BSc(Hons), University of Singapore
PhD, Harvard University

Member of Technical Staff, Sequoia Systems, Marlborough, Massachusetts (June 1984- Apr. 1985)
Visiting Fellow, Department of Computer Science, Princeton University (May 1991- Apr. 1992)
Consultant, WindowsNT Performance Group, Microsoft, Redmond (Jan.-Nov. 1999)
Visiting Scientist, Laboratory of Computer Science, MIT (Jan.-June 2003)
Visiting Faculty, Intel Research, Cambridge, UK (Aug.-Nov. 2006)
Visitor, University of Cambridge Computer Laboratory, UK (Dec. 2006)
Visiting Professor/Scholar, Computer Science Department, UCLA (Dec. 2009 - July 2010)
Scholar-in-Residence, VMware, Palo Alto (July-November, 2013)
Honorary Professor, Amity University, India (Aug. 2014 - )
Visiting Professor, VMware, Bangalore (June, 2015)
Visiting Professor, CSIE Department, National Taiwan University (Feb.-June 2017)
Visiting Scientist, Huawei Future Network Theory Lab (Dec. 2018)
Professor, Tembusu College, NUS (Aug. 2011 - June 2023)
Professor, Yale-NUS College (Aug. 2022 - July 2023)
Visiting Professor, ISTD Pillar, Singapore University of Technology and Design (July - Dec. 2023)
Tembusu College Residential Fellow (Aug.2011-July 2023); Fellow (Aug.23-July 2025).
Emeritus Professor, National University of Singapore (July 2025 - ).

Associate Editor (2014-16), Senior Associate Editor (2016- ), ACM Trans. Modeling and Performance Evaluation of Computing Systems.
Member of Editorial Board, VLDB Journal, Springer-Verlag (1995-2001)

Member of Program Committees: 
SIGMOD (1992, 1993, 2008) 
VLDB (1993, 1994, 1995); VLDB demo (2022, 2023, 2024) 
ICDE (1997, 2002) 
ICDCS (1998, 2021)
SIGMETRICS (2005, 2007, 2008, 2010, 2011, 2013, 2017, 2020:co-chair, 2021, 2023) 
SIGMETRICS/Performance (2006, 2009, 2012, 2022, 2024)
IFIP Performance (2011, 2015, 2017, 2018, 2020, 2021, 2025, 2026:co-chair)
IFIP Networking (2014, 2015, 2016, 2017, 2018, 2021, 2022, 2023, 2024)
WWW (2020)
International Conference on Performance Engineering (2025: Emerging Research Track co-chair, 2026)
International Teletraffic Congress (2025:co-chair)
MASCOTS (2013, 2014, 2015, 2017, 2023, 2024)
IWQoS (2011, 2012)
IPDPS (2019)
ICS (2012, 2024)
MASS (2004)
Workshop on Algorithms for MapReduce and Beyond (2014)

Member of Organizing Commitee:
SIGMETRICS 2018 Tutorial Chair, 2023 Student Activities Co-chair, 2025 Panels Chair.
TeaPACS, Workshop on Teaching Performance Analysis of Computer Systems (2021:co-chair; 2023:co-chair; 2024:co-chair)

Member of Executive Commitee:
SIGMETRICS Award Coordinator (June 2025- ).

Member of Steering Commitee:
Int. Conf. on Queueing Theory and Network Applications (2010-2019).

SoLAR Learning Analytics Summer Institute (LASI), 2023:
Tutorial on Generating Synthetic Relational Databases for Learning Analytics.
Workshop on Synthetic Generation of Realistic Student Data.

Residential Colleges Teaching Commendation (2016/17, 2018/19)
Science Faculty Teaching Excellence Award (2000/01, 2001/02, 2003/04, 2004/05, 2005/06, 2014/15)
Science Faculty Teaching Awards Honour Roll (2006/07, 2007/08)
School of Computing Teaching Excellence Award (2007/08)
Science Teaching Award (1993)