Yun-Ta Tsai is a staff software engineer at Google, working on high performance image processing on mobile devices, auto white balance and portrait relighting. He has helped launch Night Sight (Pixel), Synthetic Fill Flash (Pixel) and learning-based Auto White Balance (Pixel / Photos / StreetView). His interesting including machine learning, high performance computing and hardware architecture. Prior to Google, Yun-Ta Tsai was a senior research scientist at NVIDIA and a senior researcher at Nokia. He received M.Sc. from University of Southern California. His research interest includes computational photography, high performance computing, computer architecture and mixed reality. He has published his work in diversified venues from VLSI to SIGGRAPH, and enjoyed working with people from various disciplines.