CV

Geoffrey Bryan A. CHUA

CONTACT INFORMATION

Division of IT & Operations Management                                               Phone: (65) 6790-6140

Nanyang Business School                                                                             Fax: (65) 6792-2313

S3-B2A-04, 50 Nanyang Avenue                                                     E-mail: gbachua@ntu.edu.sg

Singapore 639798                                                                     Last updated: September 19, 2016

EDUCATION

National University of Singapore

PhD in Management, Major in Decision Sciences                                                      August 2009

University of California at Berkeley

Visiting Research Scholar                                                                        August – December 2007

University of the Philippines

MS in Applied Mathematics, Major in Operations Research                                        June 2004

Ateneo de Manila University

BS Management Engineering                                                                                        March 1998

ACADEMIC POSITIONS

Nanyang Technological University, Singapore

Associate Professor, Division of IT & Operations Management                      September 2016 –

Assistant Professor, Division of IT & Operations Management      July 2009 – September 2016

RESEARCH INTERESTS

Main Areas: Flexible Capacity, Inventory Management, Operations-Marketing Interface, Humanitarian Operations

Secondary Areas: Supply Chain Design, Sustainable Operations, Healthcare Operations, Decision Making under Uncertainty

PUBLICATIONS (* for corresponding author)

1. Geoffrey A. Chua*, Shaoxiang Chen, Zhiguang Han. 2016. “Hub and Chain: Process Flexibility Design in Non-Identical Systems Using Variance Information”, European Journal of Operational Research 253(3): 625-638.
2. Geoffrey A. Chua*, Wei Shi Lim, Wee Meng Yeo. 2016. “Market Structure and the Value of Overselling under Stochastic Demands,” European Journal of Operational Research 252(3): 900-909.
3. Quan Yuan, Geoffrey A. Chua*, Xing Liu, Youhua Frank Chen. 2015. “Unsold versus Unbought Commitment: Minimum Total Commitment Contracts with Nonzero Setup Costs,” Production and Operations Management 24(11): 1750-1767.
4. Geoffrey A. Chua, Yan Liu*. 2015. “On the Effect of Demand Randomness on Inventory, Pricing and Profit,” Operations Research Letters 43(5): 514-518.
5. Mabel C. Chou, Geoffrey A. Chua*, Huan Zheng. 2014. “On the Performance of Sparse Process Structures in Partial Postponement Production Systems,” Operations Research 62(2): 348-365.
6. Mabel C. Chou*, Geoffrey A. Chua, Chung-Piaw Teo, Huan Zheng. 2011. “Process Flexibility Revisited: The Graph Expander and Its Applications,” Operations Research 59(5): 1090-1105.
7. Mabel C. Chou, Geoffrey A. Chua, Chung-Piaw Teo*. 2010. “On Range and Response: Dimensions of Process Flexibility,” European Journal of Operational Research 207(2): 711-724.
8. Mabel C. Chou, Geoffrey A. Chua, Chung-Piaw Teo*, Huan Zheng. 2010. “Design for Process Flexibility: Efficiency of the Long Chain and Sparse Structure,” Operations Research 58(1): 43-58.

COMPLETED MANUSCRIPTS (* for corresponding author)

1. Geoffrey A. Chua*, Yan Liu. “Sensitivity Analysis on Responsive Pricing and Production under Imperfect Demand Updating”, under review at Decision Sciences.
2. Geoffrey A. Chua, Reza Mokhlesi, Arvind Sainathan*. “Optimal Discounting and Replenishment Policies for Perishable Products”, under review for minor revision at International Journal of Production Economics.

WORK IN PROGRESS

1. “Multi-Stage Process Flexibility Design using Constraint Sampling and Cross Moment Methods”, with Shaoxiang Chen and Zhiguang Han, in preparation for European Journal of Operational Research.
2. “Optimal Policies for Inventory Systems with a Limited Number of Replenishments”, with Onur A. Kilic and Remco Germs, in preparation for Operations Research.
3. “Near-Optimal Algorithms for the Stochastic Inventory Problem with Remanufacturing”, with S. Viswanathan and Yan Feng, in preparation for Production and Operations Management.
4. “Total Business Volume Commitment and Inventory Replenishment”, with Youhua Frank Chen and Quan Yuan, in preparation for Operations Research.
5. “Capacity Planning with Advance Demand Information Using Real Options”, with Shaoxiang Chen and Zhiguang Han, in preparation for Management Science.
6. “Mechanism Design for Allocation of Humanitarian Rehabilitation Funds” with Fang Liu
7. “Minimal Set of Routes in the Inventory Routing Problem”, with Luca Bertazzi and Demetrio Lagana

OTHER PUBLICATIONS

1. Unsold versus Unbought Commitment: Inventory Control and Procurement Contracts. IFORS News. Volume 9, Issue 3, Pages 16-17, ISSN 2223-4373. September 2015.
2. Service Engineering Gaining Ground. The Business Times. 29^th October 2013.
3. Process Flexibility: Theory and Applications, with Mabel C. Chou, Chung-Piaw Teo and Huan Zheng, Working Monograph, 115 pages, June 2011.

