Staff Scientists

Conel Alexander

Conel M. O'D. Alexander

Staff Scientist

Cosmochemistry; origin of chondrules, water, organic matter, circumstellar and interstellar grains.

Alan Boss

Alan P. Boss

Staff Scientist

Theoretical astrophysics; stellar and planetary system formation; extrasolar planets formation and detection

Paul Butler

R. Paul Butler

Staff Scientist

Observational astrophysics; stellar spectroscopy; precision Doppler instrumentation; extrasolar planets; Sun-like stars; supergiants and Cepheid variable stars

Rick Carlson

Richard W. Carlson

Director

Isotope geochemistry; history and nature of chemical evolution of the Earth's crust and mantle; early history of the solar system

John Chambers

John E. Chambers

Staff Scientist

Planetary formation theory; planetary dynamics; extrasolar planets

Staff Scientist George Cody

George Cody

Staff Scientist

Geochemistry

Staff Scientist Ronald Cohen

Ronald Cohen

Staff Scientist

High pressure, materials, and planetary science.

Peter E. Driscoll

Staff Scientist

Evolution of Earth’s core and magnetic field; magnetic polarity reversals; inner core structure; core-mantle coupling; tectonic-volatile cycling; tidal dissipation and orbital migration; planetary interiors, dynamos, and aeronomy; exoplanets

Staff Scientist Yingwei Fei

Yingwei Fei

Staff Scientist

Earth and planet evolution; planetary interior processes; compositions of the Earth's mantle and core; physical properties of materials at high P and T; materials synthesis at high pressure; development of high-pressure techniques

Staff Scientist Alex Goncharov

Alexander Goncharov

Staff Scientist

Metallic hydrogen and related materials; phase transformation and chemical reactivity of simple molecular materials under high pressure and high temperature conditions; thermal conductivity of Earth and planetary materials; high-temperature superconductivity

Staff Scientist Robert Hazen

Robert Hazen

Staff Scientist

Coevolving geosphere and biosphere; Earth's evolving mineralogy; interactions among organic biomolecules and mineral surfaces; mineral-mediated chemistry in the context of origins of life; emergence of pre-biotic chemical complexity

Helene Le Mevel

Hélène Le Mével

Staff Scientist

Volcano deformation; Geodetic data analysis (GPS, InSAR); Volcanic unrest; Gravimetry; Numerical modeling of magmatic processes.

Alan T. Linde

Alan T. Linde

Staff Scientist Emeritus

Geophysics; seismology; tectonophysics

Statt Scientist Bjorn Mysen

Bjorn Mysen

Staff Scientist

Physics and chemistry of materials; melting phase relations of mantle materials; isotope fractionation; structure and properties of silicate melts; solubility mechanisms, transport mechanisms in amorphous materials

Larry Nittler

Larry R. Nittler

Staff Scientist

Cosmochemistry; presolar grains in meteorites; secondary ion mass spectrometry and planetary remote sensing

Diana C. Roman

Diana C. Roman

Staff Scientist

Source processes of volcanic earthquakes; volcano-fault interaction; structure and dynamics of magma transport and storage systems; volcano monitoring and eruption forecasting

Staff Scientist Emeritus Douglas Rumble

Douglas Rumble III

Staff Scientist Emeritus

Geochemistry

I. Selwyn Sacks

I. Selwyn Sacks

Staff Scientist Emeritus

Geophysics; seismology; tectonophysics; core structure

Staff Scientist Anat Shahar

Anat Shahar

Staff Scientist

Geochemistry; high pressure; planetary science

Scott S. Sheppard

Scott S. Sheppard

Staff Scientist

Small bodies in the solar system; star, planet and solar system formation; brown dwarfs

Steve Shirey

Steven B. Shirey

Staff Scientist

Igneous petrology; isotope geochemistry; trace element geochemistry; geochemical evolution of the Earth's crust and mantle

Staff Scientist Andrew Steele

Andrew Steele

Staff Scientist

Astrobiology; planetary science; using traditional and biotechnological approaches for the detection of microbial life in astrobiology and solar system exploration

Staff Scientist Timothy Strobel

Timothy Strobel

Staff Scientist

High pressure; materials; research centered around the synthesis and characterization of novel materials for energy and advanced applications

Fouad Tera

Fouad Tera

Staff Scientist Emeritus

Lunar, meteorite, and terrestrial isotope chronology; geochemistry

Staff Scientist Sally June Tracy

Sally June Tracy

Staff Scientist

High pressure; matter at extreme states; behavior of materials in extreme environments; mineral physics

Peter E. van Keken

Staff Scientist

Thermal and chemical evolution of the Earth; causes and consequences of plate tectonics; finite element modeling of mantle convection, subduction zone dynamics and mantle plumes; integration of geodynamics with seismology, geochemistry and mineral physics; parallel computing; scientific visualization.

Lara Wagner

Lara S. Wagner

Staff Scientist

Broadband seismology; field seismology; seismic tomography; seismic anisotropy; scattered wave imaging; tectonics of convergent margins; evolution of continents and the effects of tectonic inheritance

Deputy Director Michael Walter

Michael Walter

Deputy Director

Geochemistry; high pressure; matter at extreme states

Alycia J. Weinberger

Staff Scientist

Observational astrophysics; planet formation and circumstellar disks; young stars; high angular resolution imaging