Professional Contributions

ACM Distinguished Awards Committee Member (2008 – 2011)
Editorial Board Member, IEEE Software (2008 – 2010)
Editorial Board, Transactions On Aspect-Oriented Software Development(2005-2008) 
Director, Sponsor – Student Technology Venture Challenge(2001-2008)
Founder, The Open Augment Consortium(2003-2005) 
Founding Director, Agile Alliance(2001-2003) 
Technical Program Chair, Agile Development Conference(2003)
Associate Editor, Journal of Object Technology (2003 – 2009) 
Chairman, Carleton University SCS Industrial Advisory Board(2000-2002 )
President AITO Germany (2000 – 2002), Board (1990 -)
Board, Ottawa Carleton Research Institute 1992-1994 
Advisory Board, Hotline on Object Oriented Technology, 1988-1991 
Associate Editor, Journal of Object Oriented Programming, 1988 - 1989 
Smalltalk Standards Group(1987-1988)
Smalltalk Moderator, Byte Information Network(1987-1989)
CHIPAC Advisory Board, Ottawa Public School Board(1986-1988) 
Founder the OCRI Distributed Computing Group(1986)
Algonquin College Advisory Board for Computer Science Technology, (1982-1985) 
Canadian Standards Committee on Database Management, 1980-82 
Interactive Computing Recommendations (Penn State Library, Bucknell University, Xerox RTCC, University of Tulsa) (1978 -1979) 
CIPS Ottawa Vice-President, President(1979-1983) 
Founder CIPS Special Interest Group in EDP Security(1979)
Chairman EXCHANGE, Xerox/Honeywell Computer Users Technical Committee (1974-1981) 
IEEE and ACM active member (1970-)

Conference Program Committees

JAOO/GOTO/YOW! (2005 -)
Dynamic Languages Symposium Steering Committee (2006 – 2013),
TOOLS 2007
Cascon 2006
ESUG 2006
OOPSLA/Splash (1996, 1997,1988, 1991, 1993, 1994, 1998, 2002, 2003, 2005, 2006 , 2010)
Onward (2004 – 2005, 2011),
Agile Next Generation Web (2005 – 2010),
Sixth Workshop on Business Process Modeling,
AOSD ‘2003,
Agile XP Universe(2002-2003)
OMG Integrate (2002-2003),
ECOOP (1989, 1991 - 1996, 2005)
ISOTAS (1996),
Reflections(1996),
TOOLS(1989, 1991),
OMG Object World (1990-1991),
Co-Chairman, OOPSLA/ECOOP (1990)
Program Chairman, CIPS National Conference (1983)