John A. Harris


John Harris has worked in landscape, Arboriculture, Forestry, and horticulture fields for over 25 years. He is the Principal of LANDSCAPE ECONOMICS, LLC; a firm providing expert damage assessments, economic valuations, work audits, and expert testimony regarding landscapes and land improvements, and increasing the recognition of “Green Assets™”. He is the President of EARTH ADVISORS, INC.; a firm providing independent environmental, forestry, arboricultural, and landscape consulting.


  • Expert Witness for Tree, Landscape, and/or Natural Area Values
  • Expert Witness for Arboriculture, Urban Forestry, and Landscape Topics
  • Expert Witness for Health and Condition of Landscape Plants
  • 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 Permitting and Mitigation Planning
  • Environmental Permit Negotiations
  • Municipal Tree Inventory and Urban Forest Management Planning
  • GPS/GIS Environmental Mapping Projects
  • Forest Resources Management Planning
  • Grounds Maintenance Practices and Standards
  • Landscape Installation Practices and Standards
  • Arboricultural Practices and Standards


Master of Science in Forest Economics, College of Environmental Science and Forestry (CESF), Syracuse, NY
1990 Master of Business Administration in Organizational Management, Syracuse University, Syracuse, NY
1988 Bachelor of Science in Resources Management, CESF, Syracuse, NY
1986 Associate of Applied Science in Natural Resources Conservation, Morrisville Agricultural and Technical College, Morrisville, NY
Academic honors: Outstanding Young Men of America, Who's Who of College Students, Graduate Student Government President, Graduate Research Assistantship, Graduate Teaching Assistantship.


Principal, Landscape Economics, LLC, Plantation, FL
President, Earth Advisors, Inc., Plantation, FL
Instructor, Institute of Government at University of South Florida, Tampa, FL
Associate Professor, Seminole Community College, Sanford, FL
Instructor, Institute of Government at Florida Atlantic University, Boca Raton, FL
Vocational Instructor, Dade County School Board, Miami, FL
Associate Professor, Miami-Dade Community College, Miami, FL
Consulting Forester and Director, Tree Advisors, Hollywood, FL
Instructor, Fairchild Tropical Garden, Miami, FL
Manager, Sunbelt Landscape Management, Miami, FL
Corporate Staff Forester, ECI and Florida Power & Light Company, Miami, FL
Consulting Forester, ECI and TransAlta Utilities, Alberta, Canada
Graduate Teaching Assistant, CESF, Syracuse, NY
Research Assistant, CESF, Syracuse, NY
Assistant Director, Leadership Lab, Syracuse University, Syracuse, NY
JAH Grounds Maintenance Service, Alplaus, NY


Registered Consulting Arborist, American Society of Consulting Arborists
2005-Present Certified in Green Industries of Florida Best Management Practices
2000-Present Certified Arborist, International Society of Arboriculture
2000-Present Registered Tree Grader, Florida Department of Agriculture and Consumer Services and the International Society of Arboriculture Florida Chapter
1997-Present Certified Xeriscape Contractor, Florida Atlantic University and South Florida Water Management District
1997-Present Elected Member of Lambda Alpha Honorary Land Economics Society
1997-Present Cooperative Consulting Forester, New York State Department of Environmental Conservation
1996-Present Certified Forester, Society of American Foresters
1994-Present Trained Tree and Landscape Appraiser, National Council of Tree and Landscape Appraisers
1992-Present Certified Landscape Inspector, Landscape Inspectors Association of FL


Elected Member of Biltmore Who's Who Among Executives and Professionals
2007-Present Elected Member of Society of Industry Leaders with Standard and Poor’s Vista Research
2006-Present Elected Member of America’s Registry of Outstanding Professionals
2005-Present Board of Directors, Hands on Miami
2004 State Science and Engineering Fair of Florida Judge’s Captain
2002, 2003 State Science and Engineering Fair of Florida Judge
1998-Present Board of Directors, Friends of the Deerfield Beach Arboretum
1991-2004 Board of Directors, City of Miami Committee on Beautification and the Environment
1999- 2000 President, Society of American Foresters, Subtropical Chapter
1996- 1998 Chairperson, Broward Sierra Club, Local Carrying Capacity Committee
1995- 1997 President, Florida Arborists Association Broward Chapter
1994- 1996 Executive Board Member, Florida Urban Forestry Council
1993- 1995 Member, Environmental Education Council of Broward County
1993- 1994 President, Florida Arborists Association Southern Chapter
1992- 1994 President, Trees for Dade


