Tailor the bio to the proposal. If your proposal is about HTML5, then don’t provide me a bio about how great a swimmer you were in college. Instead, give me a bio that convinces me you are the world’s best expert on HTML5. Finally, don’t assume that any of the reviewers of your proposals know who you are—and that you can essentially skip the bio portion of the process. Detail and specificity are your friends in this process.
Once you’ve got a title and an abstract that you’re comfortable with, the final piece of the conference proposal puzzle is a bio that highlights your expertise and lets conference reviewers and your audience know that you’re the right, most qualified person to be on stage.
Here’s the thing ...