Paul Downey (@psd) is mildly infamous as the doodler behind The Web is Agreement — a series of drawings about Web architecture. Formerly BT's Chief Web Services Architect, he's chaired and participated in W3C, WS-I and OASIS working groups and was a founding member of Osmosoft, BT's open Source innovation unit. A co-founder of Solderpad — a place for collaborative electronics projects, Paul compères OSHUG, an Open Source Hardware meet-up in and around London and blogs infrequently at blog.whatfettle.com.

Andrew Back (@9600) formerly worked as Open Source Strategist at BT, guiding the development of company-wide policy and process, representing them at the Linux Foundation and participating in the FOSSBazaar work group. Andrew co-founded Solderpad — a place for collaborative electronics projects, founded OSHUG, an Open Source Hardware meet-up in and around London, occasionally writes about Open Source Hardware and is an artist in his spare time.