2026
KEYNOTE TALK: 25th Anniversary SUMO Conference, “Traffic simulation modeling: combining generative modeling with transportation science to achieve scalability”, June 2026
7th Symposium on Management of Future Motorway and Urban Traffic Systems (MFTS 2026), “On the design of metropolitan-scale traffic simulators: achieving unparalleled accuracy, fast compute times and robust model training by combining transportation science and machine learning”, September 2026
HEC Montréal Foundation and Alumni Event “Rendez-vous avec une experte”, AI & Urban Mobility, March 19, 2026
2025
KEYNOTE TALK: 2026 EURO Working Group on Vehicle Routing and Logistics Optimization (EWGLA) Annual Workshop, July 2025
Royal Society of Canada Celebration of Excellence & Engagement (COEE2025) / Mainstreaming AI: Implications for the Scientific Community Symposium, Panel Moderator, September 2025
EURO OSS on Operational Research and Machine Learning, February 9, 2025 (talk given remotely)
University of Washington (UW) Big Data, AI and Transportation Planning Applications Workshop, January 2025
CRI2GS Day, January 2025
2024
KEYNOTE TALK: 2025 IEEE MT-ITS Conference (International Conference on Models and Technologies for Intelligent Transportation Systems), University of Luxembourg, July 2024
FARI Conference of the AI for the Common Good Institute, June 2024
IVADO Workshop: Towards Resilient and Sustainable Supply Chains Through Machine Learning and Optimization, February 2024
2023
PLENARY TALK: 3rd Colombian Conference in Applied and Industrial Mathematics, December 2023
SEMI-PLENARY TALK: German / Austrian / Swiss OR Days, September 2023
Fields Institute Workshop on Recent Advances in Optimization, August 2023
PLENARY TALK: International Symposium on Dynamic Traffic Assignment (DTA), July 2023
PLENARY TALK: Fields Institute Workshop on Smart Cities, Energy and Sustainability, May 2023
2022
1st NeurIPS Workshop on Gaussian Processes, Spatiotemporal Modeling, and Decision-making Systems, August 2022
2021
KEYNOTE TALK: Eurandom Workshop on Road Traffic Flow: Analysis, Optimization and Control, High-dimensional traffic control through Bayesian optimization, October 21, 2021, Eindhoven, The Netherlands (talk given remotely)
CIRRELT (Interuniversity Research Centre on Enterprise Networks, Logistics, and Transportation) Seminar Series, Travel demand estimation:the cornerstone of future urban mobility services, September 28, 2021, Montreal QC, Canada (talk given remotely)
GERAD (Group for Research in Decision Analysis) Seminar Series, Efficient Bayesian optimization techniques for high- dimensional urban mobility problems, April 28, 2021, Montreal QC, Canada (talk given remotely)
2019
KEYNOTE TALK: Workshop on Control for Networked Transportation Systems (CNTS), Simulation‐based optimization methods for high‐dimensional urban mobility problems, July 8, 2019, Philadelphia PA, US
Caltech Mechanical and Civil Engineering Seminar Series, Simulation‐based optimization algorithms for high‐dimensional urban transportation problems, May 23, 2019, Caltech, Pasadena CA, US
KEYNOTE TALK: Workshop on Advances in Operations Research Applied to Transportation and Logistics, Bigger data, better models? What’s the role of transportation OR models in this big data era? May 20,2019, Loyola University, Chicago IL, US
KEYNOTE TALK: MIT CCE (Center for Computational Engineering) Symposium, Computational challenges and opportunities in the urban mobility space, March 18, 2019, MIT, Cambridge MA, US
2018
MIT ORC (Operations Research Center) 65th Anniversary Symposium, Urban mobility systems of the future, November 27, 2018, MIT, Cambridge MA, US
KEYNOTE TALK: Mathematics Applied in Transport and Traffic Systems (MATTS) Conference, Better data, better models? Designing calibration algorithms for next generation of mobility models, October 19, 2018, Delft, The Netherlands
University of Michigan NGTS (Next Generation Transportation Systems) Seminar Series, Car‐sharing network optimization driven by high‐resolution data, simulation and discrete optimization, October 11, 2018, Ann Arbor MI, US
