Junfeng Yang is an assistant professor in Computer Science department at Columbia University. Before that, he was a Post-doc researcher at Microsoft Research Silicon Valley. Junfeng Yang received his Ph.D. in Computer Science from Stanford University in 2008, his MS in Computer Science from Stanford in 2002, and his BS in Computer Science from Tsinghua University, Beijing, China in 2000. He is a receipt of the Best Paper Award of OSDI 2004.