I am an associate research scientist in the Center for Computational Learning Systems at Columbia University, and I teach in Computer Science.  Previously, I was a postdoc with Sanjoy Dasgupta, in Computer Science and Engineering at UC San Diego.

Ph.D. '06, S.M. '03, EECS, MIT.

Advisor: Tommi Jaakkola, at CSAIL.

A.B. EPS, Harvard.

Research focus: machine learning.

Theory and algorithms:     

1. Learning with online constraints
   

2. Active, semi-supervised, and unsupervised learning
   

3. Privacy-preserving machine learning
   

4. Embeddings, sparsity, and high-dimensionality
   

Applications:

1. Climate science, energy conservation
   

2. Computer networks, computer vision
   

3. Finance