KEYNOTE TALK: Emerging Technologies Middle East and North Africa (EmTech MENA) Conference, Future urban mobility needs and shared mobility solutions, September 23, 2018, Dubai, United Arab Emirates
George Mason University SEOR Departmental Seminar Series, Simulation‐based optimization methods for high‐dimensional urban mobility problems, September 21, 2018, Fairfax VA, US
Cruise Automation, Car-sharing network optimization driven by high-resolution data, simulation and discrete optimization, August 28, 2018, San Francisco CA, US
Uber Technologies Inc. (“Uber”), Simulation-based optimization methods for high-dimensional urban transportation problems, August 28, 2018, San Francisco CA, US
UC Berkeley Seminar, Efficient high-dimensional dynamic OD calibration for large-scale simulation-based traffic models, August 3, 2018, University of California, Berkeley CA, US
Workshop on Simulation Analytics: Smart Simulation in Big Data Era, Simulation-based optimization methods for high-dimensional urban transportation problems, June 13, 2018, Peking, China
Symposium on Management of Future Motorway and Urban Traffic Systems (MFTS2018), High-dimensional dynamic origin-destination demand calibration of large-scale stochastic simulation-based traffic models, June 11, 2018, Ispra, Italy
International Symposium on Dynamic Traffic Assignment (DTA), An efficient algorithm for high-dimensional dynamic origin-destination demand estimation of inefficient large-scale stochastic simulation-based traffic models, June 7, 2018, Hong Kong
Northwestern IEMS Department Seminar Series, Car-sharing network optimization driven by high-resolution data, simulation and discrete optimization, April 24, 2018, Northwestern University, Evanston IL, US
ORIE (Operations Research and Information Engineering) Colloquim, Car‐sharing network optimization driven by high‐resolution data, simulation and discrete optimization, April 10, 2018, Cornell University, Ithaca NY, US
KEYNOTE TALK: Dagstuhl Seminar on Dynamic Traffic Models in Transportation Science, Optimization and Simulation, or how to exploit analytical problem structure to tackle non-analytical optimization problems, March 9, 2018, Dagstuhl, Germany
Institute of Transportation Studies (ITS) Berkeley Friday Seminar Series, Car-sharing network optimization driven by high-resolution data, simulation and discrete optimization, February 2, 2018, University of California, Berkeley CA, US
University of Queensland, Car-sharing network optimization driven by high-resolution data, stimulation and discrete optimization, January 30, 2018, Brisbane, Australia
University of New South Wales, Demand calibration: from model-driven to data-driven approaches, January 29, 2018, Sydney, Australia
CIRRELT (Interuniversity Research Centre on Enterprise Networks, Logistics, and Transportation) Seminar Series, Car-sharing network optimization driven by high-resolution data, simulation and discrete optimization, January 22, 2018, Montreal QC, Canada
2017
Delft University of Technology (TU Delft), Future urban mobility needs and shared mobility solutions, December 19, 2017, Delft, Netherlands
KEYNOTE TALK: Fulbright Colombia Conference on Sustainable Urban Mobility, The design and the management of sustainable urban mobility systems in the big-data era (El diseño y manejo de sistemas de movilidad urbana sostenible en la era del “big-data“), September 14, 2017, Cartagena, Colombia
KEYNOTE TALK: Emerging Technologies (EmTech) Caribbean Conference, Designing and operating the on-demand, shared, autonomous and connected transportation systems of the future, April 27, 2017, Santo Domingo, Dominican Republic
MIT CEE and Parsons Infrastructure, Smart Cities, Transportation Workshop, Large-scale urban transportation optimization, March 8, 2017, Cambridge MA, USA
2016
KEYNOTE TALK: National Academy of Engineering’s (NAE) EU-US Frontiers of Engineering (EU-US FOE) Symposium, Simulation-based Transportation Optimization, October 17, 2016, Helsinki, Finland
TRISTAN IX, Triennial Symposium of Transportation Analysis, A highly efficient analytical stochastic network loading model, June 13, 2016, Oranjestad, Aruba.
