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World Cities Forum 2023. Future of Urban Mobility: Trends, Implications and Opportunities. Invited talk, Goyang Special City, South Korea, Oct 31, 2023.

National Academy of Sciences Workshop on Digital Twins for the Electricity System: A symposium. Moderator, Digital Twins and the Electric System Groundwork, July 26, 2023

Association of Collegiate Schools of Planning Administrator’s Conference. Session on Non-traditional programs and Changing Approaches to Credentialing in Planning Education. Session leader, Denver, CO, March 31, 2023.

13th International Conference on Social Informatics 2022. Travel Behavior and Physical Distancing in Pre-Pandemic Daily Life: An Analysis using Lifelogging Images and Survey Data. Keynote address, Glasgow, UK, June 17, 2022.

The Golden Compass workshop for female foreign-born geospatial scientists, funded by the Carolyn Merry Mentoring Grant through NSF and UCGIS, University of Colorado Denver. Working your way into academic leadership – and thriving in that role. May 22, 2022.

University of Texas at Austin. Ethics and Responsible Innovation in Data-Intensive Smart Cities and Urban Mobility Management. Invited talk in UT Austin Vice President for Research Good Systems program speaker series. May 16, 2022.

Rutgers University School of Engineering Honors Program. Machine Intelligence, Smart Cities and Urban Mobility: Examples and Responsible Applications. Keynote address in Rutgers Engineering Honors Council. April 27, 2022.

Ohio State University Fall Forum on Data for Good, Ethically. Organized by OSU Translational Data Analytics Institute. Panelist on smart mobility. Oct 15, 2021.

International Association of Chinese Planners. Urban Informatics and Aspirations for Evidence-Based Decision Making and Community Engagement in a Post-Pandemic World. Keynote address (virtual presentation), September 10, 2021.

International Statistical Institute (ISI) Panel. Partnerships with official statistical agencies: an academic perspective on experimental statistics. Invited speaker and discussant, 63rd World Statistics Congress. Panel organized by Statistics Netherlands, with participation of Mexican National Statistical Office, June 22, 2021.

Princeton University New Jersey Big Data Alliance, Moderator, panel on Smart Data to Illuminate Community Grand Challenges, April 30, 2021.

Newark Airport City Consortium. Newark Airport City: A Regional Planning View. Keynote address (virtual address), April 30, 2021.

Princeton University, Princeton. Aspirations for a Better Post-Pandemic World. Princeton-Panelist Remarks Princeton-Mellon Foundation, Oct 21, 2020.

AASHTO Joint Policy Conference. Mobility Analytics in the COVID Era: Prospects and Challenges with New Forms of Data and AI. Keynote Address, American Association of State Highway and Transportation Officials (AASHTO) 2020 Joint Policy Conference (Virtual Address), Sept 30, 2020.

Port Authority of New York and New Jersey, New York City, World Trade Center. Decision-Support and Citizen Engagement for Mobility and Smart Cities: Prospects and Challenges with New Forms of Data. Invited talk, Regional Roundtable. Dec. 17, 2019.

New York City Bloustein School Alumni Group, LMHQ, New York City, NY. Smart Mobility and Analytics. Invited talk, Oct 11, 2019.

Ohio State University NSF Workshop on Sustainable Urban Systems, Columbus, Ohio. Urban Informatics and Smart Mobility in Future Cities: Prospects and Challenges with New Forms of Data and AI. Keynote speech. July 16, 2019.

European Commission, Eurostat New Techniques and Technologies for Statistics 2019, Brussels, Belgium. Challenges in Urban Informatics and Smart Cities with New Forms of Data. Keynote speech, March 13, 2019.

Royal Society of Edinburgh supported by The Scottish Informatics and Computer Science Alliance (SICSA) and the Engineering and Physical Sciences Research Council (EPSRC) Digital Economy Theme.  Social and Economic Aspects of Urban Informatics. Keynote speech, May 30, 2018.

4th Conference on Sustainable Urban Mobility – CSUM2018, Skiathos Island, Greece. Exploring social and economic implications of big data for mobility. Keynote speech, May 24, 2018.

