Mark Teppo (born May 21, 1968) is an American author of contemporary fantasy and Science fiction. His work is strongly peppered with references to occult concepts, most commonly those of Hermeticism and Alchemy. Prior to his current tenure as a fiction writer Teppo was a music journalist working both as a staff reviewer and editor for various publications such as Earpollution, Igloo Magazine, Earplug, and OPi8.com. Teppo is also Chief Creative Officer of Subutai Corporation, whose first offering is the interactive fiction project The Mongoliad.
The Oneiromantic Mosaic of Harry Potemkin (2007) is an experimental, non-linear, hypertext novel formatted as an internet journal mixed with modern epistolary elements. It was originally published as a monthly serial in the online magazine Farrago's Wainscot, but is now available in an organized form at The Potemkin Mosaic.
Lightbreaker (2009) is the first in a series of urban fantasy thriller novels published by Night Shade Books called the Codex of Souls. The series follows protagonist L. Michael Markham, an initiate of a Western esoteric tradition in our contemporary world.