Paul has been designing websites since 1995. Between 1981 and 1995, he was a typographer and typeface and print designer. He has presented extensively on topics such as design research, usability, and social networking.

An interesting recent project was a study of the software and methods used to run the ground game for the Obama presidential campaign, a summary of which Billy and he recently presented at Agile 2009.

He is a jazz musician and gigs frequently around Chicago.