titles:
    en: BACKUP - A Tribute to MS-DOS
    ja: BACKUP - A Tribute to MS-DOS
    ja-latn: BACKUP - A Tribute to MS-DOS
  type: doujin
- catalog: N/A
  date: '2020-03-28'
  link: album/111356
  reprint: false
  roles:
  - Sound Effects
  - Music Editor
  titles:
    en: Space Quest III - Reorchestrated & Remixed
    ja: Space Quest III - Reorchestrated & Remixed
    ja-latn: Space Quest III - Reorchestrated & Remixed
  type: doujin
- catalog: 2GEP001
  date: 2020-05
  link: album/96776
  reprint: false
  roles:
  - Composer
  titles:
    en: Galaxy Galleria
    ja: Galaxy Galleria
    ja-latn: Galaxy Galleria
  type: doujin
- catalog: 2GLP001
  date: 2020-05
  link: album/96775
  reprint: false
  roles:
  - Composer
  titles:
    en: 'Space Quest IV: Roger Wilco And The Time Rippers'
    ja: 'Space Quest IV: Roger Wilco And The Time Rippers'
    ja-latn: 'Space Quest IV: Roger Wilco And The Time Rippers'
  type: doujin
- catalog: N/A
  date: '2021-02-23'
  link: album/111368
  reprint: false
  roles:
  - Composer
  titles:
    en: King's Quest V - A Fair and Balanced EP
    ja: King's Quest V - A Fair and Balanced EP
    ja-latn: King's Quest V - A Fair and Balanced EP
  type: doujin
- catalog: N/A
  date: '2021-03-14'
  link: album/111369
  reprint: false
  roles:
  - Composer
  titles:
    en: King's Quest VI - A Fair and Balanced EP
    ja: King's Quest VI - A Fair and Balanced EP
    ja-latn: King's Quest VI - A Fair and Balanced EP
  type: doujin
- catalog: N/A
  date: '2021-04-05'
  link: album/111349
  reprint: false
  roles:
  - Composer
  titles:
    en: King's Chill Vol. 1 - Vibin' Makes the Soul Go Higher
    ja: King's Chill Vol. 1 - Vibin' Makes the Soul Go Higher
    ja-latn: King's Chill Vol. 1 - Vibin' Makes the Soul Go Higher
  type: doujin
- catalog: 2GLP004
  date: '2021-04-06'
  link: album/108094
  reprint: false
  roles:
  - Composer
  titles:
    en: 'SPACE QUEST IV: 2LP "BLUE FROGS EDITION" COMPLETE SOUNDTRACK'
    ja: 'SPACE QUEST IV: 2LP "BLUE FROGS EDITION" COMPLETE SOUNDTRACK'
    ja-latn: 'SPACE QUEST IV: 2LP "BLUE FROGS EDITION" COMPLETE SOUNDTRACK'
  type: doujin
- catalog: N/A
  date: '2021-04-09'
  link: album/111370
  reprint: false
  roles:
  - Composer
  titles:
    en: King's Quest VII - A Fair and Balanced EP
    ja: King's Quest VII - A Fair and Balanced EP
    ja-latn: King's Quest VII - A Fair and Balanced EP
  type: doujin
- catalog: 2GLP008
  date: 2022-06
  link: album/116786
  reprint: false
  roles:
  - Composer
  titles:
    en: King's Chill Vol. 2 - To Chill Is Human, To Vibe Is Divine
    ja: King's Chill Vol. 2 - To Chill Is Human, To Vibe Is Divine
    ja-latn: King's Chill Vol. 2 - To Chill Is Human, To Vibe Is Divine
  type: doujin
- catalog: 2GLP010
  date: 2022-08
  link: album/119797
  reprint: false
  roles:
  - Original Composer
  titles:
    en: King's Quest V - Songs of Serenia
    ja: King's Quest V - Songs of Serenia
    ja-latn: King's Quest V - Songs of Serenia
  type: game
- catalog: 2GLP013
  date: 2024-06
  link: album/137425
  reprint: false
  roles:
  - Original Performer
  - Original Composer
  titles:
    en: 'King''s Quest VI: An Ode to the Isles'
    ja: 'King''s Quest VI: An Ode to the Isles'
    ja-latn: 'King''s Quest VI: An Ode to the Isles'
  type: game
- catalog: N/A
  date: '2024-07-12'
  link: album/145057
  reprint: false
  roles:
  - Original Composer
  titles:
    en: 'Police Quest II: A Fair and Balanced EP'
    ja: 'Police Quest II: A Fair and Balanced EP'
    ja-latn: 'Police Quest II: A Fair and Balanced EP'
  type: doujin
- catalog: 2GLP014
  date: 2025-01
  link: album/141618
  reprint: false
  roles:
  - Original Composer
  titles:
    en: King's Chill Vol. 3 - Vibe Today, Chill Tomorrow
    ja: King's Chill Vol. 3 - Vibe Today, Chill Tomorrow
    ja-latn: King's Chill Vol. 3 - Vibe Today, Chill Tomorrow
  type: doujin
info:
  Birthdate: '1960'
  Credited works:
  - 3 albums in database
  - 35 products in database
  Credits:
  - 27 composer
  - 11 sound effects
  - 11 music
  - 10 music director
  - 4 music editor
  - 4 original composer
  - 3 additional music
  - 2 performer
  - 2 original performer
  - 1 additional musician
  - 1 theme music
  - 1 special thanks
  - 1 cinematic score
  - 1 original music
  - 1 sound engineer
  Former Organizations:
  - link: org/3341
    names:
      en: Sierra On-Line
      ja: Sierra On-Line
link: artist/3529
meta:
  added_date: 2008-03-28T22:40
  edited_date: 2008-11-21T06:26
  fetched_date: 2026-01-09T09:13
  ttl: 86400
  visitors: 6656
name: Mark Seibert
notes: No notes available for this artist.
picture_full: https://media.vgm.io/artists/92/3529/3529-1227277599.jpg
picture_small: https://thumb-media.vgm.io/artists/92/3529/3529-1227277599.jpg
sex: male
type: Individual
vgmdb_link: https://vgmdb.net/artist/3529?perpage=99999
websites:
  Interview: []
  Official: []
