Agriculture Consultants: 8

John Booth, the Principal Consultant and Practice Director of Sylvanus Arboricultural Consultants Ltd., is a Chartered Aboricuturalist and Chartered Environmentalist and one of the UK’s most widely qualified Arboricultural Consultants. He has over 25 years experience in both the private and public sectors and has written numerous articles and papers for respected publications including the International Journal of Urban Forestry for which he is also a referee.

Mr. Booth and Sylvanus Ltd. are regularly instructed by both developers and Local Planning Authorities (LPA’s) who are keen to ensure a satisfactory outcome from the planning process, (i.e. an appropriate balance between tree retention and realizing a site's development potential). All such work is carried out in accordance with the guiding principles of British Standard 5837 ‘Trees in Relation to Construction – Recommendations.’

Mr. Booth is a Bond Solon/Cardiff University trained Expert Witness and a member of the Expert Witness Institute. He has many years experience in both courtroom and planning enquiries.

Services Include:

Tree Inspection & Survey - Single Tree, Large Population, Mortgage Lending, Safety and Subsidence Issues

Tree Preservation Orders (TPO's) and Conservation Areas - Detailed Specifications for Tree Work Applications for Trees with Statutory Protection

Trees and Development - Tree Surveys for Submission with Planning Applications
Tree Constraints Plans (TCP’s)
Tree Protection Plans (TPP’s)
Arboricultural Impact Assessments (AIA)
Arboricultural Method Statements (AMS)

John A. Harris, Principal of Landscape Economics, LLC, and President of Earth Advisors, Inc., is a LANDSCAPE ECONOMIST who has worked in the Arboriculture, Forestry, landscape and horticultural fields for over 20 years. Mr. Harris has provided reputable consulting, education and project management services for a wide variety of projects across the United States and internationally, in both temperate and tropical ecosystems.

Areas of Expertise:

Expert Witness for Arboricultural, Landscape, Nursery Values and Conditions

Landscape and Tree Risk Assessments

Landscape and Tree Value Appraisals

Landscape and Tree Damage Appraisals

Storm Damage Assessments and Recovery Plans

Landscape Health and Condition Evaluations

Arboricultural Health and Condition Evaluations

Landscape, Arboricultural, Forestry, Environmental Project Management

Environmental Due Diligence

Environmental Permitting and Mitigation Planning

Environmental Permit Negotiations

Municipal Tree Inventory and Management Plans

GPS/GIS Environmental Mapping Projects

Forest Resources Management Plans

Grounds Maintenance Practices

Arboricultural Practices

The experts at Miller Engineering are Ann Arbor-based professional engineers celebrating 30 years of service to University, Government, Insurance, and Industry through research, publications, presentations, and testimony. Miller Engineering has a staff of engineers and experts in the Mechanical, Chemical, Agriculture, Industrial, and Human Factors fields of engineering with specific knowledge in the following areas: 

Vehicles Car/Truck Accident Reconstruction Crash Data Retrieval (CDR) Visibility & Reaction Time Analysis Tires, Trailers, Brakes & Accelerators Truck/Off Road Vehicle Egress/Ingress Traffic Signing and Construction Zones Mechanical & Electrical Safety Product Safety & Analysis Machinery - Metal, Wood, Plastic Molding Machine Guarding & Safety, Robots, Automation Hazard and Risk Analysis Employee Safety Procedures – OSHA Electrical Distribution & Transmission Hazards

Warnings & Instructions Warning Labels & User Manual Design Hazard Analysis & Product Label Designs Medical Device & Drug Warnings & Instructions Inadequate Warnings Analysis Standard Compliance (ANSI Z535) Product Recall Information & Strategies Consumers/Household Safety Appliances & Tools Child Furniture, Choking, Playgrounds Swimming Pools & Exercise Equipment Recreation - ATV, Boats, Bicycles, Boards Ladder, Stair, Step and Railing Accidents Slip, Trip, & Fall Accidents

Chemicals Safety & Labeling NEW OSHA HAZCOM (2012) & GHS Review MSDS, SDS and Product Label Compliance Toxic Torts - Diacetyl, Asbestos, Benzene, Lead, Carbon Monoxide Vaping & E-Cigarette Health Effects Chemical Exposures & Workplace Safety Chemical Inhalation, Ingestion, Dermal Contact Contamination - Water & Environmental Manufacturing & Process Line Accidents Slips, Trips, Falls, & Entanglements Fires & Explosions Cause & Origin Investigations Gas, Vapor, & Electrical Spontaneous Combustion Vaping & E-cigarette Battery Failures

Agriculture Tractor & Equipment Accidents Chemical Applications & Exposures Crop Storage & Harvesting Accidents Pesticides Construction Vehicle Visibility Accidents Slip, Trip, & Fall Accidents Power Tool Repetitive & Immediate Injuries Scaffolding - Cranes - Hoisting - Fork Lifts Insurance Subrogation & Forensics Accident Investigations Electrical & Fire Causation Chemical Leakage Damage Defective Equipment Injuries Premise and Process Damages

James M. Miller, PE, PhD – Founder Dr. Miller is an Emeritus Professor at the University of Michigan College of Engineering and a registered professional engineer and consultant with over 30 years of experience as an expert witness. He has served as a consultant to industry and government and is highly qualified to give engineering testimony. Dr. Miller specializes in warnings, labeling and instruction manuals, consumer product design, machine guarding, process safety, fire science, vehicle visibility, tractor egress/ingress, pedestrian and worker slip and fall prevention, recreational vehicles (ATVs, boats, and personal watercraft), compliance with occupational safety and consumer safety standards (OSHA, MSDS, CPSC, ANSI, ASTM, UL, etc.).

