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)

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)
IFIP Networking (2014, 2015, 2016, 2017, 2018, 2021, 2022, 2023, 2024)
WWW (2020)
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 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)