While there, Warming worked for 14 years alongside Valhalla comic book creator Peter Madsen and Teddy H. Kristiansen, as well as fantasy artists Jesper Ejsing and Emil Landgreen.

Warming worked with a wide array of companies including Lego, Mattel, Marvel, Microsoft, Suzuki and Cartoon Network.

As an author and illustrator of children’s books, Thomas Warming debuted in 2003 with Kanonkongen (The Cannonball King), now published in three languages: Danish, Korean and English.

The first installment is translated into English for the American market by High Before Homeroom author, Maya Sloan (Simon and Schuster Gallery Books 2010).

Besides Warming's artistic career, he taught sequential art, perspective drawing and acrylic painting at Københavns Tekniske Skole, Kreativ afd.

He is currently working as Lead Concept Designer and Matte Painter for Walsh Family Media on the upcoming CG feature animation film The Cool Beans: We Need a Hit.