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Berkeley Lab Experts
From accelerators to energy to supercomputers,
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Featured Experts

Brian Tierney

staff scientist

Brian Tierney is a staff scientist and group leader of the ESnet Advanced Network Technologies Group at Berkeley Lab. His research interests include high-performance networking and network protocols; distributed system performance monitoring and analysis; network tuning issues; and the application of distributed computing to problems in science and engineering. He has also served as PI for several DOE research projects in network and grid-monitoring systems for data-intensive distributed computing.  

Sylvain Costes


Sylvain Costes manages the computer modeling effort for the NASA Specialized Center of Research at LBNL, which studies the risks associated with space radiation on human breast tissue.  He is also part of the DOE Scientific Focus Area dedicated to understanding the effects on humans from low doses of ionizing radiation. As such, he supervises a bioinformatics lab dedicated to analysis of multi-dimensional microscope images, agent-based modeling and genomic analysis.

Margaret S. Torn

ecologist and biogeochemist

Margaret Torn studies climate change impacts on ecosystems and the services they provide to society.  Her work focuses on the influence of the land surface on climate, including the potential for ecosystem-climate feedbacks to contribute to abrupt climate change.