The team

My research group

I'm fortunate to work with a wonderful team at the University of Toronto — currently six postdoctoral fellows, five graduate students, and twenty undergraduate researchers. Want to join? See opportunities.

Postdoctoral fellows

Biprateep Dey
Schmidt AI / CITA / Dunlap Fellow
Stellar stream search with machine learning
Ryan Dungee
Dunlap Instrumentation Fellow
Adaptive optics & astronomical instrumentation
Kevin McKinnon
Schmidt AI Fellow
Combining telescopes to measure stellar motions
Gustavo Medina
Dunlap Fellow
Galactic archaeology; RR Lyrae & variable stars
Tri Nguyen
NSERC / Dunlap Fellow
Dark matter in dwarfs & streams with ML
Nathan Sandford
A&S Postdoctoral Fellow
Dwarf galaxy evolution & chemical abundances

Graduate students

Mairead Heiger
PhD student
Galactic chemical evolution & nucleosynthesis
Emma Jarvis
PhD student
The GD-1 stream with DESI
Nasser Mohammed
PhD student
Stellar stream census & dark matter
AS
PhD student
Mass estimators with phase-space distribution functions
Emma Jiayi Xu
MSc student (Physics)
DMD-MOS spectrograph; GigaBIT filter selection

Undergraduate researchers (current)

Nawaf Alrefaie
Nawaf Alrefaie
Mapping dark matter with AI
Yazan Bakhshwin
Yazan Bakhshwin
Metallicities of RR Lyrae with LSST
Laly Boyer
Laly Boyer
DMD-MOS instrumentation
Aishani Chaudhuri
Aishani Chaudhuri
Hunting for binary stars in DESI spectroscopy
Frank Ziang Chen
Frank Ziang Chen
DMD-based multi-object spectrograph
Liwen Chen
Liwen Chen
Improving stellar astrometry with JWST & Gaia
Rosayla Coulthard
Rosayla Coulthard
CEMP stars & ML abundance validation
Winnie (Mingzhi) Jiang
Winnie (Mingzhi) Jiang
RR Lyrae in the Orphan-Chenab stellar stream
Isabelle Laing
Isabelle Laing
Galactic paleontology; the DOROTHY catalogue
Andrew Li
Andrew Li
Finding stellar streams in S5 with Bayesian mixture models
Wesley Luo
Wesley Luo
Mapping the stellar halo with BHB stars in DELVE
Connor MacKeigan
Connor MacKeigan
Stream characterization with machine learning
Emily Moran
Emily Moran
Stellar stream modelling
Matteo Moretti
Matteo Moretti
The formation history of Andromeda
Alexandros Pratsos
Alexandros Pratsos
Milky Way substructure with geometric deep learning
Olivia Shen
Olivia Shen
Dwarf galaxies and self-interacting dark matter
Matteo Statti
Matteo Statti
A small-scale SCIDAR for campus telescopes
Pedro Werneck
Pedro Werneck
Stellar proper motions with GaiaHub & BP3M
Maia Wertheim
Maia Wertheim
Searching for streams in the distant Milky Way halo
Andy Yu
Andy Yu
Mapping dark matter with AI

Where they go next

Group alumni

Former group members have gone on to graduate programs and faculty positions at leading institutions — including MIT, Yale, UC Berkeley, Caltech, Columbia, Waterloo, Arizona, Indiana, and the University of Washington. A full list of mentees and their publications is in my CV.