Ph.D. 1996 University of Pennsylvania Computer and Information Science M.S.E. 1993 University of Pennsylvania Computer and Information Science A.B. 1987 Harvard University Computer Science (summa cum laude)
Treasurer, The Association for Computational Linguistics
Secretary-Treasurer, SIGDAT, The ACL SIG for statistical/data-driven methods in NLP (and instiutional organizer of EMNLP) (1993-2012)
Executive Committee Member, The Association for Computational Linguistics (2000-2003)
Editorial Board Member, Computational Linguistics (1996-1999)
General Chair, Conference on Empirical Methods in Natural Language Processing (EMNLP 2013).
Program co-Chair, International Joint Conference on Natural Language Processing (IJCNLP 2011)
Local Chair, 52nd Conference of the Association for Computational Linguistics (ACL 2014).
Program co-Chair, HLT-2002, Conference on Human Language Technology
Publications Chair, ACL 2000, EMNLP 2001, ACL 2003
Program co-Chair, ACL Joint Workshop on Social Dynamics and Personal Attributes in Social Media (2014).
Program co-Chair, 3rd Workshop on Very Large Corpora (WVLC3) (1995)
ACL Fellow, Association for Computational Linguistics (2013-)