Gavin Clark's technical skills span the Macintosh, Linux and Windows platforms and all the usual desktop software. He is proficient in structured query language (SQL), and database design. His recent work has been principally in a Linux, PHP, MySQL environment. He has managed networks of Unix servers for mail, data and Web services and has managed systems in various "flavors" of Unix.

He is the principal author of the Clark IP technical systems.

Gavin Clark's professional experience includes customer service, graphics design, programming, business consulting, data analysis, and systems administration since 1991. He is a co-founder of Clark Internet Publishing.