10 CityTREES
In This Issue: Contributors
Visit urban-forestry.com to learn about all things SMA, including
the Municipal Forestry Institute, SMA Municipal Accreditation, our
Arborist Exchange program, Annual Conference, and more. You
can also find a compendium of several dozen written Roundtables
on subjects ranging far and wide, including Urban Forestry in
Zoos, Managing Natural Areas in the Urban Forest, Bees and
Urban Forests, Working with Slopes, and Large Tree Relocation.
Ian "Mac" Mcdermott is, after 40
years in the municipal sector, cur-
rently working as an Educator
and Course Manager in Arbo-
riculture at Pershore College in
Worcestershire, U.K. You can
reach Mac via his LinkedIn page.
Ryan Russell is the Horticulturist
for the City of Columbia, Mis-
souri and prior to that was
the Arborist for the Universi-
ty of Missouri. Ryan is heavi-
ly involved in the Missouri Com-
munity Forestry Council (MCFC)
and the International Oak Soci-
ety. For the latter, he is the North
American registrar for all new oak cultivars.
Interested in writing for City
Trees? Please send your
one-paragraph story pitch
to Editor Michelle Sutton.
Utility Arborist Association Compilation Authors
and Photographers:
• David Bayard, Seattle City Light Vegeta-
tion Management and Fleets Manager
• Rory Denovan, Seattle City Light Resto-
ration Ecologist and Strategic Advisor
• Jason Grossman, Manager of Transmission
and Distribution Vegetation, Liberty Utilities
• Dr. Anand B. Persad, Entomologist and
Director of Arboriculture and Energy Cli-
ent Programs, The Davey Institute
• Colby Tisdale, Photographer
Walt Warriner is a Consult-
ing Arborist who specializes in
urban forestry in Hawaii and
Southern California. He pro-
vides services to municipali-
ties, developers, contractors,
law firms, and insurance agen-
cies. Walt has been a member of
the Municipal Forestry Institute Teach-
ing Cadre since 2006, and in 2015 he was con-
ferred SMA Life Membership for his contributions to
the profession and to the Society. You can see more
of Walt's extensive photography on his website.
