Signature Memberships:
- Allied Artists of America, Active Membership awarded in 2007
- Allied Artists of America, Invited Member
- American Watercolor Society, Signature Membership awarded in 1997
- American Watercolor Society Dolphin Fellowship, awarded in 1998
- American Watercolor Society Board Member, 2016-2020
- American Watercolor Weekly Advisor 2018-2020
- Australian Watercolor Institute Signature Membership
- International Masters of Watercolour Association Founding Member, appointed president in 2019
- Jiangsu Watermedia Research Institute, China Honorary Membership awarded in 2007
- Lake Superior Watercolor Society, Founding Member
- Midwest Watercolor Society/Transparent Watercolor Society of America, 1980
- Midwest Watercolor Society Master Status, awarded in 1999
- Missouri Watercolor Society Signature Membership, 2003
- National Watercolor Society Signature Membership, awarded in 1997
- Pennsylvania Watercolor Society Signature Membership awarded in 2003
- San Diego Watercolor Society Signature Membership awarded in 2009
- Texas Watercolor Society Signature Membership awarded in 2004
- Transparent Watercolor Society of America Signature Membership awarded 2004
- Transparent Watercolor Society of America Distinguished Master, 2016
- Watercolor USA Honor Society, awarded in 1999
- Watercolor West Signature Membership awarded in 2001
Board Memberships:
- American Watercolor Society Director, 2002-2004
- Midwest Watercolor society/Transparent Watercolor Society of America, Nominating Chair 2000-2005
- American Watercolor Society board member, 2015-ongoing