As you know you can see everyone who's registered for the conference, but I highlight 4-6 participants every day as this may be an easier way for you to digest the list. You can also look at the Program so see who is doing what.
Kirsten Sanford, better known as 'Dr.Kiki', is a neuroscientist, a journalist, a blogger and a twitterer. She hosts The Weekly Science Talk Radio Program and Dr. Kiki's Science Hour on TWiT.tv. At the conference, she will co-moderate two sessions: on Podcasting in science and Science on Radio, TV and video.
John Timmer is the Science Editor of Nobel Intent at Ars Technica. And he tweets. At the conference, John will co-moderate the session on Rebooting Science Journalism in the Age of the Web.