Btw, I don't consider myself an AI expert. I am not sure what "AI expertise" entails, I guess knowing a lot about lots of things that include stuff like stats/ML but also other things, including a ton of engineering. I think an "AI expert" is sort of like "an airplane expert." Airplanes are too big for one person -- you might be an expert on modeling fluids or an expert on jet engines, but not an expert on airplanes.
DeepMind's go AI, called AlphaGo, has beaten the European champion with a score of 5-0. A match against top ranked human, Lee Se-dol, is scheduled for March.