since 2008: Elected fellow of the Mineralogical Society of Great Britain and Ireland (FMS)

since 2008: Elected fellow of the Geological Society of London (FGS)

since 2008: Elected member of the Swedish Geological Association (SGA)

since 2007: Fellow of Trinity College Dublin (FTCD)

since 2007: Member Int. Assoc. Volcanol. & Chem. Earth's Interior

since 2007: Member of the European Geosciences Union

since 2005: Member of the Geochemical Society

2002 - '08: Member of the Irish Geological Association

since 2000: Member of the American Geophysical Union

since 1999: Member of the German Mineralogical Society

since 1997: Member of the Mineralogical Society of Great Britain & Ireland