Mark A Webber

Mr. Mark A Webber

Mark Webber’s Arboricultural & Horticultural Consultancy, LLC  (Available Nationwide)
8730 Cincinnati Dayton Road, Suite 873
West Chester , OH 45069
Mobile: 937-604-2291
Office: 888-298-3973
Introduction

Mark A. Webber holds a Bachelor of Science in Agriculture and nineteen different certifications, qualifications, accreditations, and licensures in the fields of arboriculture and horticulture. Most notably, Mr. Webber is a Register Consulting Arborist, Board-Certified Master Arborist, and a Certified Professional Horticulturist with over forty-seven-plus years of relevant professional experience.

Mr. Webber provides investigations, reports, and testimony in matters related to tree condition, maintenance, removal and agricultural as well as horticultural matters. His expertise includes the management of nursery, arboricultural and horticultural, and agricultural operations, dendrochronology, pesticide use, crop and tree injuries due to biotic and abiotic conditions, appraisals of damaged crops, trees, and plants, tree failures, and tree failures due to biotic and abiotic conditions, and an assortment of agricultural, arboricultural and horticultural issues. Mr. Webber is an admitted member of approximately thirty-two industry organizations, including the American Society of Consulting Arborists, Chartered Institute of Horticulture, International Dendrology Society, Tree-Ring Society, American Phytopathological Society, and the OSHA (Occupational Safety and Health Administration) Small Business Advocacy Review Panel for Tree Care Industry Rules.

Mr. Webber has been a court-qualified expert witness in his field in the state courts of Ohio, Massachusetts, Michigan, New Jersey, New York, North Dakota, Pennsylvania, Washington, and California. Mr. Webber has also been qualified to testify in Federal Court proceedings.


Mr. Webber is available nationwide.


Areas of Expertise
  • Agricultural
  • Crops
  • Forestry
  • OSHA
  • Personal Injury
  • Pesticides
  • Premises Liability
  • Tree/Arborist
  • Trees Appraisal
  • Vineyards

