Working today to preserve, manage and plant trees for tomorrow's generations.

Teragan Associates Board Certified Master Arborist

master arborist logo
PN-0120 BMTL
"On Staff"
Board Certified Master Arborist offering arboricultural consulting services for over 25 years.

Roots of Banyon Wall Tree in Hong Kong
Douglas County Courthouse Elm

Company Info

  • Terrence P. Flanagan
    3145 Westview Circle
    Lake Oswego, OR 97034

  • Phone: (503) 697-1975
    Fax: (503) 697-1976
    Cell: (503) 803-0017
    E-mail: terry@teragan.com

Memberships

Resources and Links

Curriculum Vitae


Click the headings below to explore Terry’s qualifications and resume.

Arboricultural Service History

A career in arboriculture since 1977 starting in the Boston, Massachusetts area, 10 years in Colorado and the remaining 20 years plus in Oregon.

Consulting Practice

  • Practicing consultant since 1985
  • Board Certified Master Arborist since 2004 (#PN-0120BMT)
  • Certified Tree Risk Assessor since 2006 (# 0152)
  • TRACE Instructor since 2007
  • Certified Arborist since 1990 (# PN-0120A)
  • Certified Tree Worker since 2001 (#PN-0120AT)
  • Certified Municipal Specialist since 2004 (#PN-0120AM)
  • Member of American Society of Consulting Arborists since 1997
  • Member of the International Society of Arboriculture since 1983.

Educational Background

Conference Attendance:

  1. American Society of Consulting Arborists
  2. International Society of Arboriculture
  3. Oregon Community Trees Annual Summit
  4. Regional Training Conference of the Pacific Northwest Chapter of the International Society of Arboriculture
  5. Oregon Golf Course Superintendents Association Winter Seminar

Appraisal Workshops – Sponsored by ISA chapters and American Society of Consulting Arborists from 1982 to present, latest seminar, two day seminar in 2005

American Society of Consulting Arborist Academy, 1996

Dale Carnegie’s “Sales Course” 1986

Bachelor of Science – Natural Resource Management, Colorado State University, 1981

Major Course Work

Plant Physiology Visual Landscape Management Natural Resource Policy & Administration
Botany Land Use Planning Business Writing
Dendrology Natural Resource Public Relations Business Management
Ecology Integrated Resource Management Silverculture
Soils Watershed Management Wildlife Management
Public Speaking Forest Entomology Forest Ecology
Surveying Forest Management Wildlands Fire Management

Associate of Arts – Massachusetts Bay Community College, 1978

Work Experience

Teragan & Associates, Inc.
President
3145 Westview Circle
Lake Oswego, OR 97034
(503) 697-1975
Arboricultural Consultant 2000 to present – Consultant providing arboricultural information to guide development and management of trees, shrubs and other horticultural plants on commercial, municipal and residential property. Services provided include Tree Protection Plans, Hazard Tree Assessment, Tree and Shrub Appraisal, Tree Preservation Strategies on Development Sites, Tree and Shrub Care Management, Pruning and Tree Climbing Instruction, Arboricultural Instruction, Urban and Community Forestry Programs, Tree Surveys, and Expert Witness Testimony.
Clackamas Community College
Horticulture Department
19600 South Molalla Avenue
Oregon City, Oregon 97045
(503) 657-6958 x 2389
Supervisor: Elizabeth Howley
Horticulture Instructor 1998 to present – Part time instructor for Horticulture courses. Courses taught include Introduction to Arboriculture, pruning, tree climbing, landscape installation and chainsaw use and maintenance. Classes consist of lecture, practicum and field trips. Hands on instructions are a major focus that enables students to practice what is learned in class.
General Tree Service, Inc.
P.O. 2049
Clackamas, OR 97015
(503) 656-2656
Employed 10- 87 to 10-00
Supervisor: John Landon
Manager of Business Development 1997 to 2000 – responsible for the introduction of General Tree Service and Barclays Gardens to prospective commercial accounts and public organizations. Duties included business acquisitions, specialty training, special projects, arboricultural and landscape consulting. Also responsible for landscape construction sales consisting of irrigation installation, site prep, hardscape installation, and planting.

Manager of Landscape Construction Division 1996 to 1997 – Responsible for the reorganization of the Landscape Construction Division to a profitable entity. Responsible for personnel hiring, training and profitability of the division.

Manager of Tree Division 1987 to 1997 – Responsible for the profitable operation of tree division at General Tree Service. Division consisting of up to fourteen employees responsible for the pruning of trees and shrubs of all sizes. Duties include the supervision of operational and safety training of all employees, hiring and supervision of all personnel, purchasing and inventorying of equipment, maintenance management of equipment, budgeting and monitoring for profitable performance. Responsible for the writing and implementation of company’s first formal safety policy. Responsible for substantial growth in the tree division while maintaining constant profit margins. Member of company management team, responsible to guide company’s profitable performance while maintaining professional standards.

