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Josiah Hester, PhD

McCormick School of Engineering and Applied Science

Assistant Professor of Electrical and Computer Engineering
Assistant Professor of Computer Science


Areas of Focus

  • Battery-free smart devices
  • Energy harvesting
  • Wearable devices for mobile health
  • Sustainable approaches to the Internet-of-Things
  • Smart devices cybersecurity


  • Developing new approaches, hardware, interfaces, algorithms, and tools that enable development and deployment of batteryless, energy harvesting, and ultra long lived smart devices.
  • Understanding and evaluating novel sensing approaches coupled with machine learning to tease out personal health in over the long-term.
  • Developing new computing methodologies that support a sustainable Internet-of-Things.