Expert Background
Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
A: A.A.S., BS, Horticultural Science, Agricultural Economics, The Ohio State University, Columbus, OH, 1984
• 2020 Graduate from ASCA(American Society of Consulting Arborist) Consulting Academy, Sacramento, California, April 2020
• Tree and Plant Appraisal Qualification (TPAQ), American Society of Consulting Arborists, May 2019-2024
• Certified Professional Horticulturist #30086, American Society for Horticultural Science, Alexandria, Virginia, 2017-present
• Licensed Arborist
Rhode Island 2016-present
Minnesota 2016-present
Maine: First Class Landscape Arborist 2016-present
First Class Utility Arborist 2016-present
New Jersey 2017-present
• Certified Tree Expert #639, Board of Tree Experts Jackson NJ, August 2016-August 2017
• Licensed Tree Expert #639, Board of Tree Experts Jackson NJ, August 2017-present
• I.S.A. Board Certified Master Arborist OH-0824BUM, International Society of Arboriculture, 2013-present (I.S.A. Certified Arborist, 1998-2013)
Expertise in: Abiotic Disorders; Biology; Biotic Disorders; Plant Identification and Selection; Soil Science; Climbing, Rigging, and Removal; Diagnostic Process; Installation Practices; Plant Health Care; Pruning; Soil Treatment; Support and Protection; Water Relations and Irrigation; Inventory and Management Plans; Plant Appraisal; Risk Assessment; Safety; Right-away Management(R.O.W.), and Tree Preservation and Wildlife Protection
• I.S.A. Certified Arborist Municipal Specialist, International Society of Arboriculture, 2018-present
Expertise in: Municipal tree management, tree inspections, tree root public sidewalks and infrastructure conflict, tree hazards, tree volume needs, employee training and supervision and tree planting.
• I.S.A. Certified Arborist Utility Specialist, International Society of Arboriculture, 2018-present
Expertise in: Growth rates of trees, pruning systems, pruning cycles, safe work practices in and near energize conductors, electrical conductivity in trees, tree removal and rigging near conductors, vegetation management in and near conductors, growth regulators, and customer relations.
• Tree Risk Assessment Qualified (TRAQ), International Society of Arboriculture, February 2013-2017. Requalified 2017-2023
Expertise in: Identification of tree defects, causes of tree failures, determination of target risk exposure, quantification and qualitative of tree risk to targets, determination of impact on targets affected by tree failures, tree failure analysis of weather conditions that are caused by wind, rain, snow, ice, derechos, tornadoes and hurricanes.
• Ohio Commercial Pesticide Applicator 6A, 6C, 8 1997-Present
• Wildlife Protector Certification, Wildlife Training Institute, 2014-present
• Master Nursery Landscape Technician, Ohio Nursery & Landscape Association (ONLA), Columbus, OH, 2005-present.
Expertise in three areas of specialization: Core basics of plant science, Garden Center Management, Plant Grower and Landscape operations, and management. Once a person successfully obtains all three specializations, they are granted the Master Technician status.
• MArborA, designated by the Arboricultural Association, United Kingdom. 2018-present
MArborA is the second-highest arboricultural designation in the United Kingdom
• Registered Consulting Arborist #706, American Society of Consulting Arborist.2020-present
Expertise in higher skills in technical areas related to trees and tree care, providing objective, independent opinions, with training for higher communication, presentation, and report writing skills.
• Sky Warn Weather Spotter Training Certification, National Weather Service.2019-present
Q: Please list your affiliations or memberships in any professional and/or industry organizations:
A: • International Society of Arboriculture (I.S.A.), 2000-present
• Ohio Chapter, 2000-present
Education and Public Outreach Committee, 2013-present
License Plate Committee 2017-present
Marketing Committee (Chairperson) 2017-2019
Received an Award of Merit recognizing him for outstanding and meritorious service in establishing a Marketing Committee to advance the principles, ideals, and practices of arboriculture in Ohio, February 2019
Board of Directors (elected by membership), 2017-2019
International Conference Local Host Committee 2017-2018
• Florida Chapter, 2014-present
• Illinois Chapter, 2016-present
• Indiana Chapter, 2013-present
• Kentucky Chapter, 2000-present
• Mid Atlantic Chapter, 2014-present
• Midwest Chapter, 2015-present
• Michigan Chapter 2016-present
• New England Chapter, 2014-present
• New Jersey Chapter, 2014-present