University of Leeds, New and Emerging Forms of Data in Policy Making: Transport, Health and Air Quality Management. New Forms of Data and Mobility Analysis. Keynote speech, April 24, 2018.

Joint meeting of the Directors of Methodology and Information Technology, National Statistical agencies of member countries of the European Union and associated countries, and the statistical agency of the European Commission, Eurostat, Luxembourg. Urban Big Data Centre: Key Lessons for Smart Statistics. Keynote speech, Feb 23, 2018.

Georgia Tech, Atlanta, Georgia. Invited speaker on Urban Informatics: Examples, Prospects and Challenges in Planning Future Lecture Series, Oct 20, 2017.

Statistics Netherlands, Heerlen, Netherlands. Invited speaker on Transport Planning and Operations with Big Data in Big Data Matters Towards Smart Statistics workshop. Sept 27, 2017.

Guild of European Research-Intensive Universities, Brussels, Belgium. Panelist and Speaker on Big Data and Urban Informatics, May 10, 2017.

Chinese University of Hong Kong. Emerging Data Sources and Urban Informatics: Examples, Prospects and Challenges. Keynote in Advanced Workshop of Urban Studies and Smart Cities, April 28, 2017.

National Science Foundation Workshop on Acquiring and Sharing Data Within the CMMI Research Community. Invited speaker on Urban Data Infrastructure and Urban Informatics. Also Member of Steering Committee. Feb 5-6, 2017.

Helsinki City Hall, Reboot Helsinki, Tampere and Finland with Big Data. Keynote Speaker. An Overview of the Urban Big Data Center, January 26, 2017.

Big Data Analysis for Transportation Engineering Systems, Indian Institute of Technology, Chennai, India. Indo-US Workshop. Dec 5-6, 2016. Program Committee Member.

University of Cambridge Center for Science and Policy (CSaP) Policy Leaders Fellowship Roundtable on Future of Series. Invited talk on urban analytics and future cities, and to meet CSaP policy fellows. Nov 18, 2016.

Erasmus University Rotterdam, Netherlands. September 16, 2016. Big Data, Urban Informatics and the City. Invited Lecture, Erasmus Paviljoen, Campus Woudestein of Erasmus University.

University of Manchester DACAS Summer School, September 12, 2016. Seeing Cities with Big Data: Emerging Topics in Urban Informatics. Keynote Speaker.

Carnegie Mellon University, Pittsburgh, Sept 6, 2016. Emerging Data Sources and Urban Informatics: Examples, Prospects and Challenges. Invited speaker, Heinz College of Business.

First International Workshop on Big Data Smart Transportation Analytics in Shanghai, China, jointly organized by Purdue University and Tongji University, Shanghai, China, July 16-17, 2016. Unstructured Data for Urban Informatics. Invited speaker and International Advisory Committee member.

U.S. National Academy of Sciences Mapping Science Committee, Washington D.C. Grand Challenges in Smart Cities. April 14, 2016. Keynote Speaker.

European Commission Joint Research Center, Seville, Spain. Invited presentation on Urban Informatics and Transportation Research. NECTAR Cluster 8 Meeting on Big data: a new opportunity for urban transport and mobility policies.

Leibnitz Center for Informatics, Saarland, Germany, Schloss Dagstuhl Seminar on Computational Challenges in Cooperative Intelligent Urban Transport, Feb 28-March 4, 2016. Keynote speaker.

U.S. Comptroller General Forum on 21st Century Data Analytics, jointly organized by U.S. GAO and the National Academies Board on Mathematical Sciences and Their Applications. Future Promises and Benefits of Big Data Economy. Jan 27-28, 2016. Washington DC, Invited attendee and speaker.

Alan Turing Institute. Urban Big Data– Examples, Prospects and Challenges. Invited presentation at the ATI Scoping Workshop, University of Edinburgh, November 30, 2015.

Edinburgh Napier University. Unstructured Data Use in Transportation Research – Examples, Prospects and Challenges. Keynote Lecture in Workshop on Smart Urban Mobility, Nov 27, 2015.

12th PASCAL Observatory Conference Connecting Cities and Universities at Strategic Frontiers, Catania, Sicily. The Future of Cities: Big Data and the Urban Economy. Keynote Speaker, Oct 7, 2015,

Research Data Alliance Sixth Plenary Meeting Paris, France. Data Systems in Urban Big Data Centre. Plenary presentation, Urban Working Group, Sept 24, 2015.

