Thomas Denmark has worked as an illustrator in tabletop games since 1997. His first professional commission was for the now defunct Iron Crown Enterprises, illustrating the Mentalist Companion. He went on to illustrate the Orkworld RPG, many Legend of the Five Rings and Warlord collectible cards, and became a signature artist for the A Game of Thrones collectible card game.

Revealing his passion for game design, in 2002 he designed and illustrated the Dungeoneer line of expandable card games, which went on to have 7 expansions and has been published in 5 languages.

He has illustrated several Dungeons and Dragons books, and a number of Magic:the Gathering cards.

He currently resides in Northern California with his lovely wife and daughter, and his cat. He is working on the Dungeoneer RPG which will be done "someday", and a number of other tabletop game ideas. His day job is art director in video games, where he has worked on such titles as X:Wing Alliance, Sims: Unleashed, Battle of the Bands, and other video games.