Mark R. Lehto, PhD – Co-Founder Dr. Lehto is a Professor of Engineering at Purdue University. He completed his Ph.D. in engineering at the University of Michigan in 1985, where he specialized in Human Factors Engineering, in particular Warnings and Labeling. He has taught courses at Purdue in human and safety factors areas, as well as decision making and artificial intelligence. He has authored numerous professionally-reviewed articles, and he has authored / coauthored internationally-recognized textbooks in the areas of human factors and ergonomics. Dr. Lehto specializes in knowledge engineering, warnings and instructions, structuring expert systems, accident modeling, accident statistical analysis, consumer product safety, boating safety, in-field national surveys of product usage and product information effectiveness.

David R. Clark, PE, PhD – Co-Founder Dr. Clark is an Emeritus Engineering Professor at Kettering University. He was an engineering Ph.D. graduate from the University of Michigan, where he specialized in human factors engineering and system safety analyses. In particular, his earlier degrees in mechanical and electrical areas have given him a special expertise in electrical fire- and explosion-related accidents. Dr. Clark is also published on the topics of warnings and labeling. With considerable in-plant experience at General Motors, he is uniquely qualified to provide student theses and design projects while teaching at Kettering that deal with many types of mechanical and optimization projects. Finally, he has extensive experience working for loss control companies, performing over 150 fire origin and cause investigations in the past few years.

Julian Forbes-Laird is a Chartered Arboriculturist, Arboricultural Association Registered Consultant, experienced Expert Witness and Principal Consultant of Forbes-Laird Arboricultural Consultancy Ltd. Mr. Forbes-Laird has a professional practice working throughout the UK and overseas. He covers all aspects of arboriculture, specializing in planning, tree safety and litigation related matters.

Mr. Forbes-Laird is supported by a team of regionally based consultants, giving him national and international reach. He sets the standard for client service, works throughout the UK and abroad, provides commercially realistic strategic advice, prepares sensitive yet practical management plans, works within project design teams to evolve arboriculturally defensible layouts, wins planning appeals, and handles an enormous amount of work under pressing deadlines helping clients' achieve the best outcome. 

Mr. Forbes-Laird is widely recognised as an authority on legal issues pertaining to trees and is an experienced Expert Witness. His expert services include Pre-Action Case Evaluation, TPO Prosecutions, Forensic Accident Investigation and Tree Root Damage to Buildings. Other Services Include:

• Planning for Developers and Local Authorities
• Tree Preservation Orders (TPO's)
• Safety Inspections
• Subsidence
• Expert Witness
• Landscape Design

ENTOX, Inc. was established in 1999 to provide the best possible consulting services to those in need of Insecticide Toxicology and Environmental Toxicology analysis. ENTOX provides technical consulting on all types of:

Pesticides and Insect Repellents Synthetic and Botanical Insecticides Acaricides Fumigants Repellents Toxicity

Mechanisms of Action Environmental and Comparative Toxicology Ecological Risk Assessment Persistence of Pesticides Movement in the Environment Residue Analysis

Joel R. Coats, PhD, is Distinguished Professor of Entomology and Toxicology in the Department of Entomology at Iowa State University.

Specializing in Insecticide Toxicology and Environmental Toxicology, he has been on the faculty at Iowa State University since 1978 and served as Department Chairman for seven years.

Dr. Coats’ research program includes two main areas: (1) insect toxicology and (2) environmental toxicology and environmental chemistry of Agrochemicals. His research in the insect toxicology area is focused primarily on natural products as insecticides and insect repellents, including investigations of their spectrum of activity, mechanisms of action, metabolism, synthesis of biorational derivatives and analogs, and quantitative structure-activity relationships.

Dr. Coats' 200 scientific publications include 10 books, 7 review articles, 40 book chapters, and over 140 peer-reviewed journal articles; he also holds 9 patents. He has received the International Award for Research in Agrochemicals from the American Chemical Society Agrochemical Division, and he is a Fellow of the American Association for the Advancement of Science, and a Fellow of the Entomological Society of America. Dr. Coats recently received the Alumni Achievement Award from the University of Illinois College of Liberal Arts and Sciences.

View Dr. Coats' Expert Witness Profile.

