Benjamin F. Hobbs - Professor
Theodore M. and Kay W. Schad Professor in Environmental Management Dept. Environmental Health and Engineering
Joint Appointment in Applied Mathematics & Statistics
Director, JHU Environment, Energy, Sustainability & Health Institute

Ph.D. 1983, Cornell University, School of Civil & Environmental Engineering
M.S. 1978, State University of New York, Syracuse
B.S. 1976, South Dakota State University
1972-1974, Prescott Colleges

Research Areas
stochastic electric power planning models
multiobjective and risk analysis
mathematical programming models of imperfect energy markets
environmental and energy systems analysis and economics
ecosystem management

Professional Activities & Honors
Editorial Boards: Competition & Regulation in Network Industries; Economics of Energy & Environmental Policy; The Electricity Journal; EnergyEnergy Economics; EURO Journal on Decision Processes; IEEE Transactions on Power Systems; J. Energy Markets; J. Energy Engineering (ASCE)
Fellow: IEEE and INFORMS
:CAISO Market Surveillance Committee(Chair), Gas Technology Institute Public Interest Advisory Committee
Scientific Advisor, Policy Studies Division, Energieonderzoek Centrum Nederlands

Guest Professor, School of Electrical Engineering, Southeast University, Nanjing, 2013
Overseas Fellow, Churchill College, Cambridge, 2009-10
Associate Researcher, University of Cambridge, Electricity Policy Research Group

Best Paper Awards: ASCE Water Resources Planning & Management Div. (1990); INFORMS Decision Analysis Society (2004); INFORMS Energy, Natural Resources & Environnment Section (2004, 2007)

Dr. Hobbs has been in the Department of Geography & Environmental Engineering since 1995. He also holds a joint appointment in the Department of Applied Mathematics & Statistics, and directs the JHU Environment, Energy, Sustainability & Health Institute. Previously, he was at Brookhaven and Oak Ridge National Laboratories and a member of the Systems Engineering and Civil Engineering faculty at Case Western Reserve University. Dr. Hobbs has held visiting appointments at the Helsinki University of Technology, University of Washington, the Netherlands Energy Research Center, and the Electricity Policy Research Group at Cambridge University. Previously, he has been a Professor of Systems Engineering & Civil Engineering at Case Western Reserve University, Wigner Fellow at Oak Ridge National Laboratory, and an Economics Associate at Brookhaven National Laboratory.



Qingyu Xu - Ph.D. Student

M.S. Environmental Engieering, Johns Hopkins University, 2015
         Concentration: Environmental Management and Economics
B.S. Ecology, Sun Yat-Sen University, Guangzhou, China, 2013

Research Areas
Large-scale generation-transmission cooptimization
Electricity market
Energy economics


Brent Eldridge - Ph.D. Student

M.S. Industrial Engineering and Operations Research, University of California, Berkeley
B.S. Industrial Engineering, Texas A&M University

Research Areas
Electricity markets
Reactive power supply
Optimal power flow
Optimization and mathematical modeling

More research details
Brent Eldridge

Pengcheng Ding - Ph.D. Student

Master of Renewable Energy Science and Technology, École Polytechnique, Palaiseau
B.S. Physics, Nanjing University, Nanjing, China

Research Areas
Power and energy systems
Energy and environmental policy
Generation and transmission planning


Puneet Chitkara – Post-doctoral Fellow

Academic Experience
Assistant Professor, Indian Institute of Technology (IIT) Kanpur, 2000-2002
Associate Professor, TERI University, 2004-2007
Senior Research Associate, University of Hong Kong, 2007-2008

KPMG, 2014-2019
Mercados Energy Markets India, 2008-2014
India Pension Research Foundation, 2004
ICRA Advisory Services, 2003
Central Electricity Regulatory Commission, 1998-1999

Research Areas
Regulatory Economics
Economic and Technology Policy Formulation and Analysis
Litigation Support
Mathematical Modelling: Optimization, Forecasting, Analytics


Micajah Z. McGarity - Ph.D Student

Operations Research Analyst at the Johns Hopkins University Applied Physics Laboratory

M.S.E. Geography and Environmental Engineering, Johns Hopkins University
B.S. Industrial Engineering, Georgia Institute of Technology

Research Areas
Multi-objective optimization
Health predictive analytics
Disease modeling
Watershed management


Rui Shi - Ph.D Student

M.S. Sustainable Systems, University of Michigan, Ann Arbor
Certificate of Graduate Studies, Data Science, University of Michigan, Ann Arbor
B.S. Environmental Science, Nanjing University
B.A. Finance, Nanjing University

Research Areas
Climate change risk management
Robust decision making analysis
Energy and environmental policy
Statistical learning and data mining

Rui Shi

Shen Wang - Ph.D. Student

M.S.E. Environmental Managment & Economics, Johns Hopkins University
M.S. Environmental Engineering, Peking University, Beijing, China
B.E. Environmental Engineering, Xi'an University of Architecture & Technology, Xi'an, China

Research Areas
Energy economics
Energy and environmetal policy
Generation and transmission planning
Energy systems modeling

LinkedIn: Shen Wang