Arboriculture Boot Camp 2016.


Passing the ISA Certified Arborist exam might get you a better job…
Studying for it makes you better at the one you have now!


See you at Arboriculture Boot Camp!


Prepare for the ISA Certified Arborist Exam, or improve your own professional knowledge. Get motivated, get thinking, and network with other dedicated professionals! ISA, DPR CEUs applied for. Class is taught in English. 

Discounted registration before May 2 for individuals and groups! Full registration covers 6 class meetings (4 evening classroom days and 2 field days), and includes the current ISA Certified Arborist Exam Study Guide. Registration for individual days opens on May 2, 2016.

 Last day of class is July 13, a few days before the July 16 Certified Arborist exam in Concord, CA. (NOTE: Registering for this class does not register you for the exam. You must register directly with ISA at


Wednesday June 8, 6 to 9 pm, The Women’s Building,
Audre Lorde Room (2nd floor) 3543 18th Street, San Francisco
Test Psychology
Urban Forestry with Chris Buck

Saturday June 18, 9 am to 1 pm, Markham Nature Park,
1202 La Vista Avenue, Concord
Soils/Water/Nutrition with Steven Andrews
Climbing/Safe Work Practices with John Traverso

Wednesday, June 22, 6 to 9 pm, The Women’s Building, SF
Trees and Construction

Wednesday, June 29, 6 to 9 pm, The Women’s Building, SF
Diagnosis and Treatment with Larry Costello
Tree Selection

Saturday July 9, 8:30 am to 12:30 pm, SF Botanical Gardens, 9th Avenue at Lincoln Ave, San Francisco
Tree ID with Dawn Kooyumjian
Risk Assessment

Wednesday Jul 13, 6 to 9 pm, The Women’s Building, SF
Installation and Establishment
Mock Exam/Review

Note: Schedule subject to change

Guest Speakers

Ellyn Shea (Organizer, Instructor) is a Certified Arborist, Certified Tree Risk Assessor, Registered Consulting Arborist, Bay Friendly gardener and horticultural educator. Her diverse professional background includes landscape gardening, bookkeeping, teaching abroad, community urban forestry and arboricultural consulting. Over the last 15 years she has been involved in a number of educational projects including articles, blog posts, presentations and workshops, instructional videos and podcasts. She is particularly proud of having partnered with Dr. Larry Costello on the 2012 instructional video Training Young Trees (available on YouTube) and having finally written a Detective Dendro article, published in the June 2015 issue of Arborist News. She contributes regularly to the blog.

Stephen Andrews (Soil/Water/Nutrition) is a soil scientist, educator, and natural resources consultant specializing in the development of landscape products made from recycled materials including soilless growth media. Known variously throughout the Bay Area as the Dirt Dude, Soil Sommelier, and Compost Crusader, Stephen has been indoctrinating classes of Master Gardeners, Bay Friendly landscape professionals, and UC Berkeley students with his mantras of “compost, compost, compost” and “mulch, mulch, mulch” for nearly two decades. He writes a monthly landscape and gardening newsletter/blog called “The Scoop” for WM EarthCare™.  

Chris Buck (Urban Forestry) was an Urban Forestry Inspector for San Francisco’s Department of Public Works for the last eight years and is now the Urban Forester. Chris often volunteers for the WCISA and CAA and is a judge of the Certified Tree Worker exam. Chris is an ISA Certified Arborist, Municipal Specialist, a WCISA Certified Tree Worker and a Registered Consulting Arborist with ASCA.

For 30 years, Larry Costello (Diagnosis and Treatment) conducted an education and applied-research program in urban forestry and landscape horticulture as the Environmental Horticulture Advisor in the San Francisco Bay Area for the University of California.  He retired in January of 2011 and now works as an arboricultural and horticultural consultant.  In addition, he established Oracle Oak Nursery in Hopland, CA — a wholesale tree nursery that focuses on CA native trees. 

Larry received a PhD in Plant Physiology from the University of California, Berkeley, and a MS in Horticulture from the University of California, Davis.  He is a member of the Western Chapter of ISA and received the ISA Shigo Award for Excellence in Education in 2009 and the L.C. Chadwick Award for Arboricultural Research in 2002.  Notable publications include: Oaks in the Urban Landscape: Selection, Care, and Preservation, Abiotic Disorders of Landscape Plants: A Diagnostic Guide and Reducing Infrastructure Damage by Tree Roots: A Compendium of Strategies.

Dawn Kooyumjian (Tree ID)  teaches plant material and drought-tolerant design for UC Berkeley’s Department of Landscape Architecture.  As well as being a ISA Certified Arborist, she holds a Masters of Landscape Architecture from UCB and is a UC Cooperative Extension Master Gardener.

Additionally, she is a horticulturist at Blake Garden, the teaching and research garden for UCB’s Landscape Architecture Department, where she tends, observes, and documents the plant collection. Her knowledge and teaching is firmly grounded in practical experience.

John Traverso (Climbing/Safety) started his career as nurseryman in 1974, and has owned and operated Traverso Tree Service since 1980. He became a certified arborist in 1986, and a Board certified Master Arborist in 2005, and has been TRAQ (Tree Risk Assessor Qualified) certified since 2011. He has served as president and vice president for the Calif. Arborist Association, and has served over the last 10 years as coordinator, head, judge, and technical advisor for the Western Chapters Tree Climbing championships. John has put on many climbing and safety seminars, as well as served on the certification committee for the WCISA for many years.