Some Operator Algebras conferences; the list is both too broad and incomplete...

For other (better?) lists, see those by Narutaka Ozawa, Paulo Pinto, or Chris Phillips.

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996