Joint Statistical Meetings, Seattle. Unstructured Social Media Data for Transportation Applications: Benefits and Challenges. Invited presentation in JSM Transportation Special Interest Group’s Session on New Tools for Transportation Statistics, Seattle, Aug. 8-13, 2015.

University of Leeds. Emerging Data Sources and Urban Informatics. Keynote Speaker, Opening Event of Leeds Institute of Data Analytics. July 10, 2015.

Iowa State University, Ames, Iowa. Smart Transportation Planning and Operations. Colloquium Speaker, Department of Civil Engineering. April 27, 2015.

Association of American Geographers.  Frontiers of Research on Urban Informatics. Chair of panel organized by AAG 2015 Symposium on CyberGIS for Fostering New Frontiers of Geographic Research and Education, Chicago, IL, April 2015.

Edinburgh Science Festival. Urban Informatics. Chair of panel and speaker, Edinburgh, April 16, 2015.

University College Dublin, Dublin, Ireland. Big Data for Urban Informatics: Examples from the Glasgow Urban Big Data Centre. Colloquium Speaker, University College Dublin, School of Geography, Planning and Environmental Policy, March 26, 2015.

European Commission Joint Program Initiative Urban Governing Board. Urban Big Data and Smart Cities. Plenary presentation to the full governing board of the EC JPI Urban, London, UK, on March 9, 2015.

American Association for the Advancement of Science (AAAS) Annual Meeting, San Jose. Transport Informatics. Invited panelist and speaker in US Government Accountability Office and UK Parliament Office for Science and Technology joint special session on Social Implications of Big Data in AAAS Annual Meeting, San Jose, Feb. 13, 2015.

High Performance Computing and Big Data Conference (UKHPC), London. Urban Big Data: Addressing the Social, Economic and Environmental Challenges Facing Cities. Plenary Speaker, Annual HPC and Big Data Conference, London, Feb 3, 2015.

Ohio State University, Columbus. Data-driven Modeling for Transportation: Prospects and Challenges. Colloquium Speaker, Ohio State University’s Department of Geography, Columbus, Jan. 16, 2015.

Imperial College, London. Urban Informatics and ICT Entrepreneurship for Data-Driven Public Transport Planning and Operations. Imperial College Centre for Transport Studies (CTS) Seminar Series, London, Nov. 19, 2014.

Holyrood, Parliament of the Government of Scotland. The Science of Running Smart Cities. Keynote speaker, Scottish Parliament, Edinburgh, Nov 12, 2014.

UK Research Council’s Economic and Social Research Council. Urban Big Data Centre – Research, Data Service and Data Products. Speaker and Panelist in ESRC’s Urban Big Data Network Launch. Westminster Annex, London, October 15, 2014.

University of Edinburgh. Transportation Policy Applications using Confidential Data Linkage. Invited Presentation in University of Edinburgh’s Administrative Data Research Centre Annual Retreat, October 2, 2014.

National Science Foundation-sponsored Workshop on Big Data and Urban Informatics, University of Illinois at Chicago. Big Data and Urban Informatics. Opening Plenary Presentation. August 11, 2014.

Royal Academy of Engineering, London. Urban Informatics: Social and Behavioral Modeling of Transportation. Invited Presentation in IBM Big Data Analytics Workshop, March 12, 2014.

Transportation Research Board Annual Conference, Washington, DC. Urban Digital Infomediaries in an Era of Big Data and Open Data Initiatives. Opening presentation in Workshop on Big Data and Open Data, January 12, 2014.

King’s College, London. Does Better Data Help Solve Problems? Invited presentation in New Limits of Growth Series, October 4, 2013.

National Science Foundation-sponsored Workshop on Big Data and Urban Informatics, University of Illinois at Chicago. Big Data and Urban Informatics: e-Infrastructure for Urban Social Science Research. Opening presentation, March 28, 2013.

Transportation Research Board Annual Conference, Washington DC. Big Data Informatics: Innovations in Mining Structured and Unstructured Information for Mobility Decision-Making. Opening presentation in Workshop on Big Data Informatics, January 2013.

