research group

current members

ramteen sioshansi is a professor in Department of Integrated Systems Engineering and Department of Electrical and Computer Engineering and an associate research fellow at the Center for Automotive Research. He has earned degrees from University of California, Berkeley and London School of Economics and Political Economics. His Ph.D. in industrial engineering and operations research focused on the design and analysis of restructured wholesale electricity markets. A brief stint as a postdoctoral research fellow at National Renewable Energy Laboratory resulted in a career detour, since he focuses now on analyzing technical and economic impacts of integrating alternative energy technologies into power systems. This includes analysis of renewables, energy storage, and electromobility. He enjoys dabbling in electricity market design and policy from time to time. He’s as fun and good-natured as the photo to the right suggests. Sioshansi
hüseyin bahtiyar is a Ph.D. candidate. He received his M.S. in industrial and systems engineering from University of Florida. In addition, he holds B.S. degrees in industrial engineering and computer engineering from Selçuk Üniversitesi and a B.A. in business administration from Anadolu Üniversitesi. He is working currently on the impact of electric-vehicle batteries on residential electricity-supply resilience and a highly resolved modeling approach to estimating vehicle and electrical-appliance adoption. His research interests include renewable-energy integration, electricity markets, optimization, and data mining. Bahtiyar
weiying gu is a Ph.D. student in Department of Integrated Systems Engineering at The Ohio State University. She received her M.S in electrical and computer engineering from The Ohio State University in 2020. Her research focuses on power markets, optimization, and renewable energy. She has two adorable cats and loves traveling and cooking. Gu
yunjing guo is a Ph.D. student in Department of Integrated Systems Engineering. He holds a B.A. in electrical engineering and automation from China Agricultural University and an M.S. in electrical and computer engineering from The Ohio State University. His research interests are in the optimization of power system and integrated energy systems. He likes drama, music, and photography and is learning to box. Guo
rachel hunter-rinderle is an M.S. student in industrial and systems engineering at The Ohio State University. She is focusing in operations research. She graduated with her B.S. in industrial and systems engineering from The Ohio State University in May 2020. Rachel’s research is focused on modeling resiliency in residential energy systems. Rachel has worked on scheduling optimization at the US Postal Service and dynamic space allocation at Procter & Gamble. She will be joining the Supply Chain Data Science team at Procter & Gamble in Cincinnati full-time after graduation in May 2021. Hunter-Rinderle
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yuzhou jiang is a Ph.D. student. He received an M.S. in operations research and supply chain management from Case Western Reserve University and a B.S. in economics from Beijing Institute of Technology. His research focuses on modeling and analysis of energy storage, decomposition techniques for solving bi-level problems, and game theory. His research interests include energy storage, optimization, and game theory. He likes traveling and spending time with his strictly indoor cat—sadly he cannot do both simultaneously. Jiang
hyeong jun kim is a Ph.D. candidate. He received an M.S. in industrial and systems engineering from The Ohio State University in December, 2016, and a B.S. in industrial engineering from Hanyang University, South Korea. He is working currently on energy-storage operational models. His research interests include optimization, energy storage, energy-market analysis, and game theory. He enjoys reading newspapers, traveling, and playing the violin. Kim
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mahan mansouri is a Ph.D. candidate. He has a M.Sc. in electrical engineering from The Ohio State University, with a focus on power-system engineering. His current research examines strategies to mitigate and manage uncertainty cost of wind generation in power systems. His research interests include electricity-market analysis, demand management for ancillary services, generation-fleet optimization, and economic impacts of emerging technologies on power systems. Mansouri
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gone but not forgotten

