Ryan Rubenzahl
Flatiron Research Fellow
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolRyan Rubenzahl is a Flatiron Research Fellow and postdoctoral astrophysicist with nine years of experience probing exoplanets using extreme-precision radial velocity (EPRV) spectroscopy and leveraging the Sun as a calibration standard. He completed a Caltech PhD focused on developing a solar calibrator for the Keck Planet Finder and advancing measurements of exoplanet obliquities, blending instrument-focused data analysis with population-level science. Based in New York at the Simons Foundation’s Center for Computational Astrophysics, he brings hands-on expertise with high-resolution spectra, statistical classification, and simulation tools across Python and C++. Ryan’s background includes building robust ML classifiers for transient detection and modeling high-energy astrophysical sources, reflecting a rare mix of observational technique, instrument calibration, and computational rigor.
9 years of coding experience
3 years of employment as a software developer
California Institute of TechnologyBachelor of Science, Physics and Astronomy, 3.96/4.00, Bachelor of Science, Physics and Astronomy, 3.96/4.00 at University of RochesterNYS Regents Diploma with Advanced Designation, NYS Regents Diploma with Advanced Designation at Lowville Academy and Central School
Github Skills (13)
modeling-tool8
state-space7
orbital-mechanics7
spectral7
orbit7
astrology7
cosmology6
astronomy6
astrophysics5
spatial5
gaussian-processes4
python3
jax1
Programming languages (2)
Github contributions (5)
rrubenza/academic-kickstart
Nov 2018 - Oct 2023
Easily create a beautiful website using Academic and Hugo
Contributions:8 pushes in 4 years 11 months
hugohugo-theme
smolgp-dev/smolgp
Nov 2025 - May 2026
Gaussian Process State Space Models in Python/JAX
Contributions:1 release, 77 pushes in 6 months
gaussian-processesjaxpythonstate-space
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