HUGO PASSOS SIMÃO
________________________________________________________________________
Office:
Home:
CASTLE Laboratory
28 McComb Rd.
Dept. of Operations Research and
Princeton, NJ 08540 USA
Financial Engineering
Tel: (609) 924-0642
Princeton University
Cel: (609) 577-0261
Princeton, NJ 08544 USA
E-mail: [email protected]
Tel: (609) 258-6809
FAX: (609) 258-3796.
Birth Date: September 19, 1957.
Citizenship: USA and Brazil.
Marital Status: Married.
Permanent Residence: USA.
Career Interests:
 Planning and analysis of transportation, distribution, logistics,
inventory and supply-chain systems, involving physical resources or
energy, and including forecasting, simulation and optimization
modeling.
 Design, development and implementation of models and algorithms to
support the decision-making process in real-time operations, as well
as in tactical and strategic planning of large scale systems of the
above mentioned types.
Education:
 Princeton University, Princeton, USA: Ph.D.(1987) and M.A.(1985) in
Civil Engineering and Operations Research
 Instituto Tecnológico de Aeronáutica – ITA, São José dos Campos,
Brazil: M.Sc.(1983) and B.Sc.(1979) in Aeronautical Engineering
Awards and Honors:
 2009 Daniel H. Wagner Prize for Excellence in Operations Research
Practice, awarded by INFORMS, for the project “Approximate Dynamic
Programming Captures Fleet Operations for Schneider National” (jointly
performed w/ J.Day, A.George, T.Gifford, J.Nienow and W.Powell).
 Award for the Best Paper Relating to Manufacturing Technology, titled
“Approximate Dynamic Programming for Management of High Value Spare
Parts,” presented at the 4th International Conference on Production
Research – ICPR Americas’ 2008.
 Excellence in Teaching Awards presented by the Princeton University
Engineering Council on behalf of the spring 2006 and spring 2008 ORF
245 Fundamentals of Engineering Statistics Classes.
 Excellence in Teaching Award presented by the Princeton University
Engineering Council on behalf of the spring 2004 ORF 201 Computer
Methods in Problem Solving Class.
 Honorable Mention in the 1987 Dissertation Prize Competition from the
Transportation Science Section of the Operations Research Society of
America.
 Graduate School Merit Prize, Princeton University, USA (1983).
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1980 “Neiva” and “Aerotec” Awards, given annually to the Aeronautical
Engineer who graduated at ITA, Brazil, in the previous year, with the
highest GPA in his class.
Honorable Mentions in the Departments of Mathematics, Physics and
Aeronautical Structures at ITA, Brazil, awarded to the graduating
engineers who achieved highest GPA’s in the courses taken in those
departments (1975-1979).
Research and Consulting Experience:
 1990-present: Princeton University, USA – Senior Operations Research
Engineer in the Computational and Stochastic Transportation and
Logistics Engineering (CASTLE) Laboratory of the Department of
Operations Research and Financial Engineering, working on research,
developing applications and doing consulting on several projects with
the corporate partners of CASTLE Lab (listed in the subsequent items)
 2010-present: Columbia University and ConEdison, developing a load and
source optimization controller, as part of a smart grid demonstration
project for New York City
 2008-present: NetJets, developing tactical and strategic planning
tools, to perform crew-aircraft-demand and aircraft-demand assignments
over time
 2007-2009: Embraer – Empresa Brasileira de Aeronáutica S.A.,
developing a tactical tool to plan the logistics and the distribution
of spare parts for a new family of executive jets
 2002-2008: Schneider National, Inc., developing a tactical and
strategic planning tool, to perform driver-truckload assignments over
time, based on time and space decomposition and approximate dynamic
programming
 1990-2005, 1986-1987: Yellow Roadway Corporation (YRC), developing a
suite of planning tools, to perform LTL freight forecasting, static
and dynamic load planning, data visualization and driver-load
assignment, involving time-series analysis and various mathematical
programming approaches
 1993-2002: Air Products and Chemicals, Inc. (APCI), developing an
operational tool to perform crew scheduling, vehicle and inventory
routing, based on multi-layer resource allocation algorithms and
heuristics
 1998-2001: Norfolk Southern Corporation and Burlington Northern Santa
Fe Railway, participating in the development of freight forecasting
applications based on time-series analysis
 1996-1999: Preston Trucking Company, developing a customized static
load planning system for strategic analysis.
