Data-driven forestry

Located in Santa Monica, CA



Tree Reports

We produce objective reports for clients ranging from architectural and engineering firms to municipalities and HOAs. Services include comprehensive condition rating and DNA-based disease diagnosis to Tree Risk Assessment.


Mapping & Inventory

Our dynamic maps provide a critical edge in tree inventory, urban forest management plans, legal purposes and more. Features include dimensional data, geospatial referencing, species reference, and condition analysis.


Development Projects

We specialize in Protected Tree Removal Permit Applications for LA area development projects. Reports can be tailored to meet the needs of specific project requirements, including CEQA.   

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Expert Witness Services

Don’t take chances when it comes to trees and legalese. Our experience with California trees and landscapes can mean a big difference in the outcome of disputes ranging from roots to views.

Our Team

Luke Midura
Project Manager

Luke is a ASCA certified Registered Consulting Arborist, RCA #639. He is a member of the Western Chapter of the International Society of Arboriculture, American Society of Consulting Arborists, a founding member of the Association of Urban Foresters, and an ISA Certified Arborist®, #WE-12001. Luke earned a Bachelor of Science degree in Forest and Natural Resource Management from the University of Minnesota, and an A.A.S. in Urban Forestry from Hennepin Technical College. He has presented at the WCISA annual conference and as a guest at UCLA courses in Arboriculture.


Chad Giblin
Director, Projects and Operations

Chad has over 20 years experience developing and implementing Urban Forest Management Plans and outreach programs. He is a Research Fellow and Dendrology instructor at the University of Minnesota in the Department of Forest Resources, an expert urban forest nursery production and is a member of the Root Management Best Management Practices Review Committee for the ANSI and ISA. Chad is a seasoned youth tree climbing teacher, a founding member of The Arborators, and authored the book Pruning Young Elms: Guiding American, Asian, and Hybrid Elms to Stately Maturity, with Jeff Gillman. He is an ISA Certified Arborist®.


Pieter Severynen
Senior Analyst

Pieter has been a California Certified Landscape Architect for over 40 years and has unrivaled experience in the field of Urban Forestry in the Los Angeles area. He currently represents the ASLA on the Council of Tree and Landscape Appraisers (CTLA), which authors the industry standard Guide for Plant Appraisal. Pieter is an ISA Certified Arborist and member of the American Society of Consulting Arborists. He teaches Basic and Advanced Arboriculture courses for UCLA Extension and presents the most popular fruit tree pruning workshops in Southern California.


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