First Symposium on Management of Future motorway and urban Traffic Systems (MFTS), Efficient large-scale traffic management with inefficient traffic models, June 2, 2016, Chania, Greece.
INRO Seminar, Calibration algorithms for large-scale traffic simulators, May 20, 2016, Montreal, Canada.
CIRRELT Seminar Series, Interuniversity Research Centre on Enterprise Networks, Logistics and Transportation, Large-scale urban transportation systems design and operations in the era of connected, autonomous and real-time responsive vehicles and travelers, May 20, 2016, Montreal QC, Canada.
University at Buffalo ISE Praxair Seminar Series, Large-scale simulation-based transportation optimization in the era of autonomous and real-time responsive vehicles and travelers, May 6, 2016, Buffalo, NY, USA.
KEYNOTE TALK: MIT SCALE (Supply Chain And Logistics Excellence) Latin America Conference, Large-scale urban transportation system design and operations in the era of connected, autonomous and real-time responsive vehicles and travelers, March 22, 2016, Cambridge MA, USA.
Institute for Transport Planning and Systems (IVT) Seminar Series, ETHZ Swiss Federal Institute of Technology Zurich, Efficient calibration techniques for large-scale traffic simulation models, February 11, 2016, Zurich, Switzerland.
Department of Electrical Engineering, IIT (Indian Institute of Technology) Madras Seminar Series, Towards real-time simulation-based transportation optimization, Jan. 6, 2016, Chennai, India.
KEYNOTE TALK: COMSNETS Workshop on Intelligent Transportation Systems, International Conference on COMmunication Systems & NETworks, Towards real-time simulation-based transportation optimization, Jan. 5, 2016, Bangalore, India.
2015
KEYNOTE TALK: Institute for Pure and Applied Mathematics (IPAM), On the use of high-resolution urban traffic simulation models for large-scale network optimization. New Directions in Mathematical Approaches for Traffic Flow Management Program, Nov. 18, 2015. Los Angeles, CA, USA.
MIT Latino Employee Resource Group, Urban transportation challenges, National Hispanic Heritage Month Luncheon, Oct. 7, 2015, Cambridge, MA, USA.
KEYNOTE TALK: Mid-Atlantic Transportation Sustainability Center University Transportation Center (MATS UTC) Annual Meeting, Energy Efficient Urban Transportation, Aug. 6, 2015, Wilmington, DE, USA.
Transportation Science and Logistics (TSL) Workshop, A metamodel simulation-based optimization approach for the efficient calibration of stochastic traffic simulators, July 8, 2015, Berlin, Germany.
Transport Systems Planning and Transport Telematics Laboratory, Berlin Institute of Technology (TU Berlin), Efficient simulation-based optimization algorithms to inform urban network design and operations, July 2, 2015, Berlin, Germany.
International Scientific Conference on Mobility and Transport (mobil.TUM), Computationally efficient calibration algorithms for large-scale traffic simulation models, July 1, 2015, Munich, Germany.
University of Maryland Transportation Seminar Series, Simulation-based optimization algorithms for large-scale dynamic urban transportation problems, May 8, 2015, College Park, MD, USA.
MIT Alumni Association Event, Urban Transportation Challenges. Building a More Resilient NYC Through Big Engineering, May 6, 2015, New York, NY, USA.
University of Massachussetts Amherst (UMass) Amherst Transportation Seminar Series, Simulation-based optimization algorithms and their use for large-scale dynamic urban traffic management problems, April 30, 2015, Amherst, MA, USA.
2014
Institute of Transportation Studies (ITS) Berkeley Friday Seminar Series, Simulation-based optimization algorithms for urban transportation problems, Nov. 14th, 2014, University of California, Berkeley CA, USA.
INFORMS Annual Meeting, A simulation-based optimization algorithm for dynamic transportation problems, November 10, 2014, San Francisco, CA, USA.
2nd Annual CEE New Research Alumni Breakfast, Optimizing the design and the operations of our urban transportation systems, Oct. 31st, 2014, Cambridge MA, USA.
