People

Co-Directors

portrait of David Brooks

David Brooks

Co-Director

Haley Family Professor of Computer Science, Harvard University His research focuses on energy-efficient computer architectures, developing thermal and power models that enable designers to evaluate efficiency trade-offs early in the design process. His group has built widely adopted tools for processor power estimation.

portrait of Benjamin C. Lee

Benjamin Lee

Co-Director

Professor of ESE and CIS, University of Pennsylvania His research focuses on computer architecture, datacenter systems, and environmental sustainability, developing analytical frameworks that connect hardware design decisions to energy consumption and carbon emissions at scale.


Principal Investigators (alphabetical)

portrait of Udit Gupta

Udit Gupta

PI

Assistant Professor of ECE, Cornell Tech His research co-designs solutions across the computing stack to improve the sustainability of emerging technologies. He led characterization of industry-scale AI recommendation models and developed benchmarks now standardized in MLPerf.

portrait of Gage Hills

Gage Hills

PI

Assistant Professor of EE, Harvard University He leads the Nano-Design Research Group, developing energy-efficient computing systems by co-optimizing across nanomaterials, devices, circuits, and heterogeneous integration. His work on carbon nanotube processors demonstrated how emerging technologies can reduce embodied environmental costs.

portrait of Vincent Liu

Vincent Liu

PI

Associate Professor of CIS, University of Pennsylvania He directs the Distributed Systems Laboratory. His research spans distributed systems, programmable networks, and datacenter architecture, with a focus on building fault-tolerant and resource-efficient systems.

portrait of Linh Phan

Linh Phan

PI

Professor of CIS, University of Pennsylvania Her research focuses on real-time systems, cyber-physical systems, and distributed systems, developing scheduling and verification techniques that guarantee timing and safety properties in embedded platforms.

portrait of Benjamin Pierce

Benjamin Pierce

PI

Henry Salvatori Professor of CIS, University of Pennsylvania His research spans programming languages, type systems, formal verification, and differential privacy. He is the author of the widely used textbooks Types and Programming Languages and Software Foundations.

portrait of Christopher Stewart

Christopher Stewart

PI

Professor of CSE, Ohio State University He leads the ReROUT Lab. His research focuses on performance modeling, resource management, and sustainable computing for distributed systems. He was the founding Chief Editor of the IEEE Sustainable Computing Register.

portrait of Emma Strubell

Emma Strubell

PI

Raj Reddy Assistant Professor, Carnegie Mellon University Her research focuses on computationally efficient NLP and sustainable AI, quantifying the energy and carbon costs of training large language models and developing methods to reduce them. Her work has shaped how the AI community reports environmental impact.

portrait of Arthur van Benthem

Arthur van Benthem

PI

Professor of Business Economics & Public Policy, Wharton He is Co-Director of the Wharton Climate Center. His research studies how environmental policies interact with energy markets, analyzing unintended consequences such as rebound effects and carbon leakage.

portrait of Gu-Yeon Wei

Gu-Yeon Wei

PI

Robert and Suzanne Case Professor of EE and CS, Harvard University His research spans VLSI circuits, power electronics, and accelerator-centric architectures, developing fine-grained power management techniques that maximize energy efficiency across the hardware stack.

portrait of Adam Wierman

Adam Wierman

PI

Carl F Braun Professor of CMS, California Institute of Technology His research develops mathematical tools in machine learning, optimization, and control theory to design sustainable networked systems. His algorithms for carbon-aware datacenter scheduling have seen significant industry adoption.

portrait of Yuan Yao

Yuan Yao

PI

Associate Professor of Industrial Ecology, Yale University Her research quantifies the environmental impacts of emerging technologies through life-cycle assessment and data-driven modeling. She develops the analytical tools needed to evaluate trade-offs between performance and environmental cost.

portrait of Minlan Yu

Minlan Yu

PI

Gordon McKay Professor of CS, Harvard University Her research focuses on network telemetry, performance diagnosis, and programmable network functions for large-scale datacenter networks. Her systems have been deployed in production at major technology companies.