James MacArthur

Professional Focus

James MacArthur leads project strategy and client delivery for Professional Environmental Services LLC across arboriculture, vegetation management, municipal forestry support, and litigation-related tree analysis.

Engagements range from hazardous tree evaluations and public-canopy planning to development-phase tree protection and tree loss valuation for legal proceedings.

Core Disciplines

• Arboriculture
• Environmental Health and Safety
• Plant and Tree Pathology
• Entomology
• Landscape and Turf Management
• Wetland Remediation and Restoration

Certifications and Licensure

• ISA Board Certified Arborist
• ISA Board Certified Master Arborist
• ISA Tree Risk Assessment Qualification
• Massachusetts Certified Arborist
• Massachusetts Forester License
• New Hampshire Certified Arborist
• ISA Utility Specialist
• USFS Urban Forestry Strike Team Qualified

Professional Memberships

• International Society of Arboriculture
• Massachusetts Tree Wardens and Foresters Association
• Massachusetts Arborists Association
• Society of Municipal Arborists
• Utility Arborists Association