BIOSTraverso Tree Service, Inc
Board Certified Master Arborist # WE-0206B
John Traverso grew up in Orinda and graduated from Campolindo High School. He earned his Associate Arts Degree at Diablo Valley College in Pleasant Hill. He worked as a nurseryman for six years at Orchard Nursery in Lafayette during high school and college. In 1979, with a friend and fellow nurseryman, he started ‘Spirited Landscaping.’ In 1981 he left Spirited Landscaping to start his own company called ‘Traverso Landscaping.’ To supplement his winter income, John diversified and started doing tree work along with landscaping. In 1986 he became a Certified Arborist with the International Society of Arboriculture (ISA) and found out he really enjoyed doing tree work. In 1989 he decided to concentrate exclusively on the tree service and phased out of landscaping. John has been very active in the industry as an instructor, regional coordinator for the arborist and tree worker exams, member of the certification committee, and a past president for the California Arborist Association. In 2005 John passed an advanced arborist certification and is now a Board Certified Master Arborist with the ISA. When asked what he likes best about his job he replied, “Teaching, and the challenges of technical removals.”
Thorne “Scott” Foster
ISA Certified Arborist #WE-1244A
Scott Foster, one of our full time estimators and consultants, grew up locally, graduating from Acalanes High School in Lafayette. He went on to earn his Associate Arts Degree at Diablo Valley College with an emphasis in Biology. He was raised in a family of 3 boys that spent a lot of time in the out of doors, hunting and fishing. Scott determined early on that he did not want a desk job but preferred to work outdoors. In the late 80′s a friend of his, who was working for Traverso Tree Service, recommended he apply for a job. Scott started working for Traverso Tree Service in 1987 as a groundsmen. He promptly passed the WCISA Certified Tree Worker exam, and then became an ISA Certified Arborist in 1993. After working for Traverso for well over 20 years, attending countless arboricultural seminars and conferences, and being an instructor for the California Arborist Association, he is very knowledgeable and well equipped to understand and recommend solutions to all of your tree needs. When asked what he likes best about his job he said, “The fact that it is outdoors and provides different challenges everyday.” Scott continues to educate, and learn, on a daily basis as he meets with clients to assess the condition of their trees and provide an appropriate solution to their tree needs.
Rafael "Rafa" Ceja
ISA Certified Arborist #WE-8505A
Rafael is one of our lead climbers, an expert at crane jobs, and a foreman. Rafa’s family is originally from Michoacán, Mexico, but he was born and raised in Concord, California. He attended Las Lomas High School in Walnut Creek. After school he worked in various restaurants for several years before being hired at Traverso Tree Service in 1998. Rafa became an ISA certified Tree Worker six months after being hired. In 2008 he passed his ISA Certified Arborist exam. When asked what he likes most about tree work he said, “Being outside, climbing, and trimming trees”. Outside of work, Rafa enjoys working on hot rod cars, such as his 1973 Camaro.
ISA Certified Arborist #WE-9614A
Danielle grew up right here in Walnut Creek, attending Acalanes High School in Lafayette. After graduating high school, she moved up to Oregon to attend college at Pacific University in Forest Grove where she worked as a “grounds keep” as a work-study program to help pay for school. While in school, Danielle also spent a year living and studying in Ecuador, where she became a fluent Spanish speaker. Danielle was Traverso Tree’s first office employee and after 5 years of being surrounded by the arboriculture world, Danielle decided to “make it official” and passed her arborist certification exam in 2011. She is now able to use her knowledge to provide information and advice to clients as a supplement to onsite visits with one of our other arborist.
ISA Certified Arborist #WE-10873A
Arnulfo, one of our top climbers and foremen, grew up in San Vicente, El Salvador. He studied at Escuela Parroquial Guadalupe Carcamo before making the move up to California in the late 90s. Upon arrival, he worked as a janitor in South San Fransisco for a brief period, but soon transitioned to tree work. He has been working with Traverso Tree Service since 2001. He passed his ISA Tree Worker Climber Specialist test in 2015, and the following year he passed his ISA Certified Arborist test. When asked what he likes most about tree work he said, “Climbing of course!” Outside of work, Arnulfo enjoys gardening and time spent with family.
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