RESEARCH GRANTS

• PI, Academic Research Fund Tier 2, Singapore Ministry of Education        2016 – 2019

“Enhancing Coordination in Humanitarian Operations in Asia”, S$438,329

• PI, Academic Research Fund Tier 1, Singapore Ministry of Education 2014 – 2017

“Optimal Design of Flexible Multi-Product Supply Chains”, S$85,627.34

• PI, Start-up Grant, Nanyang Technological University 2009 – 2014

“Analysis and Design of Flexible Production and Service Systems” and

“Coordination of Reverse Logistics Activities”, S$50,000

• Co-PI, Singapore Ministry of Health 2011 – 2013

“Design and Analysis of the Cross-Hospital Channeling of Emergency

Department Patient Flow”, S$173,880

SEMINAR & WORKSHOP PRESENTATIONS

1. Unsold versus Unbought Commitment: Inventory Control with Minimum Total Commitment, invited seminar at Syracuse University, Whitman School of Management, November 2015.
2. Responsive Pricing Newsvendor with Demand Forecast Updating, invited seminar at City University of Hong Kong, Department of Management Sciences, June 2015.
3. Unsold versus Unbought Commitment: Minimum Total Commitment Contracts with Nonzero Setup Costs, invited seminar at Singapore Management University, Lee Kong Chian School of Business, September 2014.
4. Unsold versus Unbought Commitment: Minimum Total Commitment Contracts, invited seminar at National University of Singapore, Department of Decision Sciences, April 2014.
5. On the Performance of Sparse Process Structures in Partial Postponement Production Systems, invited seminar at Hong Kong Polytechnic University, Department of Logistics and Maritime Studies, Hong Kong, China, January 2013.
6. On the Performance of Sparse Process Structures in Partial Postponement Production Systems, invited talk at Workshop on Supply Chains, Singapore Management University, December 2012.
7. Analysis and Design of Process Flexibility, invited seminar at Nanyang Technological University, Nanyang Business School, September 2008.

CONFERENCE PRESENTATIONS

1. Optimal Policies for Inventory Systems with Limited Number of Free Replenishments, with Onur Alper Kilic, POMS Annual Conference, Orlando, USA, May 2016.
2. Production Planning with Advance Demand Information Using Real Options, with Zhiguang Han and Shaoxiang Chen, INFORMS Annual Meeting, Philadelphia, USA, November 2015.
3. Multi-Stage Process Flexibility Design using Constraint Sampling and Cross Moment Methods, with Shaoxiang Chen and Zhiguang Han, 10^th Triennial Conference of the Association of Asia-Pacific Operational Research Societies, Kuching, Sarawak, Malaysia, August 2015.
4. Responsive Pricing Newsvendor with Imperfect Demand Updating, with Yan Liu, The Sixth POMS-HK International Conference, Guangzhou, China, January 2015.
5. Unsold versus Unbought Commitment: Minimum Total Commitment Contracts with Nonzero Setup Costs, with Youhua Frank Chen, Xing Liu and Quan Yuan, INFORMS Annual Meeting, San Francisco, USA, November 2014.
6. Unsold versus Unbought Commitment: Minimum Total Commitment Contracts with Nonzero Setup Costs, with Youhua Frank Chen, Xing Liu and Quan Yuan, The 2014 POMS International Conference, Singapore, July 2014.
7. Hub and Chain: Process Flexibility Design in Asymmetric Systems Using Variance Information, with Shaoxiang Chen and Zhiguang Han, The 2014 POMS International Conference, Singapore, July 2014.
8. Unsold versus Unbought Commitment: Minimum Total Commitment Contracts with Nonzero Setup Costs, with Youhua Frank Chen, Xing Liu and Quan Yuan, 20^th Conference of the IFORS, Barcelona, Spain, July 2014.
9. Process Flexibility Design Using Demand Variance Information, with Shaoxiang Chen and Zhiguang Han, The Fourth POMS-HK International Conference, Hong Kong, China, Jan 2013.
10. Design of Multi-Stage Process Flexibility, with Shaoxiang Chen and Zhiguang Han, The Fourth POMS-HK International Conference, Hong Kong, China, Jan 2013.
11. Inventory Based Pricing for Perishable Products: To Discount or Not, with Arvind Sainathan and Reza Mokhlesi, INFORMS Annual Meeting, Phoenix, USA, October 2012.
12. Hub and Chain: A Variance-based Method for Designing Process Flexibility, with Shaoxiang Chen and Zhiguang Han, INFORMS Annual Meeting, Phoenix, USA, October 2012
13. Near-Optimal Algorithms for the Stochastic Inventory Problem with Remanufacturing, with S. Viswanathan and Yan Feng, MSOM Conference, New York, USA, June 2012.
14. On (r,Q) Policies in Continuous Review Inventory Systems with Remanufacturing and Setup Costs, with Yan Feng and S. Viswanathan, POMS Annual Conference, Chicago, USA, April 2012
15. On the Effectiveness of (r,Q) Policies in Continuous Review Inventory Systems with Remanufacturing and Setup Costs, with Yan Feng and S. Viswanathan, The Third POMS-HK International Conference, Hong Kong, China, Jan 2012.
16. Value of the Third Chain: Effect of Partial Production Postponement on Process Flexibility, POMS Annual Conference, Vancouver, Canada, May 2010.
17. The Value of a Third Chain: Process Flexibility and Production Postponement, with Mabel Chou and Chung-Piaw Teo, MSOM Conference, Boston, USA, June 2009.
18. Efficiency of the Long Chain: A Random Walk Approach, with Mabel Chou and Chung-Piaw Teo, MSOM Conference, Beijing, China, June 2007.
19. Popularity versus Optimality: A Consensual Solution to Models of Uncertainty, with Mabel Chou, Melvyn Sim and Chung-Piaw Teo, INFORMS Annual Meeting, Pittsburgh, USA, November 2006.
20. On the Value of Process Flexibility Structures Considering Sales Revenues and Production Costs, with Mabel Chou, Asia-Pacific Operational Research Societies (APORS) Conference, Makati, Philippines, January 2006