National Institute of Informatics, Shonan Village Center, Kanagawa, Japan. Transportation in a Connected and Ubiquitous Sensing Environment: Challenges and Opportunities. Invited presentation in Social Issues in Computing for Transportation workshop, Dec 20, 2012.

Illinois Institute of Technology-Chicago Kent College of Law. Sensors and Analytics: Mobility Technologies and Locational Privacy Implications. Invited speaker and panel discussant in Under Watchful Eyes: The Technologies that Track on Oct. 5 2012.

University of Glasgow, UK. Smart and Sustainable Transportation Systems. Invited colloquium on March 14, 2012.

National Science Foundation (NSF) CyberGIS Workshop. Geospatial Interoperability, Semantics, and Representation. Panel co-chair, Oak Ridge National Labs, Oak Ridge, TN on Sept. 29, 2011.

Transportation Research Board Annual Conference, Washington, DC. Workshop on Pervasive Data in Transportation. Panel co-chair on January 23, 2011.

Research and Innovative Technology Administration, U. S. Department of Transportation, Washington, DC. Cooperative Data Sharing: Issues and Challenges. Invited presentation in Workshop on the IntelliDriveSM Program on April 28, 2010.

Leibniz Center for Informatics, Dagstuhl, Germany. Humans, Society and the Economy in the Context of Computational Transportation Science. Invited attendance and presentation in Workshop on Computational Transportation Science on March 25, 2010.

Panel on Technology and Innovations held by U.S. House of Representatives Chair Jim Oberstar and Congressman Daniel Lipinski, Chicago. Intelligent Transportation Systems Research Needs. Invited presentation on March 5, 2010.

Ministry of Urban Development, Government of India, New Delhi, India and Institute of Urban Transportation, India. Collaborative, Content-Rich Intelligent Transportation Systems for Urban Transport. Invited presentation on Dec, 4, 2009.

University of Illinois at Chicago Supply Chain Management and Freight Transportation Symposium Panel. Transportation Reauthorization: The University Perspective. Invited presentation and panel discussant on Nov. 19, 2009.

National Conference on Smart Transportation, Brisbane, Australia. Smart Transportation and Computational Transportation Science. Specially invited international guest and keynote workshop presenter on April 22, 2009.

ITS World Congress Special Session, New York, NY. Industry-University R&D Collaboration on Intelligent Transportation Systems. Panel leader of faculty and researchers from USA, Australia and Europe on November 18, 2008.

Chicago Metropolitan Agency for Planning, Chicago, IL. Economic Benefit Estimation of Employment Transportation Services. Invited speaker, November 14, 2008.

North American Travel Monitoring Exposition and Conference, Washington, D.C. Private Sector Data Sharing Agreements. Panel leader on August 8, 2008.

University of Tennessee, Knoxville, TN, Department of Civil Engineering and Center for Transportation Research. Interdisciplinary Transportation Research – Challenges and Opportunities in Use-Inspired Research, Education and Services. Invited seminar on July 14, 2008.

U.S. House of Representatives Committee on Transportation and Infrastructure (Congressmen James Oberstar and Daniel Lipinski.) Freight Congestion and Employment Transportation in the Chicago Metropolitan Area. Testimony on June 17, 2008.

National Resource Center for Human Service Transportation Coordination. Human Service Transportation Plans: State of the Practice. Invited speaker in seminar held in the U.S. Department of Transportation Conference Center on Jan. 17, 2008.

Tongji University, College of Architecture and Urban Planning, Shanghai, China. Mobility and Accessibility for the Urban Poor: Policies, Analysis and Implementation Strategies. Invited colloquium on October 8, 2007.

ITS World Congress Special Session, Beijing, China. ITS and Higher Education. Panel leader of faculty and researchers from Australia, Europe, Japan, China and Canada. October 13, 2007.

ITS World Congress Special Session, Beijing, China. IGERT: A Doctoral Program in Computational Transportation Science. Invited presentation made in Special Session on ITS and Higher Education. In the Intelligent Transportation Systems World Congress, Beijing, China, on October 13, 2007.

