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  • Registered Consulting Arborist, ASCA #297 (Honorary Life Member #1)

  • I.S.A. Certified Arborist, MA-0094

  • Licensed Landscape Architect, #272, Maryland (not renewed)

  • Licensed Tree Expert, #143, Maryland

  • Licensed Pest Control Consultant, #424 Maryland 

  • Certified Tree Risk Assessor, #123 (not renewed)

  • ASCA Tree & Plant Appraisal Qualification


Professional Experience:

  • Delegate for the Professional Landcare Network to the 7-member Council of Tree and Landscape appraisers for 13 years. CTLA administers and writes guidelines for the plant appraisal community.

  • Author and publisher of Tree Law Cases in the USA, published in 2000.

  • 2012 recipient of Mid-Atlantic Chapter of International Society of Arboriculture Lifetime Achievement Award.

  • Recognized in a contract with FEMA as a senior level professional in arboriculture and horticulture.

  • Listed on the American Forestry Association’s list of Certified Natural Resource Experts

  • to act as an official review agent for Global ReLeaf recognition projects.

  • Qualified by the Maryland Natural Resources, under the Forest Conservation Act, to prepare forest conservation plans.

  • Two occasions judged the American Association of Nurserymen, national landscaping awards competition culminating in White House ceremonies by First Ladies.

  • Assisted Ms. Lady Bird Johnson’s Beautification Committee, and volunteered services to help beautify Washington, D.C. Attended

  • White House functions and ceremonies.

  • Have testified in numerous law cases involving personal injuries, fatalities, property damages, and plant evaluations in numerous

  • jurisdictions.

  • Retained for services in Maryland, Washington, D.C., Virginia, Delaware, North Carolina, West Virginia, Massachusetts, Pennsylvania, New York, Texas, Washington, Iowa, Connecticut, Wisconsin and New Jersey.

  • Serves as a mentor for the American Society of consulting Arborists to counsel and aid new members in becoming active and registered members -- and served on numerous committees.

  • Conducted an all day plant appraisal seminar for the Illinois State Arborist Association as well taught additional plant appraisal workshops.

  • Conducted an all day seminar on tree law cases for the New York State Arborists Association as well as other lectures on the arborist and the law.

  • Has spoken and taught numerous times at the National Arboretum.

  • Served as a judge for the National Swimming Pool Association national awards competition.

  • Has appeared as a guest on talk radio, and television interviews, locally and nationally.

  • Has been a guest on several occasions on “In the Garden,” a regional TV gardening program.

  • Lectured several times for the Georgetown University Continuing Education Program.

  • Lectured to local garden clubs and trade associations, as well as the National Federation of Garden Clubs, and the local chapter of the American Foresters Association.

  • Has volunteered aid and assistance to “Trees for the City” in Washington, D.C.

  • Attends numerous local and national trade association conferences, seminars, lectures and expositions



  • BS in Agriculture from The University of Missouri


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