Insalaco/Vinson - October 2007,
Civita Castellana, Lazio Italy
Insalaco/Vinson
- September 2004, San
Gimignano, Tuscany Italy
Scott Christensen
(10-day intensive) - May 2004, Wyoming
Skip Whitcomb
- March 2004, Arizona
Wm. Scott Jennings
- May 2000, Arizona
Ray Roberts -
February 2000, Arizona
Ralph
Oberg - December 1999, Arizona
Albert
Handell - August 1999, Maryland
Matt
Smith - May 1999, Texas
Barbara
Gough Nuss - August 1998, Pennsylvania
Kevin
Macpherson - September 1997, New York; September 1998, Virginia
Morgan
Samuel Price - May 1996, New Mexico
Artists for Conservation
Landscape
Artists International
Washington
Society of Landscape Painters, Washington, D.C. (President,
2003-2005)
Oil
Painters of America
Allied
Artists of America
National
Academy of Professional Plein Air Painters