2012: ICRS 12 and RPSD 2012, Nara, Japan

2010: Topical in Las Vegas, Nevada USA (19-23 Apr 2010)

2009: Co-Sponsor M&C 2009, Saratoga Springs, New York USA (03-07 May 2009)

2008: RPSD 2008 – ICRS 11, Callaway Gardens, Georgia USA (13-18 Apr 2008)

2006: Topical in Carlsbad, New Mexico USA

2005: Co-Sponsor Monte Carlo 2005 (April 17-21)

2004:RPSD 2004 – ICRS 10, Madeira, Portugal

2002: Topical in Santa Fe, NM (April 14-17)

2000: Topical in Spokane,WA (September 17-21)

1998: Topical in Nashville, TN (April 19-23)

1996: Topical in Falmouth, MA (April 21-25)