Members — Seiji Fujimoto

The group at the U of T letters on Front Campus — The group on Front Campus, September 2026

Postdocs

Dr. Qinyue Fei

Postdoctoral Fellow (Jul. 2025 – present)

PhD: 2025, Peking University (Supervisor: Prof. Ran Wang)

Interests: AGNs, Outflow, Kinematics, Dark matter

Dr. Yoshihisa Asada

Dunlap Fellow (Sep. 2025 – present)

PhD: 2025, University of Kyoto (Supervisor: Prof. Koji Ohta)

Interests: High-redshift galaxies, Gravitational lensing, Star-formation history

Dr. Jacqueline Antwi-Danso

Banting Postdoctoral Fellow (Sep. 2023 – present; hosted by Joshua Speagle)

PhD: 2023, Texas A&M University (Supervisor: Prof. Casey Papovich)

Interests: Massive galaxies, Quiescent galaxies, Chemical abundance, Star-formation history

Dr. Chloe Cheng

Research Excellence Fellow (Sep. 2026 – present)

PhD: Leiden University (Supervisor: Prof. Mariska Kriek)

Interests: Ultra-deep spectroscopy of elemental abundances in massive quiescent galaxies

Website: chloe-mt-cheng.github.io

Dr. José M. Palencia

Postdoctoral Fellow (Sep. 2026 – present)

PhD: 2025, Universidad de Cantabria (Supervisor: Dr. José M. Diego)

Interests: Strong lensing in galaxy clusters, caustic-crossing magnified stars, dark matter

Dr. Ava Polzin

Dunlap Fellow (Sep. 2026 – present; hosted by Roberto Abraham)

PhD: 2026, University of Chicago (Supervisors: Prof. Andrey Kravtsov and Prof. Hsiao-Wen Chen)

Interests: Dwarf galaxies, Star formation, Baryon cycle, Circumgalactic medium

Website: avapolzin.github.io

Graduate students

Lily Han Zhang

Graduate student (Sep. 2026 – present)

Graduated from: Peking University

Interests: Galaxy formation, Galaxies, AGNs

Jingsong Guo

Graduate student (Sep. 2026 – present)

Graduated from: Peking University

Interests: High-redshift AGNs, Galaxy observations

Open for applications! See how to apply.

Undergraduate students

Gavin Farley

Undergraduate researcher

Interests: High-redshift galaxies, Metal-poor galaxies, Galaxy evolution

Alexandros Pratsos

Undergraduate researcher

Interests: Quasars, Machine learning

Visiting students

Yuhan Wen

Visiting graduate student (Sep. 2026 – Aug. 2027; co-hosted with Adam Muzzin)

Home institution: KIAA, Peking University (Supervisor: Prof. Ran Wang)

Interests: Coevolution between SMBHs and their host galaxies, Cold gas in quasar host galaxies

Local faculty friends

Colleagues with whom I am collaborating in projects and/or co-mentoring group members.

Roberto Abraham

Professor, Dept. Astronomy & Astrophysics and Dunlap Institute, University of Toronto

Website: robertoabraham.com

Joshua S. Speagle

Assistant Professor, Dept. Astronomy & Astrophysics, Dunlap Institute, and Data Science Institute, University of Toronto

Website: joshspeagle.com

Aviad Levis

Assistant Professor, Dept. Astronomy & Astrophysics and Computer Science, University of Toronto

Website: aviadlevis.info

Pratika Dayal

Professor, Canadian Institute for Theoretical Astrophysics, University of Toronto

Website: pratika-dayal

Adam Muzzin

Associate Professor, Physics and Astronomy, York University

Website: yorku.ca/professor/muzzin

Alumni

Ariel Broderick (2026)
Graduate student, University of Toronto. AST1500 project: “Spatially Resolved Characterizations of a Strongly Lensed, Normal Galaxy Down to ~1–10 pc Scales at z = 6”.
Akiyoshi Tsujita (2024–2025)
Visiting graduate student, University of Tokyo. The ALPINE-CRISTAL-JWST Survey: Stellar and Nebular Dust Attenuation of Main-sequence Galaxies at z ~ 4–6, ApJ 997, 319 (2026).
Hollis B. Akins (2021–2022)
Undergraduate summer student, Grinnell College. ALMA Reveals Extended Cool Gas and Hot Ionized Outflows in a Typical Star-forming Galaxy at z = 7.13, ApJ 934, 64 (2022).