josué barrera santana worked in the group as a visiting Ph.D. student during 2019. He holds a B.E. in naval radioelectronics and an M.S. in renewable energy, both from Universidad de La Laguna. In addition, he holds an M.S. in big data and business intelligence from Spanish School of Industrial Organization and other profesional certifications, such as innovation consultant, research-project manager, and data scientist. His academic interests include developing and applying optimization, simulation, statistics, and machine-learning techniques to address challenges in the areas of renewable-energy development, energy storage, electric vehicles, energy consumption, and long-term energy planning. His Ph.D. work focuses on the development of an optimization framework to provide capacity- and transmission-expansion models for island power systems. He is currently a research scientist and energy planner at Canary Islands Institute of Technology. Barrera Santana
shubhrajit bhattacharjee is a Ph.D. candidate at University of Calgary and is a former visiting scholar in the research group. He received an M.Sc. degree in electrical engineering from University of Calgary with a focus on radio-frequency-distortion mitigation and a B.E degree in electronics and telecommunication from University of Pune, India. His research interests include integration of hybrid energy storage resources and applications of statistical learning and optimization to operations and planning of grid-scale resources. He is working currently as an energy market engineer at New York Independent System Operator, where he develops prototypes for new market solutions and manages synchrophasor technology and its applications. Shubhrajit enjoys traveling, tasting different cuisines, and can play tabla (hand drums) if so required. Bhattacharjee
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ben chaiken received his Ph.D. in operations research from The Ohio State University in 2021. He holds a B.A. in economics, with a minor in philosophy, from University of Chicago. His research interests are in mechanism design and market analysis, game theory, and combinatorial optimization. He is a classical guitarist and enjoys (among other things) hiking, playing tennis, science fiction, and the philosophy of Soren Kierkegaard. He is currently a member of the research group at Parametric in Seattle, Washington, where he works on portfolio-optimization algorithms. Chaiken
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joseph e. duggan, jr. earned a Ph.D. in Economics in 2018. He holds also a B.A. in economics and mathematics from Boston College and an M.S. in operations research and an M.A. in economics from The Ohio State University. His research interests focus on market design and regulation, power system economics, applied game theory, and auctions and mechanism design. His current work focuses on equilibrium modeling of energy-market competition, particularly how different wholesale electricity market designs may hinder or sustain anticompetitive practices. He is a devoted advocate of unusually large cat and dog breeds and is, to his limited knowledge, the only person to be simultaneously both a member of INFORMS and the International Cryptozoology Society. He is currently an assistant professor of economics at University of Dayton as well as a Sustainability Scholar at University of Dayton’s Hanley Sustainability Institute. Duggan
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xiaoli liu is a part-time Ph.D student in the group who earned her M.S. and B.S. in industrial and systems engineering from The Ohio State University. She works currently as a technical project manager for J.P Morgan Chase. Liu
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yixian liu worked in the group from 2012 to 2016 and earned a Ph.D. in 2016. She also has a B.E. in logistics engineering from Tianjin University and an M.S. in industrial and systems engineering from The Ohio State University. Her academic interests include forecasting, optimization, decision science, and game theory. She enjoyed her Ph.D. work by focusing on weather forecasting, electricity capacity investment, and pricing. She also has a love of traveling, drawing, and food. She is working currently as a research scientist at Amazon. Liu
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chundi luo transferred to The Ohio State University from Sichuan University in 2018, and got dual degrees from both universities in 2020. Recently, she finished her M.Phil. in industrial systems manufacturing and management and now is studying towards a Ph.D. in engineering at University of Cambridge. Her research focus is on business ecosystems of electric vehicles in China. She has played the piano for more than seventeen years and studied Latin and jazz dance. Her biggest hobbies are the study of ancient Chinese history (which could be regarded as another research interest) and writing historical novels. Luo
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seyed hossein madaeni earned a Ph.D. while working in the group. He holds also B.S. and M.S. degrees in electrical engineering from University of Tehran. His research focuses on electricity-market design and mechanisms, renewable-energy analysis, and power-system operations. After graduating, he worked in Short Term Electric Supply and Market Design and Integration Departments at Pacific Gas and Electric Company, Grid Engineering Solutions at SolarCity, Grid Services at Tesla Energy, and as chief executive officer of AMS. He currently is chief digital officer at Fluence. Madaeni
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danielle morey is a recent graduate of The Ohio State University. During her time earning her B.S. in industrial and systems engineering, she worked as an undergraduate researcher, exploring the effects of vertical integration on natural gas and electricity markets. She is now in Seattle earning her Ph.D. at University of Washington with a research focus in network topology optimization and global optimization. Outside of academics, Danielle is highly involved in competitive ballroom dancing. Morey
ali shah mohammadi is an electrical engineering Ph.D. graduate from University of Tehran and is a former visiting scholar in the research group. He received the M.Sc. degree with first-class honor and the B.Sc. degree with second-class honor in electrical engineering from Shahid Beheshti University. His research interests include electricity-market restructuring, integration of renewable energy into power systems, energy management and smart grids, and the application of optimization theory to the operation and planning of power systems. Shah Mohammadi
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sushant varghese worked in the group as an undergraduate research intern during the summer of 2018. He is currently a Ph.D. student in Department of Industrial and Manufacturing Engineering at Pennsylvania State University. He has a B.Tech. in industrial engineering with a minor in economics from National Institute of Technology, Tiruchirappalli, India. His current research focuses on the value of flexibility in electricity markets. His broader research interests are in applied operations research, specifically with applications to optimization of power systems and networks under uncertainty. He is going broke slowly thanks to his passion for cars. Varghese
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fei wu worked in the group from 2013 to 2016 and earned a Ph.D. in 2016. He received an M.S. in industrial and systems engineering from The Ohio State University and a B.E. in industrial engineering from Tongji University. His doctoral dissertation focuses on the design of charging networks for plug-in electric vehicle and charging-control strategies. His academic research interests include large-scale optimization, non-linear optimization, and optimization under uncertainty. He is also interested in applying optimization to transportation networks, power system, and natural gas pipeline networks. Currently he works as an Operations Research Scientist at Cainiao Network at Hangzhou China. Wu
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xiaomin ‘josh’ xi worked in the group as a Ph.D. student and as a postdoctoral researcher. He holds a B.E. in industrial engineering and logistics management from Shanghai Jiao Tong University. After working as postdoctoral researcher, he worked as a research scientist in Operations Research Lab at General Motors R&D Center. He is currently a research scientist at Lyft. His research interests include developing and applying optimization, simulation, statistics, and machine-learning techniques to address challenges in the areas of transportation, urban mobility, and energy. During his leisure time, Josh enjoys traveling, hiking, outdoor adventures, and volleyball. Xi
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kenjiro yagi earned a Ph.D. in industrial and systems engineering from The Ohio State University in 2020. He received a B.Eng. and an M.Eng. from Tohoku University, Japan. He holds also a professional (mechanical) engineer certificate from Japan’s government. His Ph.D. work focused on operational modeling of electricity-generation systems with energy storage, electricity-market modeling, and solving large-scale power-system-expansion problems using decomposition techniques. He is working currently at Tokushu Tokai Paper, trying to optimize energy use within the industrial sector by applying methods that he learned in the group. Yagi
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bining zhao worked in the group from 2015 to 2018 and earned a Ph.D. in electrical and computer engineering in 2018. In addition, she holds a B.E. in electrical engineering from North China Electric Power University and an M.S. in electrical and computer engineering from The Ohio State University. Her doctoral dissertation focuses on the operation and expansion planning of integrated electric-power and natural-gas systems. Her academic interests include energy-system analysis, electricity-market modeling, optimization, and game theory. She has a love of reading, playing the piano, and food. She is working currently as a postdoctoral research fellow at Pennsylvania State University. Zhao
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