• This paper won the Best Theoretical Paper Award, and the presenter received the Young Scholar Award.

TEACHING INTERESTS

Operations Management, Service Operations, Business Process Analysis, Supply Chain Management, Business Analytics, Operations Research, Management Science

TEACHING EXPERIENCE

NTU Undergraduate Teaching (4.52/5)

Instructor, Service Operations Management (UG elective, ongoing)              Sem 1, 2016 – 2017

Coordinator: Business Operations and Processes (4.61/5)                              Sem 2, 2015 – 2016

Instructor, Service Operations Management (UG elective, 4.48/5, 4.52/5)     Sem 1, 2015 – 2016

Coordinator: Business Operations and Processes                                           Sem 2, 2014 – 2015

(UG core, 4.71/5, 4.53/5)

Instructor: Services Operations for THM (UG elective, 4.67/5)                    Sem 1, 2014 – 2015

Coordinator: Business Operations and Processes

(UG core, 4.42/5, 4.8/5)                                                                                 Sem 2, 2013 – 2014

Instructor: Services Operations for THM (UG elective, 4.40/5)                    Sem 1, 2013 – 2014

Coordinator: Business Operations and Processes

(UG core, 4.09/5, 4.41/5, 4.36/5)                                                                   Sem 2, 2012 – 2013

Coordinator: Business Operations and Processes (UG core, 4.6/5)                Sem 2, 2011 – 2012

Instructor: Service Operations (UG core, 4.75/5, 4.59/5)                                Sem 1, 2011 – 2012

Instructor: Service Operations (UG core, 4.29/5)                                            Sem 1, 2010 – 2011

Instructor: Management Decision Tools (UG elective, 4.53/5)                       Sem 2, 2009 – 2010

Instructor: Service Operations (UG core, 4.49/5)                                            Sem 1, 2009 – 2010

NTU MBA/MSc Teaching (4.17/5)

Instructor: Supply Chain Management (MSc REP, ongoing)                         Sem 1, 2016 – 2017

Instructor: Operations (MBA core, ongoing)                                                 Trim 1, 2016 – 2017

Instructor: Operations (MBA core, 4.23/5)                                                   Trim 1, 2015 – 2016

Instructor: Operations (MBA core, 4.25/5)                                                   Trim 1, 2014 – 2015

Instructor: Managing Business Operations (MBA core, 4.22/5)                   Trim 1, 2013 – 2014

Instructor: Managing Business Operations (MBA core, 4.28/5)                   Trim 3, 2012 – 2013

Instructor: Managing Business Operations (MBA core, 3.88/5)                   Trim 3, 2011 – 2012

Instructor: Managing Business Operations (MBA core, 4.15/5)                   Trim 3, 2010 – 2011

National University of Singapore (4.51/5)

Tutor: Management Science (UG core, 4.66/5)                                               Sem 2, 2008 – 2009

Tutor: Management Science (UG core, 4.48/5)                                               Sem 2, 2006 – 2007

