Designer of the Payload Processor Module that flew in space on satellites ArduSat-X and ArduSat-1.Founder of Freetronics, which designs and manufactures Open Hardware for hobby, professional, and education use.Founder of SuperHouse, which produces DIY home automation videos and develops Open Source home automation and assistive-technology devices.Past President of Linux Australia, the national organisation for Linux users and developers. Author of "Practical Arduino", "How To Build A Website And Stay Sane", "Ubuntu Hacks", and "Quickstart Guide to Google AdWords".Surgically implanted with an RFID chip, which I'm using to experiment with technical issues such as authentication techniques and exploits as well as philosophical issues such as privacy and identity. I've appeared on top-rating TV shows including "Sunrise", "The Project", "Insight", and various news programs to discuss technology issues.In 1994 I founded Internet Vision Technologies (IVT), one of the first businesses in the world to specialize in dynamic websites and web content management, and in 1995 became one of the first people to ever do real-time event coverage via the Internet with a live feed from the Bicycle Industry Trade Show in Sydney, Australia. IVT has since developed websites, intranets, extranets and custom web applications for clients ranging from backyard businesses to multinational corporations. IVT was sold to Advanced Solutions International in 2017.Debian developer since 2002 and convenor of the Debian Miniconf since 2003. Presented tutorials, papers and keynotes on various technology and business topics at both corporate and government seminars and at conferences and usergroups around Australia, the US, and Europe, and at several Google Tech Talks.Former member of the Advisory Group of Swinburne University's Centre for Collaborative Business Innovation, and of the Australian Federal government's e-Research Coordinating Committee Reference Group.