Jan Scow has worked as a consulting arborist in Southern California since 1994, when he received a BA in Geography/ Environmental Studies from UCLA, and has been a Registered Consulting Arborist since 1999. Jan was a Director of the California Urban Forests Council for six years ending in 2005, a Director of the American Society of Consulting Arborists for four years ending in 2015 and is an active member of the California Native Plant Society, the California Oak Foundation, and the Sierra Club.
Since childhood, Jan has been involved in various aspects of horticulture. His background includes stints as a nurseryman, landscape contractor, maintenance gardener, tree trimmer, and irrigation specialist. Aside from a tour in the US Navy, Jan has been working with plants continuously since 1967. Jan brings experience from various aspects of the horticulture field to his arboricultural work.
Jan’s personal interests include archery, kayaking, backpacking, gardening, furniture making, and photography. He loves the outdoors and is fascinated by native plants and undisturbed natural landscapes.
A statement of qualifications is available upon request.
Alison Yu is an arborist-in-training with a Wildland Resources and Forestry Certificate from Citrus College and a BA in Political Science from UCI. She worked as an intern at City of Pasadena Urban Forestry program for six months, where she helped organize the City’s street tree database and participated in a survey tracking the spread of Shot Hole Borer in the Arroyo. She is currently building experience in tree identification, pest and disease diagnosis, mapping and surveying, and construction impacts to trees under Jan’s guidance. Most recently, Alison has begun volunteer work in the nursery at Theodore Payne Foundation.
Alison has prior experience working with decay detection devices such as the Arbotom and the Resistograph. Alison has also previously worked on: a survey of Shot Hole Borer in the Arroyo; Teacher’s Assistant for a plant identification class at Citrus College; aiding in the classification of a pine species (Pinus eldarica); invasive species removal at Bernard Field Station in Claremont; volunteer work in the US Forest Service.
Alison’s personal interests include fishing (fresh and saltwater, catch-and-release only), hiking, plant identification, cooking, and origami. She loves observing animals of all kinds, visiting parks and botanical gardens, and cooking meals for family.