Joint Census Bureau and Brookings Institute Workshop on Local Employment Dynamics (in Brookings Institute, Washington, D.C.) LEHD: Potential for Transportation Planning and Programming. Invited presentation on Feb. 1, 2007.

Federal Transit Administration, U.S. DOT, Washington, D.C. National Longitudinal Travel Data. Invited presentation on Feb. 1, 2007.

University of Michigan, Ann Arbor, Center for Complex Systems. Modeling Accessibility and Equity: The Indian Context. Invited presentation on November 17, 2006.

NAVTEQ, LLC, Chicago, IL. Design of a Prototype Travel Time Information System for Dynamic Content Dissemination and Management. Invited speaker, October 25, 2006.

Global Foundation for Democracy and Development (FUNGLODE), Santo Domingo, Dominican Republic. Planning, Urban Transportation Systems: Land-Use, Economic Development and Sustainability Interactions. Invited colloquium on May 27, 2006.

Government of Dominican Republic, Santo Domingo, Dominican Republic. Urban Transportation Systems: Issues and Analysis. Invited colloquium on May 26, 2006.

Federal Reserve Bank of Chicago and Illinois Welfare Policy Symposium. Transportation for Low-Income Employment and Discretionary Trips. Review of Recent Trends. Panelist in Illinois Welfare Policy Symposium on May 24, 2006.

School of Planning and Architecture, New Delhi, India. Elements of the U.S. Regional Transportation Planning Process: Overview of the Chicago Area Transportation Plan. Invited colloquium on December 6, 2004.

Community Transportation Association of America Expo, Seattle, WA. Partnerships for Low-Income Worker Transportation. Invited speaker, July 2004.

Northwestern University, Transportation Center, Evanston, IL. Accessibility for Low-Income Workers. Needs Assessment, Trends and Evaluation. Invited speaker in Northwestern University Transportation Center Seminar Series on Dec. 4, 2003.

Community Transportation Association of America Expo, Philadelphia, PA. Low-Income Worker Accessibility: Survey of JARC-Funded Transit in 23 Sites. Invited speaker, June, 2003.

U.S. Senate Committee on Environment and Public Works (Senator James Inhofe). Illinois Transportation: The Crossroads of Our Nation. Testimony on April 7, 2003.

Interpreting Neighborhood Change, Voorhees Center, Chicago. Spatial Accessibility to Economic Opportunities: Concepts, Measurement and Implications for Low-income Populations. Invited speaker, April 4, 2003.

United States Department of Transportation, Bureau of Transportation Statistics. Data Linkage Issues: Some Considerations and Applications. Invited speaker, June 11, 2002.

World Bank, Inter-American Development Bank, Washington, DC., International Symposium on Intelligent Transportation Systems in Emerging Nations hosted by ITS America, ITS and Planning in Emerging Markets. Invited speaker on May 2, 2002.

University of Illinois at Urbana-Champaign, IL, GIS Colloquium Series hosted by the Departments of Planning and Geography. Access to Economic Opportunities. Policy and Methodological Issues. Invited speaker, February, 2000.

University of Wisconsin. Transportation Systems. Planning to Make It Take Us Where We Want To Go. Invited speaker in the University of Wisconsin Spring College Program. April, 2000.

Northwestern University/University of Chicago. Joint Center for Poverty Research. Invited presentation as member of a panel on Transportation and Welfare Reform. December 15, 1998.

University of Illinois at Chicago. Department of Mathematics, Statistics and Computer Science. Estimation of Travel Times on Arterial Street Networks. Invited colloquium. April 4, 1998.

Transportation Research Board Annual Conference, Washington D.C. Welfare Reform and Women’s Travel Needs. Invited presentation, Panel on Transportation and Welfare Reform. January, 1998.

Massachusetts Institute of Technology, Cambridge, MA. Quality of Route Guidance in Probe-based Advanced Traveler Information Systems. Invited colloquium in the Department of Civil and Environmental Engineering. May 1995.

University of Florida, Gainesville, FL. Transportation Planning and Intelligent Vehicle Highway Systems. Invited colloquium in the School of Planning and Architecture. April 1994.

Indian Institute of Technology, New Delhi, India. Implementation of a Dynamic Route Guidance System: Issues and Considerations. Invited colloquium. December 1992.