Member of the Steering Committee. SCAR-Antartic Climate Evolution (ACE) Program. 2004-Present. Member of the Integrated Ocean Drilling Program (IODP) Site Survey Panel (SSP) in representation of the European Consortium for Ocean Research Drilling (ECORD). 2004-present. Associated Editor Editorial. Board of the Journal for Sedimentary Research (JSR). 200-Present. Member of the Ocean Drilling Program (ODP). Editorial Review Board (ERB). 1998-Present. Member of the American Geophysical Union (AGU). 1998- Present. Member of the Society for Sedimentary Geology (SEPM). 1998-Present. Member of SCAR Scientific Program Planning Group-Antarctic Climate Evolution (ACE) September 2001-2004. Coordinator of the ANTOSTRAT (Antarctic Acoustic Offshore Stratigraphy) Project Wilkes Land Regional Working Group, 1995-2002. Panelist at the ANTIME (Late Quaternary Sedimentary Glacial History Record of Antarctic Ice Margin Evolution) Project workshop. Hobart, Tasmania, July 1997. Panelist at the ANTOSTRAT (Antarctic Acoustic Offshore Stratigraphy) Project workshop. Hobart, Tasmania, July 1997.