Alden Hallak

Software Engineer @ Google DeepMind

People + AI Research (PAIR) — New York, NY

I'm a software engineer on the People + AI Research (PAIR) team at Google DeepMind, where I build systems for studying how people and AI interact.

Research

Real-Time Group Dynamics with LLM Facilitation: Evidence from a Charity Allocation Task
Parisi, Thain, Hallak, Tsai, Qian — ACM FAccT 2026 · arXiv · Google Scholar

Projects

I made Draw a Fish (drawafish.com), a collaborative drawing game where a CNN I trained decides whether your drawing counts as a fish. It hit #1 on Hacker News and was covered by The Verge, Boing Boing, and GIGAZINE.

Before that, I co-created PERCEPT (demo · testimonial), an indoor-navigation system for the visually impaired that began at a Google Accessibility Hackathon and became a finalist in the MIT Lemelson student competition and a semifinalist for the Penn Innovation Prize.

A portfolio of my favorite websites I've built lives at aldenswebsites.com, and I write about my projects on my blog.