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Research Fellows

Our research fellows advise on the strategic direction of science and technology research at NREL and ensure our work meets the highest standards for quality and objectivity.

Find all research staff by visiting our research program areas.

Photo of Robert Allen

Robert Allen

Senior Research Fellow

After 35 years as an industrial polymer chemist and research leader at IBM, Bob Allen joined NREL to focus on sustainable polymers and composites for the future circular economy.


Photo of Mowafak Al-Jassim

Mowafak Al-Jassim

Senior Research Fellow

Mowafak Al-Jassim has worked at NREL for more than 30 years and has contributed greatly to world-record efficiencies in photovoltaic technologies.

Publications


Photo of Matthew Beard

Matthew Beard

Senior Research Fellow

Matt Beard serves as the director of the Center for Hybrid Organic Inorganic Semiconductors for Energy, an Energy Frontier Research Center.

Publications


Photo of Gregg Beckham

Gregg Beckham

Senior Research Fellow

Gregg Beckham's research at NREL focuses on conversion of biomass to fuels, chemicals, and materials, including the areas of metabolic engineering, fermentation, separations, chemical catalysis, biopolymer production, cellulase enzyme improvements, renewable carbon fiber production, theory and simulation to design biological and chemical catalysts, and lignin valorization.


Photo of David S. Ginley

David S. Ginley

Senior Research Fellow

David S. Ginley's current activities are in the general class of defective transition metal oxides, including high-temperature superconductors, LiTMO2 rechargable Li battery materials, ferroelectric materials, transparent conducting oxides, and electrochromic materials.

Publications


Photo of NREL research fellow Dr. Michael Himmel

Michael Himmel

Senior Research Fellow

Michael Himmel is a biochemist whose work on cellulase greatly simplified and lowered the cost of converting biomass to fuel. Himmel manages the award-winning cellulase enzyme technology effort.

Publications


Photo of Sarah Kurtz

Sarah Kurtz

Senior Research Fellow

Sarah Kurtz is a world-renowned expert in the fields of multijunction PV, concentrator PV, and PV reliability.

Publications


Photo of Robert McCormick

Robert McCormick

Senior Research Fellow

Bob McCormick’s research is focused on end-use issues and fuel-engine interactions with alternative fuels, primarily biofuels—including ethanol and biodiesel as well as next-generation and futuristic fuels.

Publications


Photo of Bryan Pivovar

Bryan Pivovar

Senior Research Fellow

Bryan Pivovar is the fuel cell group manager in the Chemistry and Nanosciences Center at NREL. He oversees NREL’s electrolysis and fuel cell research and development activities.

Publications


Photo of Garry Rumbles

Garry Rumbles

Senior Research Fellow

Garry Rumbles is widely recognized for his research in photochemistry and photophysics of conjugated molecular systems, energy conversion in organic light-emitting diodes and organic photovoltaic devices, and nanoscale morphology.

Publications


Photo of Paul Veers

Paul Veers

Senior Research Fellow

Paul Veers is the chief engineer of the National Wind Technology Center at NREL’s Flatirons Campus and manager of the Wind Energy Science Group.

Publications


Photo of Andy Walker

Andy Walker

Senior Research Fellow

Andy Walker develops new methods for engineering and economic analysis of energy efficiency and renewable energy projects and has a patent on the Renewable Energy Optimization method of planning renewable energy projects across a portfolio of properties.

Publications


Research Fellows Emeriti

Photo of Richard Ahrenkiel

Richard Ahrenkiel

Senior Research Fellow Emeritus

Richard Ahrenkiel's area of specialization is the measurement and characterization of photovoltaic cells and materials. He is one of the world experts in the area of carrier recombination and carrier lifetime. 

Publications


Photo of Helena Chum

Helena Chum

Senior Research Fellow Emeritus

Helena Chum's expertise is in renewable fuels, transportation systems, and international renewable energy activities, including biomass, biofuels, and biorefineries.

Publications


Photo of Timothy J. Coutts

Timothy J. Coutts

Senior Research Fellow Emeritus

Timothy Coutts' research areas include thin-film science, photovoltaics, and thermophotovoltaics.

Publications


Photo of Richard DeBlasio

Richard DeBlasio

Senior Research Fellow Emeritus

Richard (Dick) DeBlasio is an expert in renewable electricity, end-use systems applications, and distributed energy resources.

Publications


Photo of Arthur J. Nozik

Arthur J. Nozik

Senior Research Fellow Emeritus

Arthur Nozik's work focuses on photoelectrochemistry, solid state physics, semiconductor nanoscience, hot carrier effects, third-generation solar photon conversion, and related interdisciplinary science.

Publications


Photo of Michael Seibert

Michael Seibert

Senior Research Fellow Emeritus

Michael Seibert's current research interests include primary processes of and water-oxidation in oxygenic photosynthesis, structure and function of [Fe]-hydrogenases, molecular engineering of hydrogenases, expression profiling in green algae, and photobiological hydrogen production.

Publications


Photo of Robert Thresher

Robert Thresher

Senior Research Fellow Emeritus

Robert Thresher has more than 40 years of research, development, engineering, and management experience in wind technology, plant engineering, and aerospace systems. He has been a strategist for the initiation of a national research program to develop offshore wind, wave, tidal and current energy technology.

Publications

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