Kim Cameron isn't on a mission from God, but he once played guitar with some guys who were.

As a 20-something in the mid-1970s and the guitarist for Limbo Springs, a band he formed with friends, Cameron played at Toronto's exclusive Cheetah Club behind such luminaries as John Belushi and Dan Ackroyd, a k a the Blues Brothers. While those two later starred in a same-named movie in which they proclaimed their mission was blessed by the Almighty, Cameron's future was guided by an electronic deity, the microcomputer.

//VitalStats     Position: Identity architect, Microsoft Age: 57 Years at company: 6 Years in industry: A lifetime Major career accomplishment: Has galvanized a diverse group of often contentious technologists, vendors and academics into a meaningful discussion around digital identity.     ILLUSTRATOR: ANTONY HARE

Today, the 57-year-old Cameron, who admits to a lingering addiction to music played at ear-splitting volumes, heads all things identity at Microsoft.

In 2005, he galvanized the industry around a discussion of digital identity with his publication of "Seven Laws of Identity." Cameron has wired together a virtual who's who as part of an everyone-invited effort to define the science of identity and how to apply it to computing. The list includes his boss, Bill Gates; open source leaders, Microsoft bashers and academics, such as legal scholar Lawrence Lessig.

"To me, it is clear that all their interests must be served for progress to be made. There is so much distrust across the industry. I try to keep away from any kind of ideology and aim right at what can happen," Cameron says. Two things he learned with Limbo Springs, communication skills and the ability to dodge flying beer bottles, have helped him pull people together and deal with the instantaneous and often abrupt feedback of today's blogosphere, Cameron says.

Putting anything together, or more accurately putting anything back together, has not always been Cameron's forte. As a boy who grew up living all over Canada, following a father who was an officer in the Royal Canadian Navy, Cameron was fascinated with disassembling electronics. "I had this little weirdness. I liked to invent machines. I scavenged old radios and televisions and made transmitters and things," says Cameron, whose ever-present chuckle signals that he takes himself less seriously than he does his work.