Principal Investigator

H. Oliver Gao

Professor
Cornell University
School of Civil and Environmental Engineering

Center Director, Center for Transportation, Environment and Community Health (CTECH)

hg55@cornell.edu

Post Docs

Hamid R. Sayarshad

Research: Demand analysis, freight transportation and logistics, multimodal networks, dynamic optimization models, machine learning, transport economics, and urban logistics.

M.S./Ph.D. Students

Yuechen (Sophia) Liu, Ph.D.

Concentration: Transportation Systems Engineering

Past members

Post Docs

• Jinhyok Heo
  Mar 2015—Jul. 2017
  Research: Public health impacts and accounting of PM_2.5 pollution
• Omid Rouhani
  Feb 2013—Dec. 2015
  Research: Social welfare analysis of alternative investment public-private partnership approaches
  Current employment: Assistant Professor, Department of Civil Engineering and Applied Mechanics, McGill University
• Yiannis Kamarianakis
  October 2008-August 2010
  Research: Nonlinear models for transient vehicular emissions prediction
  Current employment: Assistant Professor, School of Mathematics & Statistical Sciences, Arizona State University
• Yilin Liu
  August 2008-August 2010
  Research: Longitudinal data analysis and modeling of vehicle emissions deterioration
  Current employment: Vice Present, Credit Card Information Management, China Minsheng Banking Corp.ltd, Financial Services
• Darrell Sonntag
  January 2010- August 2010
  Research: Air quality and energy impacts of NYSDOT highway ROW management
  Current employment: Office of Transportation and Air Quality (OTAQ), US EPA

Ph.D.s

• Yan Deng
  M.S./PhD, entered fall 2013; Ph.D. graduated summer 2018. Concentration: Transportation Systems Engineering; Minor: Operations Research.
  Thesis: Asset Investment and Portfolio Management of Sustainable Infrastructure Systems: Optimization and Real-Options Approaches
  Current employment: Putnam Investments
• Zhen Tan
  Ph.D., entered fall 2013; graduated May. 2018.
  Concentration: Transportation Systems Engineering; Minor: Applied Mathematics; Operations Research.
• Bingyan (Brian) Huang
  M.S./PhD, entered fall 2011; Ph.D. graduated summer 2016. Concentration: Transportation Systems Engineering; Minor: Computational Math; Operations Research.
  Thesis: A hierarchical multi-stakeholder principal-agent model for (anti-) corruption in public infrastructure procurement
  Current employment: China International Capital Corporation Limited
• Xi (Alex) He
  Ph.D., entered fall 2011; graduated Jan. 2016.
  Concentration: Transportation Systems Engineering; Minor: Applied Economics; Operations Research.
  Thesis: Bilateral interactions in two-sided networks—a perspective from matching theory
  Current employment: Credit Suisse
• Xun (Richard) Wang
  M.S./Ph.D., entered fall 2008; Ph.D. graduated summer 2013.
  Concentration: Transportation Systems Engineering; Minor: Statistics; Operations Research.
  Thesis: Bayesian ranking and selection models for discrete network design problems with uncertainties and multiple environmental objectives.
  Current employment: Quantitative Modeler, Sentrana (builds, develops, and maintains the underlying mathematical models which drive Sentrana’s Precision Sales & Marketing Cloud)
• Timon Stasko
  M.S./Ph.D., entered spring 2007; graduated with Ph.D.summer 2011.
  US EPA STAR Fellow
  Concentration: Transportation Systems Engineering; Minor: Environmental Economics; Systems Engineering.
  Thesis: Mathematical modeling for optimization in green fleet management.
  Current employment: Acting Manager, Operations Research at State of NY Metropolitan Transportation Authority (MTA)
• Darrell Sonntag
  M.S./Ph.D., entered fall 2005; graduated with Ph.D. in 12/2009.
  Concentration: Transportation Systems Engineering; Minor: Statistics; Air Quality.
  Thesis: Statistical modeling of diesel PM number emissions.
  AAAS Fellow, General Engineer, Office of Transportation and Air Quality (OTAQ), EPA

M.S.

• Jingrong (Norah) Yu
  Graduated 12/2018
  Thesis: Considering Financial and Environmental Factors in Airport Efficiency Measurement: A Network DEA Analysis for U.S. Airports.
  Current employment: Amadeus IT Group
• Qiaoyu (Evelyn) Yang
  Graduated 8/2018
  Thesis: Optimal Allocation Algorithm for Sequential Resource Allocation in the Context of  Food Banks Operation.
• Lan Shi
  Graduated 8/2016
  Thesis: Speed control of oceon-going containerships considering vessel emissions reduction balanced with carrier cost minimization.
  Current employment: Environmental consulting
• Jun (Eric) Wang
  Graduated summer 2016
  Thesis: Equity, Preference and Acceptance of the Car Ownership Policy in Guangzhou, China.
• Zixu Zhou
  Graduated 12/2016
  Thesis: Congestion pricing and its impacts on transportation emissions in NYC
  Current employment: Cornell
• Russel Winnas
  Graduated 8/2011
  Thesis: Air quality impact assessment of Diesel Engine Retrofitting and Replacement in New York State
  Current employment: Senior Engineer, AIR Worldwide
• Rachel Klein
  Graduated 5/2008
  Thesis: Statistical modeling of equity and environmental justice in clean air school bus programs.
  Current employment: Booz Allen Hamilton.
• Katabarwa Asaba
  Graduated 5/2008
  Thesis: Sustainable transportation in East Africa: accessibility to public transit in East African Cities.
  Current: Director — Road and Waterway Transport, Rwanda Utilities Regulatory Agency.