International Symposium of Transport Simulation (ISTS), Solving large-scale urban transportation problems by combining the use of multiple traffic simulation models, June 2, 2014, Ajaccio, France.
International Symposium of Transport Simulation (ISTS), A metamodel simulation-based optimization approach for the efficient calibration of stochastic traffic simulators, June 2, 2014, Ajaccio, France.
International Symposium of Transport Simulation (ISTS), Stochastic analytical dynamic queueing network model with spill-back, June 2, 2014, Ajaccio, France.
2013
INFORMS Annual Meeting, A Bayesian subset selection method and its application to transportation simulation-based optimization, October 8, 2013, Minneapolis, MN, USA
INFORMS Annual Meeting, A simulation-based optimization algorithm for dynamic urban transportation problems, October 8, 2013, Minneapolis, MN, USA
TRISTAN VIII, Triennial Symposium on Transportation Analysis, Approximation of time-dependent multi-dimensional queue-length distributions, June 13, 2013, San Pedro de Atacama, Chile.
TRISTAN VIII, Triennial Symposium on Transportation Analysis, Simulation-based reliable signal control, June 11, 2013, San Pedro de Atacama, Chile.
Transport Engineering and Logistics Seminar Series, Pontificia Universidad Católica de Chile, Using Stochastic Traffic Simulators to Efficiently Address Complex Transportation Problems, June 5, 2013, Santiago de Chile, Chile.
Institute of Transportation Engineers (ITE) Seminar, Purdue University, Simulation-based optimization methods for urban transportation problems, March 19, 2013, West Lafayette, IN, USA.
2012
Winter Simulation Conference (WSC), Combining Metamodel Techniques and Bayesian Selection Procedures to Derive Computationally Efficient Simulation-Based Optimization Algorithms, Dec. 12, 2012, Berlin, Germany.
Winter Simulation Conference (WSC), An efficient simulation-based optimization algorithm for large-scale problems, Dec. 12, 2012, Berlin, Germany.
Transport Systems Planning and Transport Telematics Laboratory, Berlin Institute of Technology (TU Berlin), Simulation-based optimization methods for urban transportation problems, Dec. 11, 2012, Berlin, Germany.
INFORMS Annual Meeting, An analytical approximation of the joint distribution of queue-lengths in an urban network, October 14, 2012, Phoenix, AZ, USA
INFORMS Annual Meeting, Energy-efficient traffic management: a microscopic simulation-based approach, October 14, 2012, Phoenix, AZ, USA
INFORMS Annual Meeting, Large-scale traffic signal control: a simulation-based approach, October 14, 2012, Phoenix, AZ, USA
First European Symposium on Quantitative Methods in Transportation Systems, LATSIS Symposium, Using probabilistic information from macroscopic traffic models to derive computationally efficient simulation-based optimization algorithms, Sept. 6, 2012, Lausanne, Switzerland
KEYNOTE TALK: Emerging Technologies (EmTech) Conference Colombia, Design of urban mobility solutions that account for individual traveler behavior and vehicle technologies, July 12, 2012, Medellin, Colombia
EURO Conference, European Conference on Operational Research, Mitigating network congestion: analytical models, optimization methods and their applications, July 9, 2012, Vilnius, Lithuania
2011
INFORMS Annual Meeting, Simulation-based optimization for urban traffic management, November 16, 2011, Charlotte NC, USA
INFORMS Annual Meeting, Dynamic network loading: a differentiable approach that yields queue-length probability distributions, November 13, 2011, Charlotte NC, USA
INFORMS Annual Meeting, Probabilistic analytical modeling of spatial dependency in urban networks, November 13, 2011, Charlotte NC, USA
First INFORMS Transportation Science and Logistics Society Workshop, Combining simulation-based and analytical traffic models to mitigate urban congestion, June 28, 2011, Asilomar CA, USA
Aerospace Computational Design Laboratory Seminar Series, Optimization of stochastic traffic simulators for urban traffic management, MIT , May 13, 2011, Cambridge MA, USA
Northwestern University Transportation Center Seminar Series, A simulation-based optimization framework for urban traffic control, April 21, 2011, Evanston IL, USA