2010     Contemporary Tree Appraisal Seminar
2009     3rd Utility Vegetation Management Conference, Brazil, Speaker
2008, 2009, 2010, 2011     Wildland Fire Litigation Conference, Speaker
2007, 2008, 2009, 2010     American Society of Consulting Arborists National Conference
2007     Consulting Academy, American Society of Consulting Arborists, Graduate
2005, 2007, 2009     International Society of Arboriculture International Conference
2005, 2006     Green Industries Best Management Practices Workshop, University of Florida
2004, 2005     Great Southern Tree Conference, University of Florida and FNGLA
2004     International Society of Arboriculture Tree Appraisal Seminar
2003, 2004     National Public Land Acquisition and Management Conference
2003     Environmental Permitting Conference, Florida Chamber of Commerce
2002     Savannah Georgia Municipal Planning Commission Xeriscape Conference, Keynote Speaker
2002     Tampa Grand Trees Program- Training Workshop, Instructor
2002     Broward County Grants Workshop for Tree Planting Projects, Instructor
2001-2003     Bonnet House and Gardens-Coffe and Conversation, Guest Speaker
2000, 2001, 2003, 2004, 2006, 2008, 2009     Trees Florida Conference
2000     South Florida Water Management District (SFWMD)- Environmental Resources Permitting Workshop
Society of American Foresters- "Why Have a Forester in Your City" Workshop
1998-Present     Broward County Tree Care Seminar, Pesenter (not every year)
1998, 1999, 2000     Hollywood Community Emergency Response Team Training Workshops
Broward County Cooperative Extension- Integrated Pest Management Workshop
1997, 1999, 2003  
South Florida Water Management District (SFWMD)-Appraisal Seminar
University of Florida- Urban Tree Short Course and Landscape Maintenance Short Course
FRPA/STMA - Turf Rodeo, Instructor
Florida Urban Forestry Council State Conference
Homestead International Plant Show Education Program, Coordinator
American Society of Consulting Arborists-Tree Appraisal Workshop
EEC of Broward County Facilitating Environmental Education Workshop


  • Lambda Alpha International Land Economics Society, Honorary Member
  • American Society of Consulting Arborists
  • Society of American Foresters
  • International Society of Arboriculture
  • Landscape Inspectors Association of Florida
  • Florida Urban Forestry Council
  • Florida Nurserymen, Growers, and Landscapers Association
  • Landscape Maintenance Association of Florida
  • Round Table Group, Inc.


Articles: Author and co-author for trade journals, regional newspapers and other publications including: Journal of Forestry, Arboricultural Consultant, Miami Herald, Sun-Sentinel, The Landscape and Nursery Digest, Dade County News Leader, The Courier of Pinecrest. He is also a regular source for newspaper, magazine, and trade journal writers across the United States.

Some publication examples include:

  • "Sustainable and Resilient Communities Manual," Steve Coyle, 2001; Contributing Author for the Sustainable Landscapes Chapter
  • “Should They Stay or Should They Go Now,” Arboricultural Consultant, Issue 1 2009
  • "Preparing Your Landscape For Storms and Hurricanes," City of Miami Beach, Dept. of Parks and Recreation
  • "Why hire a landscape consultant?," CondoManagement May/June 2000
  • "Preparing Your Trees and Plants for Winter," CondoManagement, January 2000
  • "Tips on the proper feeding of your trees and palms," The Courier, April 10, 1998
  • "What we Learn about Trees and Landscapes after Storms," Landscape & Nursery Digest, May 1995
  • "Re-greening," The Dade-Monroe Grower, May 1994
  • "Landscapes after Andrew: An opportunity to do things right," Dade County Grower, August 1993

Training and Education Instructor: John has developed and taught over 175 different technical training and/or public education programs throughout his career. These range from lectures to seminars to multi-media presentations to multi-day hands-on field practices training programs. He continues to develop new courses and lectures for the Education and Training Division of Earth Advisors, Inc. every year.

