Director, Intelligent Systems Program, University of Pittsburgh, 2004-08 (Co-Director, 2002-04).

Faculty Representative, Student Research Workshop, ACL 2008

Member University Undergraduate Council, University of Pittsburgh 2007-2009

Program Co-Chair, 2004 AAAI Spring Symposium: Exploring Attitude and Affect in Language (EAAT-2004)

Co-Editor: "Computing Attitude and Affect in Text" James G. Shanahan, Yan Qu, Janyce Wiebe (Eds.) Springer, Dordrecht, The Netherlands, 2005

Member of Executive Board, 2004-06 and 2000-01 North American Chapter of the Association for Computational Linguistics (NAACL) .

Member of Editorial Board, 2004-06, Language Resources and Evaluation

Member of Editorial Board, 2001-03, Computational Linguistics .

Program Committee Chair, 1st Conference of the North American Chapter of the Association for Computational Linguistics (NAACL 2000)

Workshop Program Co-Chair, AAAI-2002 .

Vice-Chair, 1998-1999, ACM Special Interest Group on Artificial Intelligence (SIGART)

Organizing and Program Committee Chair, 1998-1999, ACM-SIGART/ AAAI Doctoral Consortium

Local Arrangements Chair, 32nd Annual Meeting of the Association for Computational Linguistics (ACL-94) .