• New York State Chapter, 2014-present
• Pacific Northwest Chapter, 2015-present
• Pennsylvania-Delaware Chapter, 2014-present
• Southern Chapter, 2015-present
• Western Chapter, 2014-present
• Wisconsin Chapter, 2014-present
• International Dendrology Society 2019-present
• Ohio Nursery and Landscape Association 1997-present
Education and Scholarship Committee member, 2010-2016
Plant Selection Committee member, 2009-2010
• Tree-Ring Society, 2016-present
• Utility Arborist Association, 2014-present
• International Oak Society 2018-Present
• Jefferson Twp. Farmers’ Market, Founder, and President, 2012-2014
• Garden Academy of the Dayton Home and Garden Show, Founder, 2011-2013
• Cox Arboretum, Dayton Ohio Board of Directors, 2004-2005
• Arboricultural Research and Education Academy
• Urban Tree Growth and Longevity Working Group
• Arboricultural Association, United Kingdom 2012-present
• The New Jersey Shade Tree Federation, 2018-Present
• The International Palm Society, 2018-Present
• American Society of Consulting Arborist- admitted member, 2019-present
• American Society for Society for Horticultural Science, 2018-present
• American Phytopathological Society
• ASHS Certified Professional Horticulturist (C.P.H.) Board, 2019-2023
• OSHA(Occupational Safety and Health Administration) Small Business Advocacy Review Panel for Tree Care Industry Rules, 2020
Q: Please list any teaching or speaking experience you have had, including subject matter:
A: "Tree roots the real story" Webinar-June 2020
Winter Tree Identification, Ohio Chapter ISA, Dayton, Ohio, January 2020
Real Story about Tree Roots, Ohio Chapter ISA, Springfield, Ohio, December 2019
Tailgating with Trees: Tree Identification, Tree Decay Affecting Trees in the Midwest, Ohio Chapter of the International Society of Arboriculture, Dayton, Ohio, June 2019
Tree Roots - The Real Story, Montgomery County Master Gardener Training & Ohio Chapter of the International Society of Arboriculture, Dayton, Ohio, August 2018
Common Fungi Affecting Midwest Trees and Implications for Tree Risk Assessment, Ohio Chapter of the International Society of Arboriculture, Dayton, Ohio, June 2018
Trees and Construction, Ohio Chapter of the International Society of Arboriculture, Dayton,
Ohio, May 2018
Tailgating with Trees #4, “Ostrya, Picea, Platanus, Populas, Prunus, Pseudotsuga, Pyrus, Robina, Sassafras, Taxodium, Taxus, Thuja, Tsuga, Ulmus, Zelkova Identification,” Ohio Chapter of the International Society of Arboriculture, Dayton, Ohio, April 2018
Tailgating with Trees "Winter Plant Identification #3 (Eucommia, Fagus, Fraxinus, Gledistia, Ginkgo, Gymnocladus, Hammamelis, Juglans, Juniperus, Larix, Liquidambar, Lirodendron, Magnolia, Metasequoia, Nyssa ),” Ohio Chapter of the International Society of Arboriculture, Dayton, Ohio, April 2018
Tailgating with Trees "Winter Plant Identification #2 (Buxus, Catalpa, Celtis, Carpinus, Carya, Cercis, Chionanthus, Cladrastis, Crataegus ),” Ohio Chapter of the International Society of Arboriculture, Dayton, Ohio, January 2018
Tailgating with Trees "Winter Plant Identification #1 (Acer, Abies, Aesculus, Amelanchier, Betula")," Ohio Chapter of the International Society of Arboriculture, Dayton, Ohio, December 2017
Tailgating with Trees "Tree Hazard Defect Identification," Ohio Chapter of the International Society of Arboriculture, Dayton, Ohio, November 2017
Tailgating with Trees "Proper Tree Planting," Ohio Chapter of the International Society of Arboriculture, Dayton, Ohio, October 2017
Identifying Hazardous Tree Defects, Southwest Ohio Urban Forestry Conference, September 2017
2017 Continuing Education Program for Montgomery County Master Gardeners on Basics of Tree Hazard Identification. Woodland Cemetery and Arboretum, Dayton, Ohio, August 2017
Tree Care Basics: “Selection, Planting, Training, Hazard Recognition, and more, Cox Arboretum Five Rivers Metro Parks, March 2017
The Bark of a Tree “The Great Protector and Resource.” Shade Tree Notes, New York State Arborists, Winter 2017. Republished by Citygreen Australia, February 2017. Republished January 2018 at gibneyce.com as a continuing education units for Certified Arborist
"Hazard Tree Training for Insurance Professional," Independent Insurance Agents and Adjusters of Dayton, Ohio, November 2016
Arboricultural Practices of Importance -Planting, Pruning and More, The Ohio State University Green Industry Short Course at the Ohio Turf Grass Foundation Meetings, Columbus, Ohio, December 2016
Horticulture Basics, Part 1. American Planning Association Ohio Chapter, Dayton Ohio Sinclair Community College, December 2015
