Professional services

• Hunter College (CUNY)

• Association of American Geographers (AAG)

• BayGeo

• California Geographic Information Association

• Federal Geographic Data Commission (FGDC)

• GeoTech Center

• GIS Certification Institute (GISCI)

• University Consortium for Geographic Information Science (UCGIS)

• Urban and Regional Information Systems Association (URISA)

• Transportation Research Board, National Academy of Sciences, Engineering and Medicine

International activities

• Delegate to the Economic and Social Council (ECOSOC) of the United Nations, 2013-16

• Delegate to the ISO Technical Committee 211 Standardization of Geographic Information, 1997-2000