Faculty
 Richard Black Professor Scott Tremaine: Astrophysical dynamics; formation and evolution of planetary systems; galactic structure and evolution; supermassive black holes in galaxies
 Professor Matias Zaldarriaga: Cosmology  early universe cosmology, cosmological perturbation theory, cosmic microwave background, largescale structure, dark matter and dark energy
Visiting Professor

Maureen and John Hendricks Visiting Professor Rashid Sunyaev: Theoretical astrophysics, high energy astrophysics and cosmology: including CMB, clusters of galaxies, theory of accretion onto black holes and neutron stars, interaction of matter and radiation under astrophysical conditions, xray astronomy
Junior Visiting Professor

Dmitri Uzdensky : Theoretical highenergy astrophysics and plasma astrophysics: pulsars, pulsar wind nebulae, accreting black holes and their jets, and astrophysical magnetic reconnection
Current Members
 Valentin Assassi: Cosmology: inflation, primordial nonGaussianity, largescale structure, halo biasing, cosmological perturbation theory
 Ben BarOr: Stellar dynamics, statistical mechanics of stellar systems, galactic nuclei, accretion disks, nearly Keplerian systems, the three body problem, star clusters
 Timothy Brandt: Highcontrast imaging of extrasolar planets; data analysis; statistical inferences; large surveys
 Liang Dai: Cosmology, inflation, large scale structure, cosmic microwave background, general relativity and gravitational waves, gravitational lensing, dark matter and neutrinos

JeanBaptiste Fouvry: Kinetic theory, selfgravitating systems, galactic dynamics, secular evolution, longrange interactions
 Vera Gluscevic: Cosmology, cosmic microwave background, dark energy, inflation; directdetection searches for dark matter; cosmic reionization; primordial magnetic fields

Adrian Hamers : Gravitational dynamics — secular evolution of hierarchical systems including multiplanet and multistar systems, and galactic nuclei. Applications to hot Jupiters, compact objects, SNe Ia, tidal disruptions and gravitational wave sources

Alexander Kaurov :Reionization, cosmology, early universe and galaxy formation, 21 cm probes; dark matter annihilation; neutron stars

Morgan MacLeod: Binary star interactions, common envelope episodes, and the formation of compact (and merging) binaries; stellar dynamics of clusters, especially interactions of compact objects and stars in clusters and tidal disruptions of stars; astronomical transients.
 Tejaswi Nerella: Cosmology, reionization, 21cm cosmology, dark matter, neutrinos, magnetic fields, gravitational waves, large scale structure, radio astronomy, cosmic microwave background, cosmological perturbation theory, neutron stars, tidal interactions
 James Owen: Star and planet formation; accretion discs; exoplanets; astrophysical fluid dynamics; radiative transfer and numerical simulations

David Radice: Gravitationalwave sources, multimessenger astronomy, rprocess nucleosynthesis; neutronstar mergers, corecollapse supernovae; numerical relativity
 Roman Rafikov: Theoretical astrophysics, planetary sciences, planet formation, Nbody dynamics, astrophysical fluid dynamics, accretion disks, highenergy astrophysics
 Marcel Schmittfull: Cosmology, largescale structure, gravitational lensing of the cosmic microwave background; inflation, dark energy, neutrinos; observables beyond the power spectrum
 Marko Simonović: Inflation, primordial nonGaussianities, largescale structure, cosmological perturbation theory, modifications of gravity
 Amanda Weltman: Cosmology, alternative theories of gravity, early universe theories, dark energy, astrophysical and lab tests of dark energy, FRBs, radio astronomy, high energy physics, quantum gravity, emergence of space, time and physical laws
Visitors
 Tim Morton: Extrasolar planets; statistical analysis; scientific software development