Recent Former Postdoctoral Fellows & Associates

Jessica Arnold
Postdoctoral Fellow, NASA
Astronomy; debris disks.
- (202) 478-8849
- jarnold at carnegiescience.edu
- More Information
Tri Astraatmadja
Former Thompson Postdoctoral Fellow
Ground-based astrometric detection of exoplanets; Instrument modeling and simulations; software engineering, scientific computing, and high-performance computing; probability theory, statistical inference, hypothesis testing and data analysis; machine-learning algorithms; large-scale surveys; detection of high-energy neutrinos and photons; kinematical and dynamical studies of the Milky Way
- (202) 478-4885
- tastraatmadja at carnegiescience.edu
- More Information
- Personal Website

Anaïs Bardyn
Carnegie Postdoctoral Fellow
Comets; Extraterrestrial organic matter; Interplanetary dust particles; Time-of-flight secondary ions mass spectrometry; Cosmochemistry
- (202) 478-8828
- abardyn at carnegiescience.edu
- More Information
- Personal Website

Terrence Blackburn
Postdoctoral Fellow
Focus on the acquisition, improvement and application of U-Pb geochronologic data; Early solar system studies
- (202) 478-8477
- tblackburn at carnegiescience.edu
- More Information
- Personal Website

Elodie Brothelande
Carnegie Postdoctoral Fellow
Geophysics and long-term deformation modeling; geodesy and short-term deformation modeling; photogrammetry; analogue modeling; numerical modeling; gravimetry; structural geology
- (202) 478-8856
- ebrothelande@carnegiescience.edu
- More Information
- Personal Website

Joy Buongiorno
Postdoctoral Fellow
Geochemistry
- (202) 478-8953
- jbuongiorno@carnegiescience.edu
- More Information
- Personal Website

Paul Byrne
Postdoctoral Fellow
Planetary Physics; MESSENGER Mission
- (202) 478-8847
- pbyrne at dtm.ciw.edu
- More Information
- Personal Website

Joleen K. Carlberg
Postdoctoral Fellow
Red giant stars; how exoplanet systems evolve over time.
- (202) 478-8480
- jcarlberg at carnegiescience.edu
- More Information
- Personal Website
Irina Chuvashova
Postdoctoral Fellow
High pressure; matter at extreme states
- (202) 478-8988
- ichuvashova@carnegiescience.edu
- More Information
- Personal Website

Jemma Davidson
NASA Associate
Cosmochemistry; presolar grains and organic matter in meteorites; isotopic chemistry
- (202) 478-8482
- jdavidson at carnegiescience.edu
- More Information
- Personal Website

Sergio Dieterich
NSF Postdoctoral Fellow
Very low mass stars and brown dwarfs; astrometry; stellar masses; the solar neighborhood; stellar populations; observational tests of stellar structure; physics and astronomy education
- (202) 478-4885
- sdieterich at carnegiescience.edu
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Jessica K. Donaldson
Postdoctoral Associate
Circumstellar disks; Planet formation; Observational astrophysics
- (202) 478-8480
- jdonaldson at carnegiescience.edu
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Kelsey A. Druken
Postdoctoral Fellow
Geophysical fluid dynamics and Earth systems modeling; Integrating geodynamic processes and geophysical observables; Laboratory and numerical techniques for Earth Science
- (202) 478-8469
- kdruken at dtm.ciw.edu
- More Information
- Personal Website

Jacqueline K. Faherty
Hubble Fellow
Astronomy; Brown dwarfs kinematics
- (202) 478-8862
- jfaherty at carnegiescience.edu
- More Information
- Personal Website

Fabo Feng
Former Carnegie Postdoctoral Fellow
Exoplanet; celestial dynamics; Bayesian statistics; galactic dynamics; interstellar travel; paleogeology, paleoclimatology, mass extinction; cosmic strings
- (202)-478-8851
- ffeng@carnegiescience.edu
- More Information
- Personal Website

Bradford J. Foley
Postdoctoral Fellow
Mantle dynamics, tectonics, and thermal evolution of terrestrial; dynamical causes of plate tectonics on Earth and predictions for exoplanets; planetary habitability and coupling between climate and tectonics; early Earth mantle dynamics and evolution.
- (202) 478-8841
- bfoley at carnegiescience.edu
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Elizabeth Frank
MESSENGER Postdoctoral Associate
Planetary geology; geochemistry; cosmochemistry; astrobiology
- (202) 478-8476
- efrank at carnegiescience.edu
- More Information
- Personal Website

Jonathan Gagné
Sagan Fellow
Brown dwarfs; young moving groups; direct-imaging of exoplanets; near-infrared spectroscopy; detection of exoplanets by radial velocity measurements
- (202) 478-8861
- jgagne at carnegiescience.edu
- More Information
- Personal Website

