LinkedIn Corporation, Sunnyvale, CA (October 2018-present)

Software Engineer - Data Analysis/Data Mining/Machine Learning

  • Anti-Abuse Artificial Intelligence team
Stanford University, Stanford, CA (September 2011-August 2018)

Research Assistant

  • Built Fortran and Python pipelines to process and organize 48 TB of raw seismic time-series data
  • Implemented signal processing techniques to identify temporal and spatial patterns in continuous raw seismic data
  • Developed parallelized code to separate coherent spatial signals from noise
  • Performed conjugate gradient optimization and hyperparameter exploration analysis for a weighted least squares problem to generate high-resolution models of subsurface velocity structure, which are critical for earthquake hazard analysis and continuous subsurface monitoring
ExxonMobil Corporation, Houston, TX (June 2016-September 2016)

Research Intern

  • Created MATLAB code to model the effect of broadband seismic technology on critical hydrocarbon indicators and compared results to field data
  • Predicted reservoir rock properties from spatial well log data using rock physics models
  • Presented findings and outlined suggestions for improved evaluation of new technology to a company-wide audience, including team supervisors and managers
e4sciences | Earthworks, LLC, Sandy Hook, CT (July 2014-September 2014)

Research Intern

  • Leveraged open-source software to manage seismic data and model subsurface structures
  • Developed Python script to shorten the time between acquisition and quality control of seismic data
  • Contributed visualization and interpretation of results to final written reports distributed to clients
Lawrence Berkeley National Laboratory, Berkeley, CA (August 2011-September 2011)

Student Assistant

  • Developed a MATLAB script for visualization of 3D magnetotelluric inversion results
  • Produced a thorough user’s manual for the software
NSF International Research Experiences for Students, New Zealand (April 2011-May 2011)


  • Investigated whether changes in magnetotelluric phase tensors over time were due to changes in the subsurface or due to measurement errors
  • Performed geophysical field work in the Taupo Volcanic Zone
Berkeley Seismological Laboratory, Berkeley, California (April 2010-March 2011)

Assistant Researcher

  • Compared measured P and PcP arrivals from earthquake events in South America with modeled arrival times to investigate D” layer anisotropy in the quasi-southern hemisphere
  • Created internal document to facilitate continuation of the project
Jet Propulsion Laboratory, La Cañada Flintridge, California (June 2009-August 2009)

Research Intern

  • Quantified the macroscopic surface texture of Enceladus' south polar region using intensity scans measured by the Cassini spacecraft
  • Leveraged results to infer the physical composition of expelled plume material and the geologic evolution of this moon


PhD, Geophysics, Stanford University (2011-2018)
  • Thesis: "Imaging with ambient seismic noise: Beyond surface-wave microseisms"
  • Advisor: Biondo Biondi
BA, Geophysics, University of California, Berkeley (2006-2010)

  • Minor: Physics
  • Awards: Earth and Planetary Science Departmental Citation


  • Chang, Jason P., Sjoerd AL de Ridder, and Biondo L. Biondi. "High-frequency Rayleigh-wave tomography using traffic noise from Long Beach, California." Geophysics 81.2 (2016): B43-B53.
  • Nakata, Nori, Jason P. Chang, Jesse F. Lawrence, and Pierre Boué. "Body wave extraction and tomography at Long Beach, California, with ambient‐noise interferometry." Journal of Geophysical Research: Solid Earth 120.2 (2015): 1159-1173.


  • Chang, Jason P., "Multicomponent ambient noise crosscorrelation at Forties." SEG Technical Program Expanded Abstracts 2016. Society of Exploration Geophysicists, 2016. 2709-2714. (Oral Presentation)
  • Chang, Jason P., and Biondo Biondi. "Rayleigh-wave tomography using traffic noise at Long Beach, CA." SEG Technical Program Expanded Abstracts 2015. Society of Exploration Geophysicists, 2015. 2424-2429. (Oral Presentation)
  • Chang, Jason P., and Rosemary J. Knight. "Resolving Lithological Units in the Vadose Zone from Temporal Changes in Electrical Conductivity." AGU Fall Meeting Abstracts, 2014. (Poster Presentation)
  • Chang, Jason P., Sjoerd de Ridder, and Biondo Biondi. "Power spectral densities and ambient noise cross-correlations at Long Beach." SEG Technical Program Expanded Abstracts 2013. Society of Exploration Geophysicists, 2013. 2196-2200. (Oral Presentation)


Stanford University
Teaching Assistant
  • 3D Seismic Imaging (Spring 2015)
  • Basic Earth Imaging (Fall 2016)


  • Programming:
    • Proficient: Python, SQL, Fortran, MATLAB, Make
    • Developing: Scala, R, C, C++
  • Software Development: Git, Docker
  • Operating Systems: Linux/Unix, Mac OS X, Windows


  • American Geophysical Union (2009-2017)
  • Society of Exploration Geophysicists (2011-2017)
    • President of the Stanford SEG student chapter (2012)