Tim Vieira


I develop machine learning algorithms for tough problems—tending toward applications in natural language processing and programming languages. When I'm not in front of a whiteboard or computer, I'm probably climbing things, walking around on my hands, or hanging out with Hanna Wallach and @maia.the.pomsky.

I'm working on my PhD with Jason Eisner. We're using reinforcement learning to speedup inference algorithms and developing the Dyna programming language. You can read more about our current proposal here!

I've also worked with Andrew McCallum on Rexa and Factorie; Dan Roth on Textual Entailment.


I move: jump, climb, balance, invert, you name it.

Follow my antics on Instagram.

Roller Derby

My alter ego, Mr. Sprinkles, played roller derby for many years.


In high school, I was big into snakeboarding.


The 5th Ave - my gorgeous '84 Fifth Ave purchased - installed the hydraulics myself!
The Big Bad Baby Blue Buick - hydraulics and gold spinning wheels.


Technical blog: Graduate Descent. Twitter: @xtimv.


Google Scholar profile