Staff
Nelda Matheny
is senior consultant at HortScience | Bartlett Consulting, divisions of the
F.A. Bartlett Tree Expert Company. She specializes in tree evaluation and
management, problem diagnosis and landscape plant selection and suitability
assessment. She has particular experience in managing sites irrigated with
recycled and low quality water, landscape soil assessment and management, and
plant evaluation and management.
For over 35 years, Nelda has been providing consultation for landscape
architects, contractors, owners, developers and public agencies to create
enduring landscapes. She is committed to providing advice and services to
promote healthy, sustainable and attractive landscapes. She helps clients
select plants that are well suited to the site and manage them to enhance and
protect environmental quality and conserve natural resources
She holds a B.S. in Plant Science and an M.S. in Horticulture from the
University of California, Davis, is a Board Certified Master Arborist
(WE-0195B), ISA Qualified Tree Risk Assessor and a Registered Consulting
Arborist (#243).
Nelda is coauthor of five books including
Arboriculture: Integrated Management of Landscape Trees, Shrubs and
Vines
and
Trees and Development: A Technical Guide to Preserving Trees During Land
Development
which are used worldwide as a standard for successful tree
preservation. She presents lectures and training programs on
arboriculture, horticulture, and urban forestry throughout the U.S., Canada,
Europe, and Australia. Nelda has received numerous awards, including the
Alex Shigo Award for Arboricultural Education, is highly recognized by the
International Society of Arboriculture (ISA), and is an ISA Qualified Trainer
for adult training in classroom environments.
View Nelda's
curriculum vitae. You can reach her on
LinkedIn or at
nmatheny@bartlett.com
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Dr. James Clark
is the Managing Consulting Arborist for Hort Science | Bartlett Consulting and
is an internationally renowned arborist. He has twenty years of technical,
research, and practical experience in tree risk assessment, tree preservation,
and urban forest planning and management. Jim developed a model of
sustainable urban forest management, is experienced in designing and
implementing field research, and frequently serves as an expert witness.
He holds a B.S. in Plant Science and an M.S. in Horticulture from Rutgers
University, and a Ph.D. in Plant Physiology from the University of California,
Davis, is a Certified Arborist (WE-0846), an ISA Qualified Tree Risk Assessor,
and a Registered Consulting Arborist (#357). Prior to joining
HortScience in 1991, he was a faculty member at the Center for Urban
Horticulture at the University of Washington and a professor at Michigan State
University.
Jim is coauthor of four books including
A Photographic Guide to the Evaluation of Hazard Trees in Urban Areas
and Trees and Development. He has published over 30 articles in
scientific journals including
Arboriculture & Urban Forestry (formerly,
Journal of Arboriculture),
Journal of the American Society of Horticultural Science,
Arboricultural Journal and
Journal of Environmental Horticulture, and lectures in arboriculture
and urban forestry worldwide. Jim received the Alex Shigo Award for
Arboricultural Education and is recognized internationally by the ISA.
View Jim's curriculum vitae. You
can reach him on
LinkedIn or at
jclark@bartlett.com
John Leffingwell
sspecializes in urban forestry. His expertise is in urban tree risk
assessment, reforestation, and urban-wildland interface issues. He is skilled
in public speaking and presentations.
John has experience in assessing historic landscapes and providing management
recommendations within the context of the National Historic Register. Sites
include Ft. Baker, the Presidio of San Francisco and Alameda County Highland
Hospital.
John is responsible for incorporating GIS (Geographical Information System)
into HortScience’s repertoire, providing a more robust data collection and
mapping program with broad environmental applications
John is a Board Certified Master Arborist (WE-3966B), Registered Consulting
Arborist (#442), has a California Department of Agriculture Qualified
Applicators License (QAL 105129), and is an ISA Qualified Tree Risk
Assessor. His educational background includes a B.S. in Biology from
California State University, Humboldt and an M.S. in Forestry from the
University of California, Berkeley.
View John's
curriculum vitae. You can reach him on
LinkedIn or at
jleffingwell@bartlett.com
Leo Tuchmane
comes to HortScience | Bartlett Consulting with a commercial and consulting
arboricultural background. His work in arboriculture began in the UC Davis
Arboretum and Public Gardens working on landscape restoration and weed
abatement projects. He went on to provide commercial arborist services such as
multi-year tree management plans, large tree removal and planting, and
consulting services to clients throughout the bay area. Leo has experience
multi-year tree management plans, tree inventorying, crew supervision, project
oversite, construction monitoring, and landscape restoration.
