Danny Rosenbaum spent the 1980s working in advertising, the 1990s making documentaries (mainly for Channel 4 in the UK), and the 21st century publishing websites including Biogs.com
He is a keen chess fan and runs the Hamilton Russell chess league. He also plays for Hackney in the London League.
His other interests include learning magic, learning Japanese, playing bridge, and watching football.
He currently resides in London NW1.