Meet the Experts

Find experts across Johns Hopkins involved in research and teaching related to environment, energy, sustainability and/or health. The following list is organized by the expert's last name. You can also search by area of expertise.

Learn more about the support E²SHI provides to Hopkins faculty, staff researcher or instructors.


Brian Schwartz

Professor, Dept of Environmental Health and Engineering
Co-director, Program on Global Sustainability & Health
Co-director, Environmental Health Institute
Bloomberg School of Public Health

bschwar1@jhu.eduFaculty Website

Research Areas:
  • Built environment & health
  • Environmental epidemiology
  • Health effects of climate change and energy scarcity
  • Health effects of Marcellus shale production & abandoned coal mines
Keywords: Environmental health, Global environmental sustainability, Climate and health

Sauleh Siddiqui

Assistant Professor, Dept of Civil Engineering
Whiting School of Engineering

siddiqui@jhu.eduFaculty Website

Research Areas:
  • Develop game theory and optimization models for global natural gas and environmental markets.
  • Examine decision making under uncertainty with energy and infrastructure applications.

E²SHI-Supported Projects

Making Baltimore bicycle friendly through a public health and systems engineering analysis

Keywords: Civil engineering, Systems engineering, Transportation, Energy markets

Sara Thoi

Assistant Professor, Department of Chemistry
Krieger School of Arts and Sciences

sarathoi@jhu.eduFaculty Website

Research Areas:
  • Porous materials and catalysis for environmental and energy applications.
  • Developing molecular solids such as metal organic frameworks for battery electrodes and electrolytes and using carbon nanofoams as scaffolds for photo- and electrocatalysis.
  • Developing earth-abundant molecular catalysts for small molecule activation in energy-relevant reactions.
Keywords: Chemical engineering, Energy storage

Susanna Thon

E²SHI Executive Committee member
Assistant Professor, Dept of Electrical and Computer Engineering
Whiting School of Engineering

susanna.thon@jhu.eduFaculty Website

Research Areas:
  • Nanomaterials engineering for optoelectronic devices with a focus on renewable energy conversion and storage.
  • Applying techniques from nanophotonics and scalable fabrication to produce devices and materials with novel optical and electrical functionality. 
  • Flexible photovoltaics, sustainably fabricating energy materials, and photocatalysis.

E²SHI-Supported Projects

Development and characterization of inexpensive, earth-abundant materials for efficient photocatalyzed synthesis.

Keywords: Renewable energy, Nanomaterials

Daniel Zachary

Program Director and Senior Lecturer, Energy Policy and Climate Program
Krieger School of Arts and Sciences Advanced Academic Programs

d.s.zachary@jhu.eduFaculty Website

Research Areas:
  • Integrated assessment (IA) modeling – energy infrastructure and air quality models: building coupled (meta-models) and using them to better understand the built environment, including: projecting urban/regional energy infrastructure growth and subsequent air pollution and human impact to inform policy support measures. 
  • Smart grid applications in terms of long-term policy analysis. 
  • Statistical techniques to expand urban IA models to study regional and global energy systems with their subsequent pollution impact.
Keywords: Air pollution, Energy infrastructure, Smart grid, Urban sustainability

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Your grandchildren will likely find it incredible - or even sinful - that you burned up a gallon of gasoline to fetch a pack of cigarettes!
— Paul MacCready, Jr.