American Planning Association - National, WA & ID Chapters and Inland Empire Section
-Virginia Chapter, 2001-2003
Urban & Regional Information Systems Association - WA Chapter (waurisa.org) & National (urisa.org)
Northwest GIS Users Group (nwgis.org)
American Society of Photogrammetry and Remote Sensing (asprs.org)
Central Washington GIS Users Group (cwgis.org) 2003-2004
American Congress on Surveying and Mapping (ACSM) 2001-2003
Virginia Association of Mapping & Land Information Systems (vamlis.org) 2000-2003