· Visiting Faculty Researcher, Google2023–
· Distinguished Consultant on Responsible AI, Meta2022–
· Senior Director of AI Research, Meta2022–
· PhD in Computer Science, Columbia University1997–
· Chair Professor, Department of Electronic & Computer Engineering and Department of Computer Science & Engineering, The Hong Kong University of Science & Technology (HKUST)1997–
· Researcher, AT&T Bell Labs1993–1997
· MS in Computer Science, Columbia University1993–
· Associate Scientist, BBN Systems & Technologies1991–1992
· Visiting Researcher, LIMSI, CNRS1991–
· Research Student, Kyoto University1989–1991
· BS in Electrical Engineering, Worcester Polytechnic Institute1988–