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Derek Mah

Derek Mah

Derek Mah is best known for the illustrated book Monsterology, written by Arthur Slade, and for the covers of Shane Peacock’s award-winning series The Boy Sherlock Holmes.

Based in Calgary, Alberta, Canada, Derek develops verbal and visual communications strategies for clients that include PetroCanada, Suncor, Brookfield Residential, Alliance Pipeline, AT&T, Harper Collins, and McLelland&Stewart.

His original paintings appear in private and corporate collections worldwide.


Type of Creator
  • Illustrator
  • Writer
  • Letterer
  • Marketer


List of Work
  • Monsterology, illustrator; Arthur Slade, writer
  • Villainology, illustrator; Arthur Slade, writer
  • Hallowed Knight, illustrator; Arthur Slade, writer
  • Boy Sherlock Holmes, series cover artist; Shane Peacock, writer
  • Barnabas Bigfoot, series cover artist; Marty Chan, writer


Panel One Member Since

November 2, 2018

Fun Fact
  • Currently working on a teddy bear massacre script
  • Scripts written and awaiting illustration include:
    • Carny con Carnage, writer
    • Common Ground – Cowtown Coywolves, writer
    • Headwinds, writer
  • In the distant past, have worked for adult entertainment media:
    • Sistrix Saga, illustrator and writer
    • Til Nara Legacy, illustrator and writer