Basic Tree and Shrub Pruning
Presented at Los Angeles County Arboretum, Saturday 3-hour Workshops with hands-on training. January 25, 2014.

Tree Health from Nursery Sapling to Garden Specimen
Presented at Los Angeles County Arboretum Thursday Garden Talks. October 24, 2013.

What is a Tree Worth?
Presented at Inland Urban Forest Council Annual Workshop – “Trees Make Dollars and Sense” at the Riverside Corona Resource Conservation District, Riverside, California. June 13, 2013.

New Oak Threats Workshop
Workshop on the Care and Treatment of Common and New Threats to your Oaks. Huntington Library, Art Collections and Botanic Gardens, Friends Hall. January 12, 2013.

Urban Forest Master Planning
Presented at the Inland Urban Forest Council Annual Workshop – “Mature Tree Management” at the Riverside Corona Resource Conservation District. Riverside, California. October 30, 2012.

Tree Pruning and Care
Presented at Watershed Council Seminar ‘Landscaping Lightly’, Los Angeles County Arboretum, Ayres Hall, March 18, 2012. 250 attendees.

Ensuring Healthy Trees for the Urban Landscape
Presented at the Los Angeles and San Gabriel Rivers Watershed Council Seminar at Rancho Santa Ana Botanic Gardens, June 9, 2011