2002-2006 American School of Classical Studies at Athens, Gennadius Library Committee: Chair
2000-present Archaeological Institute of America: Member of various committees (Monographs, Professional Responsibilities, Governance, Eastern European/FSU, Teaching Award, Lecture Program, Newsletter Advisory)
1999-2003 Archaeological Institute of America: Board Member and Academic Trustee
1999-2001 Archaeological Institute of America-Canada,Vice-President
1999-present American School of Classical Studies at Athens, Member of Managing Committee
1997-2001 Lexicon Iconographicum Mythologiae Classicae (LIMC), Representative for Canada on the Board of the LIMC Foundation
1997-2001 Lexicon Iconographicum Mythologiae Classicae (LIMC), Member of the LIMC Scientific Committee
1996-1999 Archaeological Institute of America-Canada, Member of the Governing Board
1993-2001 Archaeological Institute of America, Winnipeg Society, President
1991-1993 Classical Association of Manitoba, President