Tutor: Management Science (UG core, 4.38/5)                                               Sem 1, 2006 – 2007

Teaching Assistant: Supply Chain Management, Operations

Management, and Service Operations Management                                   Jan 2005 – Dec 2006

Ateneo de Manila University

Lecturer: Operations Research, Computing, Operations

Management, Business Statistics, and Calculus                                  April 2000 – March 2004

Director: Management Engineering Program                                          April 2002 – March 2003

ADVISING ACTIVITIES

Postdoctoral Research Associate

– Yan Liu (current faculty at University of Science and Technology of China)           2014 – 2015

PhD Student

– Zihan Zhou (committee member, internal examiner)                                                           2016 –

– Mahendra Birhade (committee member, internal examiner)                                       2014 – 2016

– Wan Guangyu (committee member)                                                                           2014 – 2016

– Zhiguang Han (co-supervised with Shaoxiang Chen)                                                 2010 – 2014

Exchange PhD Student

– Xu Jing (Jiangsu University, co-supervised with Liu Fang)                                                  2015

Masters Individual Study Module

– Darren Ler

Military Outsourcing for the Singapore Armed Forces                                                        2012

Research Assistant

– Reza Mokhlesi (co-supervised with Arvind Sainathan)                                             2011 – 2013

Undergraduate Final Year Projects

– Luong Thi Thu Ha, Ng Yu Ting Eileen, and Yip Kai Ling Claire                               2011 – 2012

Revenue Optimization at a Japanese Restaurant Chain

– Tan Zhewen Desmond, Chen Shijia Hazel, Wang Jiali                                               2011 – 2012

Repositioning of Empty Containers in the Shipping Industry

HONORS AND AWARDS

• Finalist, ITOM Division Teaching Excellence Award, NTU 2012, 2013, 2016
• The Outstanding Young Men (TOYM), Philippines 2015
• Nominee for Nanyang Education Award (School), NTU 2015
• ITOM Division Research Excellence Award, NTU 2011, 2015
• Nominee for NBS Teacher of the Year (TOY) Award, NTU 2014
• ITOM Division Teaching Excellence Award, NTU 2014
• Finalist, ITOM Division Research Excellence Award, NTU 2014
• Participant, Emerging Scholars Program, POMS 2012
• NUS Research Scholarship 2004 – 2009
• President’s Graduate Fellowship, NUS 2006, 2007
• Best Theoretical Paper, APORS Conference 2006
• Young Scholar Award, APORS Conference 2006
• Study Fellowship, Hong Kong Baptist University 2001
• University Scholar, University of the Philippines 2000 – 2001
• Honorable Mention, Ateneo de Manila University 1998

PROFESSIONAL SERVICE

Nanyang Technological University

• Fellow, Renaissance Engineering Program 2016 –
• Faculty Search Committee, ITOM Division, NBS 2016 –
• Curriculum Committee, ITOM Division, NBS 2014 –
• active involvement (e.g. curriculum design, industry interviews) in

design of new Business Analytics specialization

• Research Seminar Coordinator (OM Group), ITOM Division, NBS

– organized 31 research seminars in a span of 2 years                                              2011 – 2013

• Ad-Hoc Faculty Search Committee, ITOM Division, NBS

– successfully recruited 2 new faculty members                                                       2010 – 2011

Professional Bodies

• Assistant Honorary Treasurer, ORSS 2016 –
• Member, ORSS 2015 –
• Member, POMS 2010 –
• Member, MSOM 2007 –
• Member, INFORMS 2006 –
• Board Member and Director, ORSP 2002 – 2004

Conferences

• Organizing Committee Member, The Eight POMS-HK International Conference Jan 2017
• Session Organizer, The 2016 POMS Annual Conference, Orlando, USA May 2016
• Session Organizer, The 2014 POMS International Conference, Singapore July 2014

Journal Review

• Editorial Advisory Board – Computers & Operations Research 2016 –
• Editorial Review Board – Production and Operations Management 2015 –
• Ad-Hoc Reviewer – Operations Research, Management Science, Production and Operations Management, IIE Transactions, European Journal of Operational Research, Naval Research Logistics, International Journal of Production Economics, Omega, Journal of Electronic Commerce Research, Electronic Commerce Research and Applications

OTHER WORK EXPERIENCE

Ateneo de Manila University

Lecturer: Operations Research, Computing, Operations Management                       2000 – 2004

Director: Management Engineering Program                                                               2002 – 2003

ACTS Review and Tutorial Center, Philippines

Founder, Managing Director, and Lecturer                                                                  2000 – 2004

Wilco-Tech Packaging Corporation, Philippines

Executive Assistant to the President                                                                                       1999

San Miguel Corporation, Philippines

Operations Research Analyst                                                                                      1998 – 1999