Landscape Design and Care. American Planning Association Ohio Chapter, Dayton Ohio Sinclair Community College, December 2015
The American Sycamore “The Ghost of the American Forest," Buckeye Arborist, March/April 2015
“The Future of Trees is in Your Hands – The Best Practices of Tree Planting,” Ohio Chapter ISA. Created and developed an 8-hour program for continuing education for the Best Practices of Tree planting for Green's Professionals, October 2014-February 2015
“The Loss Generation of Trees,” Slide show and background of tree planting failures, Cox Arboretum and Gardens, Dayton, Ohio, Ohio Chapter ISA, February 2015
“Site Selection & Soil Conditions for Tree Planting,” Cox Arboretum and Gardens, Dayton, Ohio, Ohio Chapter ISA, February 2015
“Planting Specifications for Tree Planting, meeting ANSI A300 part 6,” Dayton, Ohio, Ohio Chapter ISA, February 2015
“In class exercise practicum of tree planting failures workshop,” Dayton, Ohio, Ohio Chapter ISA, February 2015
Host of Garden Talk on Newstalk Radio WHIO, Dayton, Ohio, Developed website, GardenTalkBlog.com, 1990-present
“Indicators of Tree Risk,” Television Story on WHIO Channel 7, Dayton, Ohio, 2014
Gardening TV Expert, WDTN Channel 2, 1989-1999
“Tree Value Determination” presentation at ISA Ohio Chapter, Dayton, Ohio, 2013 Winter Meetings
Ohio Chapter International Society of Arboriculture, Stem Girdling Roots, 2012
Dayton Home and Garden Show, Vertical Landscape Solutions, 2012
Ohio Chapter International Society of Arboriculture, Native Trees, Winter Meeting, 2011
Dayton Home and Garden Show, Landscape Design with Plant Health in Mind, 2010
Ohio State University Extension Agents, Air Knife-Stem Girdling Roots, 2009
Southwest Ohio BYGL, Woodland Cemetery, Air Knife-Stem Girdling Roots, 2008
Q: Have any of your accreditations ever been investigated, suspended or removed? (if yes, explain)
A: No
Q: On how many occasions have you been retained as an expert?
A: Available upon request
Q: For what area(s) of expertise have you been retained as an expert?
A: Issues surrounding Arboriculture, Apiculture, Agriculture, Botany, and Horticulture
Q: In what percentage of your cases were you retained by the plaintiff?
A: 50%
Q: In what percentage of your cases were you retained by the defendant?
A: 50%
Q: On how many occasions have you had your deposition taken?
A: Available upon request
Q: When was the last time you had your deposition taken?
A: Available upon request
Q: On how many occasions have you been qualified by a court to give expert testimony?
A: Available upon request
Q: On how many occasions have you testified as an expert in court or before an arbitrator?
A: Available upon request
Q: For how many years have you worked with the legal industry as an expert?
A: Over 15 years
Q: What services do you offer? (E.g.: consulting, testing, reports, site inspections etc.)
A: Available upon request
Q: What is your hourly rate to consult with an attorney?
A: Available upon request
Q: What is your hourly rate to review documents?
A: Available upon request
Q: What is your hourly rate to provide deposition testimony?
A: Available upon request
Q: What is your hourly rate to provide testimony at trial?
A: Available upon request
Q: Please list any fees other than those stated above (E.g.: travel expenses, copy fees, etc.)
A: Available upon request


References

Kevin Bowen, Esq.
Tate Bowen Daugherty Funk Spandau LLC
156 E Market St, Suite 600
Indianapolis, IN 46204
kevin@tatebowen.com
(513)706.2585

James M. Brutz, Esq.
2833 Elm Rd NE, Warren, OH 44483
(330)609.5045

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Attorney
Merrick, Hofstedt & Lindsey, P.S.
3101 Western Avenue, Suite 200
Seattle, WA 98121
ccampbell@mhlseattle.com
(206) 682-0610

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McCormick & Priore, P.C.
450 Plymouth Road
Suite 204
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jcella@mccormickpriore.com

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Kennedy’s LLP
120 Mountain View Blvd
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Law Office of Cooley and Associates PLC
40 British Woods Dr., Suite 101
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Suite 1220
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Berman & Simmons, P.A.
129 Lisbon Street, P.O. Box 961
Lewiston, ME 04243-0961
207-784-3576


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Suite 102
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A Professional Corporation
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Conway, PA 15027-1647
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