Lei N. is an experienced professional in the field of machine learning and research, holding a postdoctoral research associate position at Imperial College London from August 2015 to September 2016 before transitioning to Kunlun AI as a machine learning engineer from October 2016 to May 2017. Following this, Lei N. served as a staff machine learning engineer at Quora from June 2017 to November 2020 and has been working as a research scientist at Meta since November 2020. Lei N. possesses advanced degrees in computer science from both the University of Chinese Academy of Sciences and Imperial College London.