Born and raised in Ohio, Horn graduated from The Cooper Union School of Art in NYC then worked as a graphic designer for 15 years before discovering his love for painting. He now lives in Fairfax, paints full-time, is represented by five galleries, and teaches painting workshops around the country and abroad. His subject matter often includes structural elements such as old buildings and vehicles, with his paintings of Airstream trailers among some of his most popular. He has won numerous awards, has been featured in several magazines, including on the cover of South West Art in 2012.