Tree Valuation Expert Witnesses

Sacramento, California

Arborist - arborist expert witness, tree failure, tree risk assessment, ISA Board Certified Master Arborist, tree litigation, forensic arborist, California tree law, urban forestry expert witness, tree valuation, Wildfire Mitigation, vegetation management

Robert Warwick is a licensed attorney and ISA Board Certified Master Arborist (TX-4379BU) whose dual credentials position him among a rare class of expert witnesses capable of bridging the disciplines of arboriculture science and legal analysis within a single engagement. He is admitted to practice before the State Bar of California (No. 363124), the State Bar of Texas (No. 24148633), the District of Columbia Court of Appeals (No. 90036967), and the United States District Court for the Central District of California. He is the principal of The Law Offices of Robert Warwick, a Santa Clara, California civil litigation practice, and the founder of Everything Green, Inc., a California-based firm delivering vegetation risk, wildfire mitigation, and utility compliance solutions. Mr. Warwick earned his Juris Doctor from Golden Gate University School of Law in San Francisco in May 2024, where he served as Associate Editor of the Golden Gate University Law Review and as the Environmental La...

Palm Harbor, Florida

Arborist - Tree Risk, Tree Valuation, Tree Appraisal, Nursery Valuation Appraisals, Tree Preservation, Expert Witness, Pesticides, Eminent Domain Takings, Tree Farm Appraisals, Commercial Landscapes, Tree Failure

Joe Samnik, respected industry leader in the fields of arboriculture and horticulture, brings 59 years of experience to his role as an expert witness in arboriculture and landscape litigation. An ISA Certified Arborist with Tree Risk Assessment Qualification (TRAQ), Joe also has a license from the State of Florida Office of Entomology. He has provided expert testimony in over 1,000 cases, maintaining an equal balance between plaintiff and defendant representation. His unique contributions to the field include authoring Florida's statutory formula for appraising highway vegetation and creating the mathematical table of value for the Florida State citrus tree removal class action lawsuit. Joe has presented his research at five international arboricultural conferences and served as president of the Association of Eminent Domain Professionals, a distinguished organization of attorneys, CPAs, and appraisal experts. In addition to being the Founding President of the Florida Chapter of t...

Port Angeles, Washington

Arborist, Environmental - arborist, tree risk, tree appraisal, tree valuation, tree forensics, urban forestry, trees and construction, tree protection, tree safety, tree policy, urban forestry policy

Owner and principal consultant with Peninsula Environmental Group, Inc., based in Port Angeles, Washington. A Board-Certified Master Arborist (since 2018), a Registered Consulting Arborist (since 2019), Tree and Plant Appraisal Qualified, and Tree Risk Assessment Qualified. My career in the environmental industry began in 2003; practicing as a full-time consulting arborist, forester and urban forester since 2015. Professional portfolio includes individual tree and forest-wide health, disease and risk assessments, tree management around construction, urban forest management, tree and forest policy development, forest management, environmental restoration and tree appraisals for both public and private clients. Have assessed tens of thousands of individual trees and numerous private and public forested sites up to 5,000 acres, with approximately 50% of work devoted to tree forensics and expert witness testimony related to plant appraisals, tree death, views, tree care, and injury/d...