During our three days at the mHealth Summit in Washington DC this week, the MobiHealthNews team conducted dozens of interviews on camera for a forthcoming video produced and shot by Ethan Goldwater. The slideshow below includes some snapshots from the many mHealth luminaries we interviewed on-site.

mHealth Summit keynoter Bill Gates managed to tie the opportunity for mobile health to one of his current causes -- vaccines -- in various ways during his on-stage interview with Microsoft Research's Kristin Tolle. (Photos by Ethan Goldwater)

mHealth Summit keynote speaker Ted Turner: "What good is it going to be if we hook up the whole world's medical information by satellite, Internet or cell phones if we blow the world up?" Hard to argue with that. (Photos by Ethan Goldwater)