Teaching Experience:
 2002-present: Princeton University, USA – Lecturer in the Department
of Operations Research and Financial Engineering, teaching
introductory courses on computer programming and probability and
statistics, and a senior course on resource and information
management, in the undergraduate engineering program.
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1987-1990: Instituto Tecnológico de Aeronáutica - ITA, Brazil Assistant Professor in Transportation, teaching courses on linear
programming and transportation planning models.
Computer Skills:
 Programming Languages: Java, C++, C, C/Korn/Bash/DOS Shell Scripting,
FORTRAN, R.
 Mathematical Programming Software: Lindo, ILOG Cplex, COIN-OR CLP.
 Operating Systems: Unix/Linux, Windows/DOS.
 Graphics Software: Java, SGI OpenGL.
Professional Affiliations:
 Member, Institute for Operations Research and the Management Sciences
(INFORMS), and its Transportation Science & Logistics Section.
Published and Submitted Papers:
 “Calibrating Simulation Models Using the Knowledge Gradient with
Continuous Parameters,” to appear in the Proceedings of the 2010
Winter Simulation Conference (co-authored w/ W.Scott and W.Powell).
 “Approximate Dynamic Programming Captures Fleet Operations for
Schneider National,” Interfaces, Articles in Advance, pp.1-11, 2010
(co-authored w/ A.George, W.Powell, T.Gifford, J.Nienow and J.Day).
 “On the Redistribution of Existing Inputs Using the Spherical Frontier
DEA Model,” Pesquisa Operacional [online], Vol.30, No.1, pp.1-14, 2010
(co-authored w/ J.Avellar, A.Milioni and T.Rabello).
 “Simulation Model Calibration with Correlated Knowledge Gradients,”
Proceedings of the 2009 Winter Simulation Conference, (M.D.Rossetti,
R.R.Hill, B.Johansson, A.Dunkin and R.G.Ingalls, eds.), pp.339-353,
2009 (co-authored w/ P.Frazier and W.Powell).
 “Approximate Dynamic Programming for Management of High Value Spare
Parts,” Journal of Manufacturing Technology Management, Vol.20, No.2,
pp.147-160, 2009 (co-authored w/ W.Powell).
 “An Approximate Dynamic Programming Algorithm for Large-Scale Fleet
Management: A Case Application,” Transportation Science, Vol.43, No.2,
pp.178-197, 2009 (co-authored w/ J.Day, A.George, T.Gifford, J.Nienow
and W.Powell).
 “An Attribute-Decision Model for Cross-border Drayage Problem,”
Transportation Research-E, Vol.44, pp.217-234, 2008 (co-authored w/
R.Cheung, N.Shi and W.Powell).

“Dynamic Models for Freight Transportation,” chapter 5 in the
Handbook in Operations Research and Management Science, Vol.14
(C.Barnhart and G.Laporte, eds.), pp.285-365, 2007 (co-authored w/
W.Powell and B.Bouzaiene-Ayari).
 “Using Static Flow Patterns for Time-Staged Resource Allocation
Problems in Transportation,” submitted for publication in
Transportation Science, Sept. 2006 (co-authored w/ A.Marar and
W.Powell).
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“Approximate Dynamic Programming for High Dimensional Resource
Allocation Problems,” Proceedings of the IJCNN, Montreal, Aug. 2005
(co-authored w/ W.Powell, A.George and B.Bouzaiene-Ayari).
“Using Low Dimensional Patterns in Optimizing Simulators: An
Illustration for the Military Airlift Problem,” Mathematical and
Computer Modeling, Vol.29, pp.657-675, 2004 (co-authored w/ W.Powell,
T.Wu and A.Whisman).
“An Adaptive, Dynamic Programming Algorithm for the Heterogeneous
Resource Allocation Problem,” Transportation Science, Vol.36, pp.231249, 2002 (co-authored w/ W.Powell and J.Shapiro).
