Welcome.
I am Assistant Professor in the Department of Statistics at Columbia University. My main research interest are the statistics of discrete objects and structures: permutations, graphs, partitions, binary sequences. Most of my recent work concerns representation problems and latent variable algorithms in Bayesian nonparametrics. More generally, I am interested in all mathematical aspects of machine learning and artifical intelligence.
I was a student of Joachim M. Buhmann at ETH Zurich, and a Research Fellow in the Machine Learning Group of Zoubin Ghahramani at the University of Cambridge.

porbanz@stat.columbia.edu 

1031 SSW 