Transportation Research Forum, A simulation-based optimization framework for urban traffic control, March 11, 2011, Long Beach CA, USA
Symposium on Driver-facing Technologies To Improve Urban Mobility, Traveler information and traffic management systems, February 4, 2011, MIT, Cambridge MA, USA
Transportation Research Board Annual Meeting, Simulation-based optimization of congested urban road networks, January 26, 2011, Washington DC, USA
Transportation Research Board Annual Meeting, Mitigating network congestion: analytical models, optimization methods and their applications, January 23, 2011, Washington DC, USA
2010
Pan-American Conference of Traffic and Transportation Engineering and Logistics (PANAM), Urban traffic control for congested networks: a novel metamodel simulation optimization approach, July 16, 2010, Lisbon, Portugal
World Conference on Transport Research (WCTR), A simulation-based optimization framework for urban traffic congestion management, July 13, 2010, Lisbon, Portugal
TRISTAN VII, Triennial Symposium on Transportation Analysis, A simulation-based optimization approach to perform urban traffic control, June 22, 2010, Tromsø, Norway
MIT Transportation Seminar, Coupling simulation-based and analytical traffic models to mitigate urban congestion, May 04, 2010, Cambridge MA, USA
2009
European Transport Conference (ETC), A multi-model algorithm for the optimization of congested networks, October 05, 2009, Noordwijkerhout, Netherlands
Swiss Transport Research Conference (STRC), A simulation optimization framework for the management of congested urban road networks, September 10, 2009, Ascona, Switzerland
Computational Management Science Conference, A metamodel approach for simulation optimization of congested urban road networks, May 01, 2009, Geneva, Switzerland
MIT Intelligent Transportation Systems (ITS) Research Seminar Series, Simulation-based optimization of congested urban networks, March 03, 2009, Massachusetts Institute of Technology, Cambridge, MA, USA
2008
MIT Intelligent Transportation Systems (ITS) Research Seminar Series, Accounting for congestion and spillbacks in fixed-time traffic signal optimization: a queueing network approach, November 04, 2008, Massachusetts Institute of Technology, Cambridge, MA, USA
Swiss Transport Research Conference (STRC), A multiple model approach for traffic signal optimization in the city of Lausanne, October 16, 2008, Monte Verita, Ascona, Switzerland
European Transport Conference (ETC), Network performance optimization using a queueing network model, October 06, 2008, Noordwijkerhout, Netherlands
Ciclo de Seminarios de Ingeniería Industrial, Network performance evaluation and optimization using a queueing network model, September 22, 2008, Universidad de los Andes, Bogotá, Colombia
Pan-American Conference on Traffic and Transportation Engineering (PANAM), Signal control optimization with a queueing network model capturing congestion, September 16, 2008, Cartagena, Colombia
Latin-Ibero-American Conference on Operations Research (CLAIO), A queueing network approach to the traffic signal optimization of the Lausanne city center, September 10, 2008, Cartagena, Colombia
Primer Simposio Asociación Colombiana de Investigadores en Suiza (ACIS), Optimización de semáforos en el centro de Lausana mediante un modelo de filas de espera, May 17, 2008, Lausana, Suiza
2007
Swiss Transport Research Conference (STRC), Describing network congestion and blocking with an analytic queueing network model. STRC, September 13, 2007, Ascona, Switzerland
TRISTAN VI, Triennial Symposium on Transportation Analysis, An analytic finite capacity queueing network model capturing congestion and spillbacks, June 11, 2007, EPFL, Phuket Island, Thailand
Selected chapters from operations research, Mathematics Doctoral School, Capturing blocking and spillback in finite capacity queueing networks, May 24, 2007, EPFL, Lausanne, Switzerland
3ième cycle romand de recherche opérationnelle, Analysis of finite capacity queueing networks, March 07, 2007, Zinal, Switzerland
2006
4th Joint Operations Research Days, Analysis of finite capacity queueing networks, September 15, 2006, EPFL, Lausanne
Selected chapters from discrete optimization, Mathematics Doctoral School, Finite capacity queueing networks, May 30, 2006, EPFL,