Elected Chair, Map and Spatial Data Use Commission, International Cartographic Association, 1991 - 95

Elected President of Illinois GIS Association, 1999 - 2000

Elected to the Board of Directors, Illinois GIS Association, 1994 - 97

Chair, ILGISA Nominations Committee, 1997

Chair, ILGISA Education Committee, 1995 -

Chair, ILGISA Honors Committee, 1995

Member of the Program Planning Committee, GIS in Illinois Conference, 1991, 1992, 1993, 1994

Member of the Program Planning Committee, SIGUCCS Management Conference, 1992, 1993

Chair, U. S. National Committee of the International Cartographic Association, 1988-92,

Member of the U. S. National Committee, 1984-87.

Chair of the U. S. Papers Committee for the ICA for the 1984 and 1987 International Conferences.

Co-Chair, Joint Education Committee, American Congress on Surveying and Mapping / American Society for Photogrammetry and Remote Sensing, 1985-1988.

Elected Director, American Congress on Surveying and Mapping, 1984-1987.

Nominated for Vice-President of ACSM, fall 1987

Elected Director, American Cartographic Association, 1977-1979.

Member, ACA Committee on Map Projections and the Media, 1985 - 1991

Presidential Citation, American Congress on Surveying and Mapping, March 1980, for ". . . unusual accomplishments in the presentation of workshops on automated cartography."

President, East Tennessee Chapter, American Meteorological Society, 1979.