• Professor, Linguistics, Concordia University, 2008-present.
• Visiting Professor, Linguistics, University of California at Berkeley, Summer 2009 (Linguistic Society of America Summer Institute).
• Interim Chair, Department of Classics, Modern Languages and Linguistics, Concordia University, 2008-2009.
• Visiting Professor, L'Ecole des Hautes Etudes en Sciences Sociales, Centre de recherches linguistiques sur l'Asie orientale, Summer 2008.
• Visiting Professor, University of Michigan, Winter 2006.
• Visiting Professor, Massachusetts Institute of Technology & Harvard University, Summer 2005 (Linguistic Society of America Summer Institute).
• Visiting Professor, University of Michigan, Winter 2002.
• Visiting Professor, University of Michigan, 2000-2001.
• Visiting Professor, McGill University, Fall 1999.
• Visiting Professor, Harvard University, Summer 1999.
• Visiting Professor, Cornell University, Summer 1997 (Linguistic Society of America Summer Institute).
• Visiting Professor, Harvard University, Summers 1995-97.
• Associate Associate Professor, Linguistics, Concordia University, 1994-2008.
• Visiting Professor, Institut für indogermanische und allgemeine Sprachwissenschaft, Universität Wien, Spring 1994.
• Associate Professor, Department of Linguistics, Harvard University, 1990-94.
• Visiting Professor, Institut für indogermanische und allgemeine Sprachwissenschaft, Universität Wien, Spring 1991.
• Assistant Professor, Department of Linguistics, Harvard University, 1987-1990.
• Teaching Assistant, Department of Linguistics, Harvard University, 1982-1986.
• Teaching Assistant, Department of Linguistics, Indiana University, 1979-1980.

Aspects of Rotuman Phonetics: Implications for Rotuman Phonology (with M. Kissock), 19th Manchester Phonology Meeting, Manchester, UK, May 19-21, 2011.

Is Harmonic Serialism Serial Enough? (with M. Kissock), Old World Conference on Phonology 8, Marrakech, Morocco, January 16-22, 2011.Download slides

Introduction to Linguistic Science (with M. Kissock).  Concordia University ms. Fall 2010 edition.

Rotuman Metathesis: Establishing Order (with M. Kissock), 18th Manchester Phonology Meeting, Manchester, UK, May 20-22, 2010.

Rotuman Phase Distinctions: Phonology and Syntax (but not Semantics), (with M. Kissock) 11th International Conference on Austronesian Linguistics, Aussois, France, June 22-26, 2009.Download handout

The Phonetics-Phonology Interface and the Acquisition of Perseverant Underspecification, (with M. Kissock) in The Oxford andbook of Linguistic Interfaces, G. Ramchand and C. Reiss (eds.), Oxford: Oxford University Press, 81-101, 2007.Download ms. version

Microvariation, Variation, and the Features of Universal Grammar, (with M. Kissock and C. Reiss), Lingua 117:4:645-665, 2007.Download ms. version

Underspecification: Neutralization, and Acquisition, (with M. Kissock), 13th Manchester Phonology Meeting, Manchester, UK, May 26-28, 2005.Download handout

Underspecification, Markedness, and the Acquisition Process, (with M. Kissock and C. Reiss), 6e Journées Internationales du Réseau Franèais de Phonologie, Orléans, France, June 3-4, 2004.Download Handout