Marion Garçon
Postdoctoral Fellow
Isotopic and trace element geochemistry of continental crust, mantle and sediments
- (202) 478-8477
- mgarcon at carnegiescience.edu
- More Information
- Personal Website

Doug Hemingway
Carnegie Postdoctoral Fellow
Planetary geophysics; interior modeling from gravitational and magnetic field data; icy ocean worlds; planetary magnetism; space weathering
- (202) 478-8815
- dhemingway@carnegiescience.edu
- More Information
- Personal Website

Brian Jackson
Astronomy Postdoc
Orbital evolution and transit/eclipse observations of extrasolar planets
- (202) 478-8813
- bjackson at dtm.ciw.edu
- More Information
- Personal Website

Helen Janiszewski
Carnegie Postdoctoral Fellow
Seismic imaging of the Earth's crust and mantle; subduction zones; relationships between seismic structure and tectonic processes; amphibious seismic technique development
- (202) 478-8841
- hjaniszewski@carnegiescience.edu
- More Information
- Personal Website

Tim Jones
Carnegie Postdoctoral Fellow
Mantle convection; mantle geochemistry; numerical modelling; plate tectonics
- (202) 478-2394
- tjones@carnegiescience.edu
- More Information

Nathan Kaib
Postdoctoral Fellow
Formation and evolution of planetary systems in astrophysical environments; dynamics of small body reservoirs in the solar system; impact rates on solar system bodies; dynamics of extrasolar planets
- (202) 478-8813
- nkaib at carnegiescience.edu
- More Information

Christian Klimczak
Postdoctoral Fellow
Tectonic and volcanic evolution of the rocky planets; Growth of faults and fractures and fluid flow through/across them; Brittle deformation of granular materials
- (202) 478-8842
- cklimczak at dtm.ciw.edu
- More Information
- Personal Website

Stefan Lachowycz
Postdoctoral Fulbright Scholar
Physical volcanology; statistical analysis of volcanological data; external influences on volcanism; tephrochronology; volcano-ice interactions
- (202) 478-8841
- slachowycz at carnegiescience.edu
- More Information
- Personal Website

Hélène Le Mével
Postdoctoral Fellow
Volcano deformation; geodetic data analysis; volcanic unrest; numerical modeling of magmatic processes
- (202) 478-8842
- hlemevel at carnegiescience.edu
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Marion Le Voyer
Deep Carbon Observatory Fellow
Global cycling of volatiles in magmatic systems; degassing processes and eruption dynamics; melt inclusions, glasses, crystal zonation, and diffusion clocks; in situ analytical techniques, geochemical modeling, and stable isotopes.
- (202) 478-8483
- mlevoyer at carnegiescience.edu
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Nan Liu
Postdoctoral Fellow
Isotopic studies of presolar grains; stellar nucleosynthesis in different types of stars; formation of presolar grains in stellar environments; isotopic anomalies in meteorites and their connections to those different types of presolar grains.
- (202) 478-8483
- nliu at carnegiescience.edu
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Amanda Lough
Postdoctoral Fellow
Volcano seismology; DLP seismic sources; glacial seismic sources; seismology
- (202) 478-2394
- alough at carnegiescience.edu
- More Information

Meredith A. MacGregor
NSF Postdoctoral Fellow
Debris disks; Circumstellar disk structure and evolution; Planetary system formation; Radio interferometry; Aperture synthesis techniques
- (202) 478-8846
- mmacgregor at carnegiescience.edu
- More Information
- Personal Website

Jared Marske
Deep Carbon Observatory Fellow
Geochemistry
- (202) 478-4883
- jmarske at carnegiescience.edu
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Miki Nakajima
Postdoctoral Fellow
Origin of the Earth and Moon; enceladus plumes; exomoon formation.
- (202) 478-8853
- mnakajima at carnegiescience.edu
- More Information
- Personal Website

Erika Nesvold
Postdoctoral Fellow
Debris disk morphology; planet-disk interactions; planetary system dynamics; planetesimal collisions
- (202) 478-8813
- enesvold at carnegiescience.edu
- More Information
- Personal Website

Megan Newcombe
Carnegie Postdoctoral Fellow
Petrology; numerical modeling; state-of-the-art geochemical analysis to study volcanoes on the Earth, the Moon, and Mars
- (202) 478-8828
- mnewcombe@carnegiescience.edu
- More Information
- Personal Website

Rita Parai
Postdoctoral Fellow
Origin of volatiles in terrestrial planets; early Earth environments; timing and mechanism of lunar formation; chemical cycling between deep Earth and surface reservoirs; chemical constraints on geodynamics
- (202) 478-8475
- rparai at carnegiescience.edu
- More Information
- Personal Website