Having recently joined the HortScience | Bartlett consulting team, Leo is
engaged in a number of projects including tree inventories, construction
monitoring, arborist reports, for clients.
View Leo's
curriculum vitae. You
can reach him at
ltuchman@bartlett.com
Darya Barar
manages the HortScience | Bartlett Consulting (H|BC) office of 11 employees,
nine of whom are Certified Arborists with six are Registered Consulting
Arborists. During her tenure with H|BC Darya worked with the City of Menlo
Park on their Heritage Tree Ordinance update, the City of Vallejo on a street
tree ordinance update and is an on-call Arborist for the City of Berkeley.
Darya specializes in urban forestry management with 14 years of experience in
the municipal setting. She has particular experience in disaster management.
Darya has extensive experience working with community groups, state and local
agencies on tree ordinances, master plans and large scale tree replacement
projects.
Darya is a Certified Arborist (WE-6757A). View Darya's
curriculum vitae. You
can reach her on
LinkedIn or at
dbarar@bartlett.com
Jillian Keller
comes to HortScience | Bartlett Consulting with a strong arboricultural
consulting background from her time working on various utility vegetation
management projects. She has expertise in project coordination, team
management, construction monitoring and impact assessment, technical report
writing, tree risk assessment, crew oversight, vegetation inventorying, and
landscape restoration.
Jillian is an ISA Certified Arborist Utility Specialist (WE-12057A) and tree
risk assessment qualified (TRAQ). She also has a B.S. in Forestry and Natural
Resource Management from the University of California, Berkeley.
View Jillian's
curriculum vitae.
You can reach her on
LinkedIn
or at jkeller@bartlett.com.
Pam
is a Certified Arborist with a background in landscape architecture. As an
arborist, she has surveyed and performed tree assessments for public and
private landholders throughout the Bay Area. She has recently advised the
Climate Action Now! (CAN!) organization in San Francisco on tree selection for
the Sunset Boulevard Reforestation Project, which involves SFPUC and SFDPW,
funded through California ReLeaf.
Her landscape career has included work on resort planning projects in the U.S.
and Canada, campus master planning, and landscapes for schools, commercial and
residential projects throughout California. Pam has extensive experience in
project management and team coordination, and has provided landscape design
and construction management for housing, streetscapes, trails and playgrounds
as well as SFUSD Green Schoolyards.
Having recently joined the HSBC consulting team, Pam is already immersed in
tree inventories, construction monitoring, and report preparation for housing,
schools, commercial redevelopment, and residential projects spanning most of
the compass points and micro-climates of the greater Bay Area.
Pam is an ISA Certified Arborist (WE-9617A), ISA Tree Risk Assessment
Qualified, and a Registered CA Landscape Architect (LA 5039). She also has a
University of California, Berkeley Extension, Landscape Architecture
Certificate a Bachelor of Fine Arts from New York University, Tisch School of
the Arts.
View Pam's curriculum vitae.
Uriel
is a Certified Arborist with a background in nonprofit work and community
organizing. His work in arboriculture began through volunteering for the urban
forestry nonprofit Canopy. As an arborist he has organized large volunteer
tree plantings, led volunteer tree care events, and advised private, public,
and nonprofit entities on the management of urban trees.
As a relatively new member of the HS|BC consulting tean, Uriel has jumped into
tree inventories and report preparation for houseing projects, commercial
development in Sunnyvale, Menlo Park, Walnut Creek, and beyond.
Uriel is an ISA Certified Arborist (WE-11955). He also has a Bachelor of Arts
in Architectural Studies from Middlebury College.
View Uriel's
curriculum vitae.
Jane Whitcomb joined HortScience | Bartlett Consulting in 1995. She specializes tree
assessment as well as mapping systems. Jane is familiar andexperienced in a
variety of landscapes in the Bay Area from oak woodlands to planted
landscapes.
View Jane's
curriculum vitae.
You can reach her on
LinkedIn or at
jwhitcomb@bartlett.com
Amanda Paulos is the HortScience Bartlett Consulting
administrative assistant. She handles all accounts payables, receivables,
insurance certificates, and contract management. Her organizational and
accounting skills have been honed through work experience as an AP/AR clerk
for a small business and a personal banker for a major bank. Amanda has a
certificate in accounting from Portland Community College.
You can reach Amanda at
apaulos@bartlett.com