David D. Hunter is a Consulting Arborist and the owner of David D. Hunter Certified Arborist, LLC, a full-service tree care provider. As a Consulting Arborist, he is dedicated to community enhancement and the protection of the environment. His services range from Consulting with residential clients on tree health and safety assessments, to working with camps, clubs, parks, schools, cities, counties and more on a variety of arboricultural concerns. Mr. Hunter has consulted on Arboricultural and Forestry issues in Oregon and other parts of the United States, worked with historical sites and trees, and has taught climbing and safety techniques to tree care professionals. With over 40 years of experience in the fields of Forestry and Arboriculture, his background includes managing all aspects of the tree-service company from worker safety and training to customer satisfaction. Mr. Hunter has specialized knowledge of the use of Resistograph and Air Spade for tree health and safety inspections. 

Consulting Services Include:

Appraisals for Tree & Shrub Damage or Loss Arborist Reports Construction Management Tree Hazard and Risk Assessments Insect / Pest / Disease Diagnosis Permit Assistance Pruning & Fine Pruning Fruit Tree Pruning Ornamental Pruning Tree Preservation Plans

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View David Hunter's Expert Witness Profile.

Daventry Appraisal Services provides Equine, Livestock, and Agricultural Appraisals for clients around the world. Daventry Equine Appraisals abides by a strict code of ethics as established by the Appraisal Standards Board and the Uniform Standards of Professional Appraisal Practice to provide a fair and unbiased opinion. Daventry Equine Appraisals are considered "Certified" for legal purposes in Canada and Internationally.

Clients have included financial institutions and leasing companies, lending officers, receivers and trustees, government agencies, border security & customs agents, business owners and operators, chartered accountants, lawyers, and executors.

Appraisal Services - Clients are provided with a complete, professional report which contains a full written description of the animal or personal property, including photographs, conformational / gait analysis, and a copy of the subject's registration papers with any significant notes about lineage, plus show records and other supporting market data to back up the conclusions and valuation. Appraisals have been requested for:

Insurance Policies / Claims Purchases Sales / Syndications Divorce / Estate Settlements Donations / Tax Audits Bank Collateral / Bankruptcy

Contract Disputes  Fraud  Tack / Farm Equipment Livestock  Frozen Semen / Embryos

Tracy Dopko, BA, DipEqS, ISA, CPPA, Certified Senior Equine, Livestock, and Agricultural Appraiser with Davenport Appraisal Services, is qualified as a Senior appraiser by both the American & Canadian Society of Agricultural Appraisers. She is also a licensed Private Investigator. Ms. Dopko has over 30 years of experience in the agriculture and livestock industry, and over 20 years of agricultural and livestock appraisal experience. She has over 5,000 hours of appraisal experience.

Ms. Dopko has traveled all over the United States and Canada conducting equine, agricultural, and livestock appraisals. She has appraised some of the top jumper and dressage horses in Europe, and has also appraised some of the most well-known Holstein, Angus & Jersey cattle in North America. 

Ms. Dopko has shown successfully on the American and Canadian hunter/jumper A Circuit and Dressage A Circuit over the last 25 years, is an accomplished judge, and has also been an avid breeder for the last 20 years.

View Tracy Dopko's Expert Witness Profile.

A.B.C. Consulting Arborists LLC provides clients with cutting edge Tree Management Solutions, with a science-based but pragmatic understanding of what will or will not work for your trees. The result is a defensible, and cost effective solution that will help clients decide how best to manage trees. A.B.C. Consulting Arborists' reports, letters, specifications, and photography communicate critical concepts and possible solutions in an easy to understand manner that will meet or exceed client expectations and agency requirements. Arborist Consultation Services:

Disease / Pest Management Wildfire Risk Reduction Planning Pre & Post Development Planning Shoreline Vegetation Management

Municipal and Private Tree Inventory Tree Risk Assessments and Mitigation Municipal Tree Risk / Emergency Response Plans Wetlands / Critical slopes Vegetation Management

Plant & Tree Healthcare Services:

Airspading Soil Testing Tree Nutrition

Cabling and Bracing Deep Root Fertilizing Disease & Pest Management

Principal Consultant, Daniel J. Maple, BCMA, RCA, MA, TRAQ, is a Registered Consulting Arborist, Board Certified Master Arborist, ISA Municipal Specialist, ISA Tree Risk Assessment Qualified, and holds a Commercial Applicators License. As of August 2017, there are 284 RCAs, 698 BCMAs, and 884 MSs in the world. Mr. Maple has the distinction of having all of these qualifications as well as others. With over 30 years of industry experience, Mr. Maple has provided ethical, scientific sound arboriculture solutions to both the public and private sector. During this time, Mr. Maple owned and operated a tree service, and was a first responder in several natural disasters that resulted in thousands of tree failures. His investigations into the tree failures and the experience gained makes him uniquely qualified among his peers as a risk assessor and risk mitigation planner. Mr. Maple has used his years of hands on experience along with his formal education to advise states, cities, parks, developers, managers, HOAs and the private sector. View Daniel Maple's Expert Witness Profile.