Andrea Patzer
Postdoctoral Fellow, NASA
Cosmochemistry; planetary science; petrography and petrology of meteorites; elemental and isotopic compositions of meteorites; noble gases in meteorites; evolution of differentiated asteroids; evolution of primitive achondrites; accretion processes in the early Solar System
- (202) 478-8455
- apatzer@carnegiescience.edu
- More Information

Bradley Peters
Postdoctoral Fellow
Mantle petrology and heterogeneities; hotspot provenance; early Earth history and dynamics; geochemical method development and instrumental analysis
- (202) 478-8468
- bpeters at carnegiescience.edu
- More Information
- Personal Website

John Platt
Postdoctoral Fellow
Mechanics and physics of earthquakes; fault friction; ice stream dynamics; iceberg calving
- (202) 478-8841
- jplatt at dtm.ciw.edu
- More Information
- Personal Website

Ryan C. Porter
Postdoctoral Fellow
The use of earthquake seismology to study tectonics; crustal and upper mantle structure; subduction zone processes; seismic anisotropy
- (202) 478-8821
- rporter at dtm.ciw.edu
- More Information
- Personal Website
Jesse Reimink
Postdoctoral Fellow
Evolution of crust formation through time; Hadean geodynamics; mode and effect of cratonization; influence of crustal composition on other Earth systems; modeling of complex datasets; high precision geochronology of complex samples
- 202-478-8823
- jreimink at carnegiescience.edu
- More Information
- Personal Website

My Riebe
Postdoctoral Associate
Cosmochemistry; isotopic anomalies in Solar System materials; extraterrestrial organic matter; volatile element processing in the Solar System; and interplanetary dust particles
- (202) 478-8476
- mriebe at carnegiescience.edu
- More Information
- Personal Website

Vincent Riggi
Postdoctoral Fellow
Astrobiology, prebiotic chemistry, organic synthesis, and high-pressure geochemistry
- (570) 766-9995
- vriggi@carnegiescience.edu
- More Information
- Personal Website

Hanika Rizo
NAI Associate
Chemical differentiation of the early Earth, dynamics of the Archean mantle, trace an isotope geochemistry, cosmochemistry, petrology.
- (202) 478-8477
- hrizo at carnegiescience.edu
- More Information

Timothy J. Rodigas
Hubble Fellow
High-contrast imaging of exoplanets and debris disks; dynamical models of planets interacting with disks; direct imaging of radial velocity companions
- (202) 478-8859
- trodigas at carnegiescience.edu
- More Information
- Personal Website
Shi (Joyce) Sim
Postdoctoral Fellow, DCO
Early Earth; fluid dynamics; geodynamics; melt in the mantle; multi-phase flows; numerical modeling; parallel computing; plate tectonics; planetary formation and evolution
- (202) 478-8483
- ssim@carnegiescience.edu
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Deborah E. Smith
Postdoctoral Fellow
Geophysics
- (202) 478-8469
- desmith at dtm.ciw.edu
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Myriam Telus
Postdoctoral Fellow
Cosmochemistry; early solar system chronology; thermal metamorphism of chondrites; differentiation of planetary bodies; secondary ion mass spectrometry
- (202) 478-8459
- mtelus at carnegiescience.edu
- More Information
- Personal Website

Johanna K. Teske
Origins/Hubble Postdoctoral Fellow
Exoplanet host star elemental abundances as probes of planetary system composition; small planets around "solar twin" stars; astronomical instrumentation; exoplanet host star binarity as characterized by speckle imaging and spectroscopy
- (202) 478-4885
- jteske at carnegiescience.edu
- More Information
- Personal Website

Jonathan Tucker
Postdoctoral Fellow, NSF
Mantle geochemistry; noble gas and volatile element geochemistry; accretion and early Earth

Maximilien Verdier-Paoletti
Postdoctoral Fellow, NASA
Meteorites, cosmochemistry, carbonacious chondrites, hydrothermal alteration, presolar grains, secondary ion mass spectrometry.
- (202) 478-8463
- mverdier@carnegiescience.edu
- More Information

Lin Wang
Former Carnegie Postdoctoral Fellow
High pressure; planetary science
- (202) 478-8926
- liwang@carnegiescience.edu
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Sharon Xuesong Wang
Carnegie Postdoctoral Fellow
Detecting and characterizing exoplanets using radial velocities; improving radial velocity precision; disentangling stellar activity and radial velocities; understanding star formation and dark matter halo of Low Surface Brightness (LSB) galaxies; AGNs and their host galaxies
- (202) 478-8862
- sharonw at carnegiescience.edu
- More Information
- Personal Website

Christelle Wauthier
Postdoctoral Fellow
Natural hazards by means of remote-sensing and geophysical techniques
- (202) 478-8841
- cwauthier at dtm.ciw.edu
- More Information
- Personal Website

Shoshana Weider
MESSENGER Fellow
Geochemistry
- (202) 478-8476
- sweider at carnegiescience.edu
- More Information
- Personal Website