Prof. A. J. Wallard is a member of the Scientific Council of the National Institute of Metrological Research (INRIM), Turin; a member of IUPAC's Interdivisional Committee on Terminology, Nomenclature and Symbols (ICTNS); a member of IUPAP-C2 Commission on Symbols, Units, Nomenclature, Atomic Masses and Fundamental Constants (SUNAMCO); and a member of the advisory committee of the Institute for National Measurement Standards (INMS) of the National Research Council of Canada. He is a Visiting Professor in the Institute of Mathematics and Physical Sciences of the University of Wales at Aberystwyth. Until October 2005 when his term ended he was Vice President for Membership and Qualifications of the Institute of Physics (IOP, UK), a member of IOP Council, Chair of their Membership and Qualifications Board, and a member of its Professional Standards Committee. He is a member of the Board of NCSL International (NCSLI), a member of the Scientific Academy of Turin; and Chairman of the Joint Committee of the Regional Metrology Organizations and the BIPM (JCRB) and the Joint Committee for Guides in Metrology (JCGM).

Dr C. Thomas is a member of the Cabinet scientifique des Secrétaires perpétuels de l'Académie des Sciences de Paris. In this context, she is a member and acts as the Scientific Secretary of the Academy's permanent committee Science et Métrologie. Dr Thomas is a member of the Organizing and Scientific Committees of the International Congress of Metrology 2009. She acts as BIPM Liaison for the CODATA Task Group on Fundamental Constants (TGFC). She is also Executive Secretary of the Consultative Committee for Units (CCU).

Please refer to the Electricity Section.

Please refer to the Mass Section.