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Curriculum Vitae

My full CV is available from here.


2023 Nov. - 

Kavli Astrophysics Postdoctoral Fellow at Kavli IPMU (Univ. of Tokyo)

2021 Dec. - 2023 Oct

Kavli Astrophysics Postdoctoral Fellow at KIAA (Peking University)

2021 Oct. - 2021 Nov. 

Non-affiliated visitor to Kavli IPMU (Univ. of Tokyo)

2018 Apr. - 2021 Sep

Post-doctral researcher at Max-Planck-Institut fuer Astronomie, Germany (Dr. F.Walter's group)

2015 Apr. - 2018 Mar.

JSPS Research Fellow (DC1) at National Astronomical Observatory of Japan


2013 Apr. - 2018 Mar.

​Ph.D. at Graduate University for Advanced Studies (SOKENDAI)

/ National Astronomical Observatory of Japan (supervisor: Dr. N.Kashikawa)

  • Title of Ph.D. thesis: "Exploration of the First Billion Years with High-Redshift Quasars"

2015 Nov. - 2016 Jan.

Research Internship at Max-Planck-Institut fuer Astronomy, Germany (Dr. F.Walter's group)

2009 Apr. - 2013 Mar.

​B.S. at the University of Tokyo, Department of Astronomy, School of Science

Fields of Interests

  • High-redshift quasar discovery

  • Formation and early growth history of supermassive black holes

  • Quasar host galaxies

  • Chemical enrichment of broad-line-region

  • Large-scale galaxy environments of quasars

  • Metal intervening systems

  • Dust-reddened/obscured quasars

  • Wide-field surveys

Observation Experience







  • Total awarded times in 8-10m class telescopes as PIs: >200 hours

  • Visitor mode observations: >10 nights (Subaru), 1 night (Keck), 5 nights (Magellan)

  • Remote observations for the HSC-SSP project: 10 nights

  • Co-Is in >10 successful proposals of ground-based opt/NIR telescopes, ALMA, and HST

Large Projects

  • PI of a JWST Cy2 GO program ``Full Characterization of Starlight from a z=6.4 Quasar Host Galaxy"  (ID 3859, NIRCam, 11.0hr, small category)

  • Co-PI of a JWST Cy2 GO program ``Unveiling Obscured Growth of Supermassive Black Holes in the Epoch of Reionization" (ID 3417, NIRSpec, 23.2hr, small category)

  • PI of a JWST Cy1 GO program ``A Complete Census of SMBHs and Host Galaxies at z=6" (ADS link) (ID 1967, NIRSpec+NIRCam, 49.5hr, medium category)

  • Hyper Suprime-Cam Subaru Strategic Program (2013-, AGN group)

  • Euclid (2020-, primeval universe science working group, Blue Grism working group)

  • Pan-Starrs1 (2018-, quasar search)

  • Nancy Grace Roman telescope (2020-, Japanese internal working member in cosmic dawn group)

Community Service

  • Peer review: the Astrophysical Journal, the Monthly Notices of the Royal Astronomical Society, the Astronomical Journal

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