American Chemical Society

Sigma Xi

Editorial Advisory Board of Chromatographia, 1981 present

Editorial Advisory Board of Journal of High Resoln. Chromatogr./Chromatogr. Commun., 1983

Editorial Board of Journal of High Resoln. Chromatogr./Chromatogr. Commun., 1983 1988

Editorial Advisory Board of LC-GC, 1985-1987

Editorial Advisory Board of Journal of Supercritical Fluids, 1988-1999

Editor of Journal of Microcolumn Separations, 1989-2001

Editorial Advisory Board of Polycylic Aromatic Compounds, 1989-2002

Editorial Advisory Board of Field Analytical Chemistry and Technology, 1996-2001

Scientific Organizing Committee of International Symposia on Capillary Chromatography, 1983-present

Scientific Organizing Committee of International Symposia on Microcolumn Separations, 1987-1990

Chairman of Organizing Committee of International Symposia on Supercritical Fluid Chromatography, 1987-1991

Chairman of Organizing Committee of International Symposia on Capillary Chromatography and Electrophoresis, 1995-2005

Editorial Advisory Board of Analytical and Bioanalytical Chemistry, 1999-2003

Editorial Advisory Board of American Pharmaceutical Review, 2000-2002

International Advisory Board of the Mediterranean Separation Science Foundation Research and Training Center, 2005-present

Editorial Advisory Board of Analytical Chemistry, 2009 - present