You can find my resume here

Curriculum Vitae

Full details can be found in my Curriculum Vitae PDF.

Education

• Ph.D Astronomy & Astrophysics, Harvard University (Advisor: Lars Hernquist), 2018
• M.S. Astronomy & Astrophysics, Harvard University
• B.S. with Honors in Physics (Astrophysics), UC Santa Cruz
• B.S. with Honors in Biology (Molecular, Cellular & Developmental), UC Santa Cruz

Positions & Roles

• Chair, NANOGrav Collaboration Astrophysics Working Group
• 2023: Assistant Adjunct Professor, Astronomy Department, UC Berkeley,
• 2022: Cottrell Postdoctoral Fellow, CIERA (Physics & Astronomy), Northwestern University
• 2018: Lindheimer Prize Postdoctoral Fellow, CIERA (Physics & Astronomy), Northwestern University

Talks

73 science talks, 57 invited.

recent invited talks:

• Feb, 2025 -- The Era of Binary Supermassive Black Holes, ACP Conference -- Aspen, CO
• Nov, 2024 -- KITP Chalk Talk, UC Santa Barbara -- Santa Barbara, CA
• Nov, 2024 -- Astronomy Colloquium, UC Santa Cruz -- Santa Cruz, CA
• Oct, 2024 -- Astronomy Colloquium, Lowell Observatory -- Flagstaff, Arizona
• Jul, 2024 -- European Astronomical Society, Summer Meeting -- Padua, Padova
• Apr, 2024 -- American Physical Society, April Meeting -- Sacramento, CA
• Nov, 2023 -- Unravelling the Universe with Pulsar Timing Arrays -- Pittsburgh, PA
• Nov, 2023 -- HEP/Astro Seminar, CERN LHC -- remote
• Nov, 2023 -- Physics Seminar, Princeton Gravity Initiative -- Princeton, NJ
• Nov, 2023 -- Physics Colloquium, UC Santa Cruz -- Santa Cruz, CA

Publications

87 papers (8799 citations): 13 first-author (1059 citations), 15 advised student-led papers

recent lead-author papers:

• Kelley 2025. 'Pulsar Timing Arrays'
  arXiv e-prints, submitted. 10.48550/arXiv.2505.00797

• Agazie et al. 2023. 'The NANOGrav 15 yr Data Set: Constraints on Supermassive Black Hole Binaries from the Gravitational-wave Background'
  ApJ Letters, 952, 2. 10.3847/2041-8213/ace18b

• Kelley, D'Orazio, & Di Stefano 2021. 'Gravitational self-lensing in populations of massive black hole binaries'
  MNRAS, 508, 2. 10.1093/mnras/stab2776

• Kelley 2021. 'kalepy: a Python package for kernel density estimation, sampling and plotting'
  The Journal of Open Source Software, 6, 57. 10.21105/joss.02784

• Kelley 2021. 'Basic considerations for the observability of kinematically offset binary AGN'
  MNRAS, 500, 3. 10.1093/mnras/staa3219

recent student-led papers:

• Gardiner, Bécsy, Kelley, & Cornish 2025. 'Characterizing Continuous Gravitational Waves from Supermassive Black Hole Binaries in Realistic Pulsar Timing Array Data'
  arXiv e-prints, submitted. 10.48550/arXiv.2502.16016

• Cella, Taylor, & Zoltan Kelley 2025. 'Host galaxy demographics of individually detectable supermassive black-hole binaries with pulsar timing arrays'
  Classical and Quantum Gravity, 42, 2. 10.1088/1361-6382/ad9131

• Gardiner, Kelley, Lemke, & Mitridate 2024. 'Beyond the Background: Gravitational-wave Anisotropy and Continuous Waves from Supermassive Black Hole Binaries'
  ApJ, 965, 2. 10.3847/1538-4357/ad2be8

• Siwek, Kelley, & Hernquist 2024. 'Signatures of circumbinary disc dynamics in multimessenger population studies of massive black hole binaries'
  MNRAS, 534, 3. 10.1093/mnras/stae2251

• Sayeb, Blecha, & Kelley 2024. 'MBH binary intruders: triple systems from cosmological simulations'
  MNRAS, 527, 3. 10.1093/mnras/stad3637

References

• Laura Blecha (University of Florida), Collaborator

• Claude-Andre Faucher-Giguere (Northwestern University), Postdoctoral mentor

• Zoltan Haiman (Columbia University), Collaborator

• Lars Hernquist (Harvard University), PhD advisor

• Vicky Kalogera (Northwestern University), Collaborator

• Enrico Ramirez-Ruiz (UC Santa Cruz), Mentor, advisor

• Scott Ransom (NRAO/University of Virginia), Collaborator

updated at 2025-05-22_00:00:19.