I am an assistant professor in the Department of Computer Science at University of Maryland, College Park. I direct the Human-Data Interaction Research Group, whose mission is to support interactive data analysis and data-driven visual communication through human-centered techniques and systems.

If you are an undergraudate or Master's student at UMD looking for research opportunities with me, please read this page first.


Featured Projects

Manipulable Semantic Components
Scene-centric data visualization grammar designed to support the generation, transformation, and analysis of expressive charts
Visual Analytics of Event Sequences
Frameworks, techniques, and systems to support interactive visual analysis of event sequence data in different domains


  • Department of Computer Science
  • Brendan Iribe Center for Computer Science and Engineering
  • University of Maryland
  • 8125 Paint Branch Drive
  • College Park, MD 20742

Email: leozcliu at umd.edu
CV (updated 12/20/2023)
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Travels and Talks

  • May. '24: ACM CHI
    Honolulu, HI
  • Oct. '23: Stanford University
    HCI Seminar
  • Sep. '23: Virginia Tech
    Falls Church, VA
  • Aug. '23: HFES Webinar
  • Jun. '23: EuroVis
    Leipzig, Germany
  • Apr. '23: MIT
    Cambridge, MA