Not comprehensive, just the results of a quick pearl dive:
He's apparently just completed a workshop in the
Fechin Art Workshops program near Taos, NM, and will repeat it in August.
He was at
Scottsdale in April, but unfortunately does not appear to be returning there in 2004.
Multiple 5-day workshops at the
Art Students League in June.
Talk and workshop tentatively scheduled July 6 in Ventura, CA.
July 12-16 at
Laguna Beach, CA
October 4-8 at
Loveland Academy.
Plan ahead, March 28-April 1, 2005, at
Fredericksburg Artists School, in Fredericksburg,
Texas, 75 miles west of Austin.
Signilar has some nice video instruction from Leffel.
A number of other
books, videos, and CDs are available as well.