Lafferty has held many positions, including: 1) program co-chair and general co-chair of the Neural Information Processing Systems (
NIPS) Foundation conferences; 2) co-director of CMU's new Ph.D. Machine Learning Ph.D. Program; 3) associate editor of the
Journal of Machine Learning Research and the Electronic Journal of Statistics; and 4) member of the Committee on Applied and Theoretical Statistics (CATS) of the National Research Council. He has also received numerous awards, including two Test-of-Time awards at the
International Conference on Machine Learning (ICML) 2011 & 2012, classic paper prize of ICML 2013, and Test-of-Time awards at the Special Interest Group on Information Retrieval (SIGIR) 2014. == Selected works ==