Dr Steven Halim is a lecturer in School of Computing, National University of Singapore. He is the coach of NUS ACM ICPC teams (World Finals 2009-10; 12-13) and Singapore IOI team (2 golds, 6 silvers, 7 bronzes 2009-12).
Dr Felix Halim now works in Google Mountain View, California, USA. He was IOI 2002 contestant. His team won the ACM ICPC Kaohsiung Regional 2006. He develops the uHunt tool for UVa Online Judge. His TopCoder handle is felix_halim.