Norman Oberson
-Studied Business at UBC
-American Society of Consulting Arborists (ASCA) Registered Consulting Arborist #537
-International Society of Arboriculture (ISA) Certified Arborist # PNW 14054
-BC Government Certified Wildlife Danger Tree Risk Assessor (WDTA) #P1574

Norman ‘Norm’ Oberson is the principal & owner of Arbutus Tree Service Ltd. He has served Vancouver communities for near 3 decades as an ASCA-certified, ISA-certified, and WDTA-certified consulting arborist. Norm facilitates quality maintenance and management of trees on sites with development plans.

Derek Simpkins
Studied Biosciences & Forest Ecology at UBC
-Completed the Smaller Company Management Program at Harvard University’s Business School
-Opened an art gallery on South Granville, the Gallery of Tribal Art, featuring work by Northwest Coast Native artists
-Qualified Master Gardener with The Vancouver Chapter of Master Gardeners, completed the Advanced Training Program offered by Vancouver Master Gardeners
-Natural-world inspired, professional photographer

Derek Simpkins is a nature enthusiast with skills in art curation and photography. He is a Master Gardener in the Vancouver Chapter. He also brings decades of knowledge & experience regarding local forest ecology & sustainable company management to Trees of Vancouver Society.

John P. Martyn
-Studied Landscape Planning at Douglas College
-International Society of Arboriculture (ISA) Certified Arborist since 2000, # PNW 0610A
-Founder of JPM Tree Service circa 1996, was based in Toronto 1994-1996 before moving to Abbotsford BC
-Member of ASCA; Graduate of ASCA Consulting Academy in Boston, Mass., U.S.A.

John Martyn is the principal & owner of JPM Tree Service. He has served Lower Mainland communities for decades as an ASCA-certified & ISA-certified consulting arborist on commercial, public, residential, riparian, and industrial sites. John ensures best practices in tree preservation are followed on every site in his charge, he also specializes in heritage tree preservation.