Dr. Aaron Parsons

Professor

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Biography

Aaron Parsons is currently a Professor in the Department of Astronomy at the University of California, Berkeley, specializing in cosmology, radio astronomy, and radio instrumentation. He obtained his A.S. from Colorado Northwestern Community College in 1998 and then went on to earn a B.A. in Physics and Mathematics from Harvard University in 2002, working alongside Paul Horowitz. From 2002 to 2004, he was a Development Engineer at the Space Sciences Laboratory under Dan Werthimer. He received his Ph.D. in 2009 from UC Berkeley, where he worked with Don Backer, and spent two years as a Predoctoral Researcher at the Arecibo Observatory. Following this, he held an NSF postdoctoral fellowship and was recognized as a Charles Townes Fellow at UC Berkeley before joining the faculty in 2011. He received the NSF CAREER Award in 2014 and was honored with the Presidential Early Career Award for Scientists and Engineers in 2019. In 2020, he served as Faculty Director of the Radio Astronomy Laboratory (RAL) and is a Principal Investigator for the Hydrogen Epoch Reionization Array (HERA). He co-founded the Collaboration for Astronomy Signal Processing and Electronics Research (CASPER).

Research Interests

Experience

Professor

2011-01-01 — Present

University of California, Berkeley • Berkeley, CA

Teaching and conducting research in Astronomy, focusing on cosmology and radio instrumentation.

Development Engineer

2002-01-01 — 2004-01-01

Space Sciences Laboratory • Berkeley, CA

Worked on engineering projects related to space sciences.

Predoctoral Researcher

2007-01-01 — 2009-01-01

Arecibo Observatory • Arecibo, Puerto Rico

Conducted research in cosmology and radio astronomy.

Requirements for University of California, Berkeley

Doctorate Program
Requirements
GPA Requirement
Required:3
GRE Subject
Overall Score
Required:500
Overall
Required:500
TOEFL
Total
Required:90
IELTS
Overall
Required:7
Prerequisites
Bachelor's degree or recognized equivalent Preparation comparable to undergraduate major at Berkeley in Mathematics or Applied Mathematics 2 full years lower-division work (Calculus, Linear Algebra, Differential Equations, Multivariable Calculus) 8 one-semester upper-division courses (Real Analysis, Complex Analysis, Abstract Algebra, Linear Algebra)
Application Checklist
  • Graduate Application
  • Statement of Purpose
  • Personal History Statement
  • Three Letters of Recommendation
  • Unofficial Transcripts
  • C.V./Resume
  • Course and Textbook List
Specialization Notes

The Mathematics Subject GRE is required for the Fall 2026 admissions cycle. General GRE is optional.