Media a ppearances as an Expert for Arboricultural and landscape information include: Channel 4 news in Miami Florida, Schenectady New York 2000 Revitalization TV Series, Broward County Florida Environmental Issues TV Series, Florida Division of Forestry "How to Choose an Arborist" video, nationally distributed children's video series about professional job choices called "Duncan the Magic Dragon".


Cummins Inc.; Trump Organization; Aon Horizon; Madsen, Kneppers & Associates; Burger King Corporation; Florida Power & Light; Lennar Homes; Turner Construction; Flagler Development Group; Continental Group Property Management; Waterton Property Management; Florida Department of Agriculture and Consumer Services; Florida Attorney General’s Office; Florida District Attorneys Office; Florida Department of Transportation; South Florida Water Management District; City of Schenectady New York; Broward County Florida; City of Miami Beach Florida; City of Tampa Florida; City of Miami Florida; Moors Master Owners Association; Ridges Master Association; Lakes of the Meadow Master Owners Association; Friends of Hildene Estate in Manchester Vermont; State Farm Insurance; Liberty Mutual Insurance; Mutual of Omaha Insurance; York Claims Service; Crawford and Company Claims Adjusters; Rosen & Eichner PA; Adorno & Yoss PA; Kane Law Firm; Parr Brown Gee & Loveless Law Firm; Herman Gerel Law Firm.


  • Fire Damage Cases involving landscape, land improvements, and environmental damages for residential, agricultural, and open space properties in San Diego, CA
  • Flood Damages Assessments and Valuations for Landscapes and Land Improvements for Cummins Inc., Columbus, IN
  • Environmental Damages Verifications and Valuations for Power Line Wildfire Cases in California
  • Orchard and Forest Damages Verifications for Subrogation Case in Alabama
  • Verification of Utility Arboricultural Practices for Wrongful Death Case in Sarasota, FL
  • Verification of Landscape Industry Standards and Practices for Fire Damage Case in Georgia
  • Ice Storm Damages Assessment and Valuation for Landscapes and Land Improvements for residence in Chicago, IL
  • Storm Damage Assessment and Claim Preparation for Saint Bernard Parish, New Orleans, LA
  • Storm Damage Assessments and Claim Verifications of multiple golf courses for York Claims Service in Alabama and Florida
  • Storm Damage Assessments and Claim Verifications of Casino properties for Madsen, Kneppers & Associates in Biloxi, MS
  • Storm Damage Assessments, Valuations, and Claim Preparation for Aon Horizon Consultants in Florida and the Bahamas
  • Landscape Damage Appraisal and Claim Support for Contractor Negligence Case for Ridges Maintenance Association, Weston, Florida
  • Hurricane Damage Appraisals for Big Pine Key residences, Big Pine Key, Florida
  • Tornado Damage Appraisal for City of Miramar Parks Department, Miramar, Florida
  • Arboricultural Health and Condition Evaluation with Tree Replacement Plan and Project Management for Waterton Property Management, Oakland Park, FL
  • Grand Trees Inventory with GIS Mapping and volunteer training for City of Tampa, Tampa, FL
  • Tree Inventory with GIS mapping for City of Miami Beach, Miami Beach, FL
  • Tree Inventory for City of Schenectady, Schenectady, NY
  • Environmental Assessments for Town of Southwest Ranches, Southwest Ranches, FL
  • Environmental Permitting and Preservation for AGES Group, Inc., Boca Raton, FL
  • Nursery and Landscape Value Appraisals for Land Purchases for South Florida Water Management District, West Palm Beach, FL
  • Landscape Installation Project Audits and Landscape Appraisals, Florida DOT, Oakland Park, FL
  • Hurricane Damage Appraisal with Restoration Plan and Project Management, Burger King Corporation World Headquarters, Coral Gables, FL
  • Hurricane Damage Appraisal and Restoration Management for Trump International Golf Club, West Palm Beach, FL


  • CESF Alumni Association, Lifetime Member
  • Friends of the Deerfield Beach Arboretum
  • Hollywood Fire Department Community Emergency Response Team (CERT)
  • Tropical Flowering Tree Society
  • Hands on Miami
  • WPBT Channel 2
  • Maple Grove Baptist Church

Excellent References available upon request.

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Landscape Economics , LLC
4600 Sheridan Street    Suite 403
Hollywood, FL 33021
Toll Free: (866) 981-1770   Phone: (954) 986-9405   Fax: (954) 986-9406 lel@landscapeeconomics.com