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Human-Machine surrounding over a table discussing

Ti-Chung Cheng

def decision(human, machine):

I’m a Ph.D. candidate at UIUC, working in HCI and CSCW under the guidance of Prof. Karrie Karahalios and Prof. Hari Sundaram. I currently study Quadratic Surveys, a method for eliciting individual preferences for collective action. More broadly, my research investigates tools for collective decision-making and Human-AI interaction. Check out my CV or learn more about me.

If you are a master’s or undergraduate student at UIUC interested in research, feel free to send me an email.

I'm on the job market!

I am an Applied Researcher Bridging AI & Engineering into Practical Applications
I am a Software Engineer Building Complex Systems into Scalable Products
I am a UX Designer Blueprinting AI Experiences into Decision-Support Tools

Recent News

    • 2025/06/09 — My Undergraduate student mentee, Pranay Midha’s poster on the first step to visualizing Quadratic Surveys is accepted as a poster at CI 2025. Can’t wait to share our preliminary findings with you.
    • 2025/05/20 — So….why does Quadratic Voting and Quadratic Surveys work? Our latest findings will be presented at CI 2025 in August 2025 and you can take a read here. Let’s chat in San Diego if you are there!
    • 2025/01/17 — The first paper on designing and validating interface for Quadratic Surveys (and also Quadratic Voting) will be presented at CHI 2025. The full paper can be found here.
    • 2025/01/10 — 7th semester with CS411 Database Systems for Spring 2025.
    • 2025/12/16 — Check out here! I can finally officially annouce Here@Illinois as the coolest tool for staffs to manage their courses and events!
    • 2024/08/27 — My internship project at Microsoft Research with the Software Analysis and Intelligence in Engineering Systems (SAINTES) Group is now readable through this tech report where I outline my iterative prompt priming approach for Generative Expert Metric Generation with Large Language Models.
    • 2024/05/01 — I am honored to recieve my second Outstanding Teaching Assistant Award from the CS Department in addition to the campus wide TA ranked as excellence recognition for CS598SPH/SMC Research Methods in HCI that I TAed in Fall 2023!
    • 2024/02/05 — Returning to Microsoft Research as a research intern during spring 2025 mentored by Madeleine under Special Projects! Hope to share interesting findings soon.

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