- Executive Board Member, International Society for Aeolian Research (2016-)
- Member, National Executive, New Zealand Geographical Society (2014-)
- Member, International Society for Aeolian Research (2014-)
- Member, Coastal Education and Research Foundation (CERF) (2005-)
- Co-convener (with Professor Paul Kench, Auckland University), New Zealand Coastal Forum (2007-) an annual or biennial meeting of coastal geomorphologists based in New Zealand universities to foster collaboration and collegiality
- Member, New Zealand IGBP Committee of the Royal Society of New Zealand. (IGBP - International Geosphere-Biosphere Program), LOICZ (Land Ocean Interactions in the Coastal Zone) Representative (Jan 2003-2007)
- Member, Executive Management Committee of the New Zealand Coastal Society (Institute of Professional Engineers NZ) (Oct 2004-2006).
- Member, New Zealand Coastal Society (2000-)