Horen has a PhD in Math and Biochemistry and has worked as a scientist on many top-secret government projects, as well as for MCI WorldCom, Sensis (SAAB), and MSC. He has 24 patents, including two developed for the DoD. For artificial intelligence, he specializes in automated reasoning, analysis of deep nested networks, and logical and probabilistic inference. For biochemistry, he specializes in DNA quantum tunneling, specifically studying tunneling rates.