American Association of Woodturners since 2000

California Contemporary Crafts Association Master Member since 1989
  - President 1999 to present
  - Board of Directors 1989 to present

The Furniture Society since 1998

Collectors of Wood Art since 1998

American Craft Council since 1987

Sonoma County Woodworkers Association since 1982
  - Guild Member since 1983
  - Chairman, 1987 & 1988
  - Program Director, 1989 & 1990
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