I am a second-year Master's student at U.C.L.A. and member of Sandia's Critical Skills Master's Program. I am co-advised by Guy Van den Broeck and Todd Millstein. My research interests include:

  • Machine Learning
  • Probabilistic Programming
  • Program Analysis
  • Computer Security

I would love to hear from you:


  1. May 2017. I am honored to receive the UCLA Oustanding Master's Student award.
  2. Aug. 2016. Our IROS 2016 paper was accepted.
  3. Our work was featured in the Daily Bruin Prime magazine. Link.
  4. Sept. 2015. Our AAAI Fall Symposium Series paper was accepted.
  5. Feb. 2015. Received NPSC Fellowship. Fully funds my Master's degree.


Inferring Human Intent from Video by Sampling Hierarchical Plans (pdf)

Steven Holtzen*, Yibiao Zhao*, Tao Gao, Josh Tenenbaum, Song-Chun Zhu.

IEEE International Conference on Intelligent Robots and Systems, (IROS 2016)
Represent and Infer Human Theory of Mind for Human-Robot Interaction (pdf)

Yibiao Zhao, Steven Holtzen, Tao Gao, Song-Chun Zhu

2015 AAAI Fall Symposium Series.
Classification system with methodology for efficient verification (link)

David Lisuk, Steven Holtzen

U.S. Patent #9390086



  • Sept. 2015 – Present.
    M.S., Computer Science. UCLA.
  • Sept. 2011 – Jun. 2015.
    B.S., Computer Science. UCLA.


  • July 2015 – Present.
    Sandia National Laboratories. Member of technical staff in the department of Cyber Data Analytics.
  • June 2014 – Sept. 2014
    Palantir Technologies. Forward Deployed Engineering Intern on the Healthcare Team (Helix).
  • Apr. 2013 – Sept. 2013
    Symantec Corporation. Security technology and response team intern.

Awards & Honors