Jeffrey Oh

Hi, I’m Jeffrey. I research and design with the user first.

Mixed-methods UX researcher with an M.S. in Informatics (HCI) from Penn State, published in ACM’s HCI proceedings.

View my work About me
Jeffrey in a graduation gown, smiling and holding a bouquet of flowers above his head outside a stadium.

Selected work

All case studies

  • Venmo Groups

    A group payments feature for Venmo, so one request settles a shared bill.

    • Mobile
    • UX research
    • Prototyping

  • Terra

    A home gardening assistant that keeps plant care simple for every skill level.

    • Mobile
    • End to end
    • Card sort

  • Lost Ark Forums

    A mobile redesign of a game forum with over 100,000 concurrent users.

    • Mobile web
    • Redesign
    • Usability testing

  • Zeit

    Brand and e-commerce website for a fictional time travel company.

    • Web
    • Branding
    • E-commerce

Research and projects

All projects

  • Dark Pattern Framework

    A practical framework for mobile games, from 30+ interviews and 954 qualitative codes.

    HCI research

  • Twitter Bot Sentiment

    Separating likely-bot from likely-human sentiment in political tweets, in Python.

    NLP research

  • EV Battery Agent

    An AI agent that predicts which EV batteries will fail, and explains why.

    AI, Python

  • Trading Bot

    A paper-trading bot for the S&P 500, designed safety first.

    Python, Automation

Never dive right into designing. The first step is to always ask questions.

My first rule as a designer

I’d love to work with you.

I’m always eager to learn and to work together to create something larger than myself.

jeffrey.oh.hci@gmail.com