Adrian Wong, the lead electrical engineer for Glass, leaves to join Oculus VR, a company working on a head-mounted virtual reality display called Oculus Rift. He has been working at Google since 2010 and has invented many of the patents related to Google Glass. He writes a farewell on his Facebook page:
Surprise! Today is my last day at Google. Three rollercoaster years with Google[x] and Glass. What amazing memories. Now, time for the next great adventure!