“A Representational Paradigm for Dynamic Resource Transformation
Problems,” Annals of Operations Research, Vol.104, pp.231-279, 2001
(co-authored w/ W.Powell and J.Shapiro).
“Dynamic fleet management as a logistics queueing network,” Annals of
Operations Research, Vol.61, pp.165-188, 1995 (co-authored w/
W.Powell, T.Carvalho and G.Godfrey).
“Numerical methods for simulating transient, stochastic queueing
networks - I: Methodology,” Transportation Science, Vol.26, pp.296311, 1992 (co-authored w/ W.Powell).
“Numerical methods for simulating transient, stochastic queueing
networks - II: Experimental design,” Transportation Science, Vol.26,
pp.312-329, 1992 (co-authored w/ W.Powell).
“A dual simplex algorithm for the canonical representation of the
uncapacitated facility location problem,” Operations Research Letters,
Vol.8, pp.279-286, 1989 (co-authored w/ J.-M.Thizy).
“Waiting time distributions for transient bulk queues with general
vehicle dispatching strategies,” Naval Research Logistics, Vol.35,
pp.285-306, 1988 (co-authored w/ W.Powell).
“Stochastic properties of flows in freight consolidation networks,”
Transportation and Traffic Theory, Proceedings of the Tenth
International Symposium on Transportation and Traffic Theory,
(N.H.Gartner and N.H.M.Wilson, eds.), Elsevier, New York, pp.437-457,
1987 (co-authored w/ W.Powell).
“Numerical simulation of transient bulk queues with general vehicle
dispatching strategies,” Transportation Research-B, Vol.20B, pp.477490, 1986 (co-authored w/ W.Powell).
Recent Conference Presentations and Invited Lectures:
 “Optimal Learning: Efficient Data Collection in the Information Age,”
keynote address in SPOLM 2010 – Navy Symposium on Operations Research
and Logistics, Rio de Janeiro, Brazil, August 2010.
 “Approximate Dynamic Programming Captures Fleet Operations for
Schneider National,” Wagner Prize finalist presentation at the 2009
INFORMS Annual Meeting, San Diego, CA, October 2009; Wagner Prize
Winner presentation at the 2010 INFORMS Conference on O.R. Practice,
Orlando, FL, April 2010 (joint presentations with T.Gifford).
 “Approximate Dynamic Programming for Spare Parts Management,” selected
presentation at the 2009 INFORMS Conference on O.R. Practice, Phoenix,
AZ, April 2009.
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“Approximate Dynamic Programming for Applications of High
Dimensionality,” keynote address in the X SIGE – Symposium on
Operational Applications in Areas of Defense, São José dos Campos,
Brazil, September 2008.
“Approximate Dynamic Programming for Management of High Value Spare
Parts,” 4th International Conference on Production Research – ICPR
Americas’ 2008, São Paulo, Brazil, June 2008.
“Approximate Dynamic Programming for a Spare Parts Problem: The
Challenge of Rare Events,” INFORMS Annual Meeting, Seattle, USA,
November 2007.
“Using an Optimizing Simulator to Solve Large Transportation
Networks,” IFORS Triennial Meeting, Hawaii, USA, July 2005.
“Using Distributed Computing to Accelerate the Optimizing Simulator
Solution,” IFORS Triennial Meeting, Hawaii, USA, July 2005.
Undergraduate Senior Theses Supervised or Co-supervised:
 Escoriaza, Alex (2010) Simulation and Analysis of an Energy Portfolio
Problem using a Deterministic Linear Program.
 Jurado-Varela, Alberto (2010) Containing the Flu: Evaluation of
Policies in Response to the 2009 H1N1 Pandemic.
 Schoppe, Jennifer (2010) The Valuation of Natural Gas Storage: A
Knowledge Gradient Approach with Nonparametric Estimation.
 Tagher, Nicholas (2010) Powering America: Optimizing Electricity
Generation for the United States until 2030.
 Zhou, Jessica (2010) 20 Percent Wind Generation and the Energy
Markets.
 Krishnan, Meera (2007), Distribution of antiviral drugs during
pandemic influenza: an approximate dynamic programming approach.
September 2010,
Hugo Passos Simão.