B.D. Wilhelm Company, Inc.
8200 E. Harvard Ave.
Denver, CO 80231
(303) 755-7432
Employed 2-86 to 8-87
Supervisor: Steve Day
Arboriculture Salesman – Consulting and sales for progressive arboricultural firm. Service sales to residential and commercial clients of tree and shrub pruning and removing, lawn care, integrated peat management programs, design and installation of landscapes. Conducted training sessions for field personnel. Managed and operated diagnostic plant and soil lab.
Blossom Tree Care
5405 Estes Court
Arvada, CO
(303) 421-6101
Employed 5-84 to 11-85
Arborist – One of three working in a small, quality oriented tree care company. Duties included sales, pruning and removal of large tress to shrubbery, proper and careful application of pesticides to residential and commercial properties, and the maintenance and light repair of equipment.
Swingle Tree Company
8585 E. Warren Ave.
Denver, CO 80231
(303) 337-6200
Employed 11-82 to 5-84
Supervisor: Chuck Morgan
Arborist, Training Supervisor – Responsible for training and supervision of new personnel to use safe and efficient practices to remove, prune and care for landscape plants while completing work myself as a regular production foreman. Also responsible for tool inventories on all fleet vehicles and company storerooms.
Byron O. Reid Inc.
St. Vrain Street
Colorado Springs, CO
Employed 6-81 to 11-82
Supervisor: Byron Reid
Manager of Tree Division – Hired and supervised all personnel. Scheduled and routed daily work consisting of pesticide applications and tree work. Responsible for sales of tree care services consisting of tree and shrub pruning and removal, plant health care programs and landscape fertilization. Completed actual work on more difficult contracts as well as maintained and serviced trucks and equipment.
Lowden, Inc
Chestnut St.
Needham, MA 02192
Employed 6-78 to 8-78
Summer Employment - Hired to assist in the cleanup of a late, May 5 snowstorm that caused tremendous damage to trees in the Boston area. Started as ground worker and quickly became a climber trainee due the amount work to be done. Operated all associated equipment such as chippers, chainsaws, loader, trucks of various sizes.

Other Work Experience

  • U.S. Forest Service Fire fighter, surveyor, lands staff assistant
  • Bernard Custom Homes Carpenter

Professional Organizations / Volunteer Work / Awards and Skills

  • American Society of Consulting Arborists
    Member 1996 to present
  • Graduate of Arboricultural Consulting Academy, 1996
  • International Society of Arboriculture
    Past Board Vice President of the International Board of Directors, 2002 to 2008
    Director on the Certification Board of Directors, 2005 to present
    Chair of Tree Risk Qualification Committee
    Director on the International Board of Directors, 2000 to present
    Executive Committee Liaison of Plant Value Appraisal Committee, 2005 to 2008
    Executive Committee Liaison of Student Activities Committee, 2004 to 2008
    Executive Committee Liaison of International Safety Committee, 2005 to 2008
    Member since 1983
  • Pacific Northwest Chapter – International Society of Arboriculture
    Member since 1987, board member since 1988
    Chapter International Board Representative 2002 to present
    Tree Risk Assessment Course Instructor, 2007 to present
    International Certification Representative, 1998 to 1999
    Past president, 1996 to 1998
    President, 1994 to 1996
    President Elect, 1993 to 1994
    Annual Conference Chair, 1992
    Treasurer, 1988 to 1992
  • Hoyt Arboretum
    Volunteer work, 1988 to present
    Board of Director Member, 1999 to 2002
    Vice President 1999 to 2002
    Chair of Plant Collection Policy Committee, 1993 to 2002
    Chair of Annual Arborists Work Party, 1989 to 2005
    Lecturer on Pruning and Arboricultural Care, 1989 to 2000
  • Oregon Community Trees
    Member since 1992
    President 1999 to 2001
    Past President 2001 to 2003
  • American Society of Landscape Architects
    1998 Portland Convention Committee
  • Friends of Trees
    Volunteer work, 1989 to present
    Chair of tree selection committee 1997 to 2000
    Member of Charter Board of Directors
    Crew leader of tree planting projects, instructor at crew leader training workshop, instructor at tree team workshop
    Sponsor of tree planting event
  • Oregon Association of Landscape Contractors
    Member 1996 – 2004
    Lecturer at annual conference
  • Owen Sabin Skills Center
    1989 to 1999, Forestry and Natural Resources Program Advisory Committee
  • Oregon Arbor Week Council
    Board Member, 1988 to 1989
  • International Society of Arboriculture, Rocky Mountain Chapter
    Member 1981 to 1987
    Board Member 1983 to 1987
    Treasurer 1987
    Secretary 1983 to 1986

Awards and Skills

  • President’s Award 2005, Pacific Northwest Chapter, ISA
  • President’s Award 1998, Pacific Northwest Chapter, ISA
  • Arboricultural Award, 1991, Pacific Northwest Chapter, ISA
  • Co-Champion, 1986- Rocky Mountain Chapter Climbing Jamboree, Denver, Colorado

EHAP- Electrical Awareness Program Certified 1992 to 1997

Past Licenses

  • Oregon Pesticide Applicator
  • Oregon Pesticide Consultant
  • Colorado Pesticide Applicator

Instructor

  • Instructor for Tree Risk Assessment Course and Exam
  • Part time Instructor for Clackamas Community College Horticultural Program
Professional picture of Terrence P. Flanagan