Co-founder
Lucas Lian
Handles deployment and infrastructure, and reviews new problems before they publish.
LinkedIn ↗About ProblemLab
ProblemLab gives math-curious students a clear way into competition math: real problems, an honest placement, and a daily plan that changes as they learn.
Our team
Co-founder
Harry Chen
Builds the product and the problem library, and is the one who answers when you report a problem.
Looking for competition partners
Prospective, not existing
Run a local or national math competition?
We're proposing a free pilot to our first partners — see the terms and reach out.
Resources we link to
When a hint and a worked solution aren't enough, we point students to free outside lessons on the exact skill a problem tested. Khan Academy is not affiliated with or endorsing ProblemLab — we simply link to their public lessons as a study resource.
Khan Academy
Free video lessons we link out to for extra practice on a topic.