Steve improvises weekly at the Upright Citizens Brigade Theater at Subculture in Noho with his team Women & Men and co-hosts and performs monthly with Improv Nerds at UCB Hell’s Kitchen.

He has appeared in commercials, PSAs, promos, and comedy videos for Disney Vacation Club, USA Today, Peeps Delights, NYC Anti-Piracy, Comedy Central, Above Average, and UCB Comedy.

Steve wrote a pilot that was chosen as a finalist for the 2012 New York Television Festival (NYTVF) FOX Comedy Script Contest. He was also a finalist for the 2010 Disney ABC TV Writing Program.

The 'h' in his last name is pronounced like those in Thailand or Thomas. Theiss rhymes with rice, a popular grain throughout the world.