Guy at work in the Umlauf Sculpture Gardens

Guy has over thirty five years experience in all facets of tree care, from field work such as climbing, fertilizing and cabling to competitive climbing,  arborist training instruction and television and radio talks on tree care.  He has written many articles about tree care for the Austin American Statesman and arborist journals such as the internationally published Journal of Arboriculture.  He even co-authored a tree care ordinance which was adopted by the Austin city council.   When it comes to trees he pretty much does it all.

Field Experience:

Arborist for the:

  • Lady Bird Johnson Wildflower Center, Austin
  • Umlauf Sculpture Gardens, Austin
  • Mayfield Park Cottage Gardens, Austin
  • Inshallah, a historical estate in Hyde Park, Austin

    Guy working with “helper” at Mayfield Park.

Guy has also provided tree care for:

  • the Pease Mansion, Austin
  • the Federal Courthouse, Austin
  • the Treaty Oak, Austin, after its infamous poisoning in 1990 and in 1999, 2009
  • the LBJ Boyhood Home and the LBJ Ranch
  • Audubon Park, New Orleans
  • historical estates in Hawaii and Europe
  • estates in New England

Related experience:

  • Became one of Texas’ first Certified Treecare Safety Professionals (2008)
  • Winner:  Texas I.S.A. Tree Climbing Championship (1999)
  • Represented TX at the International Tree Climbing Championship, New York City area (1999)
  • Represented TX at the International Tree Climbing Championship, Birmingham, England (1998)
  • Among group that took the first Certified Arborist exam given in Texas (1992) and has maintained certification ever since.


  • Guy teaching a tree climbing class to municipal tree workers

  • Professional tree worker training for:
    • International Society of Arboriculture, TX chapter
    • Texas A&M Forest Service
    • Houston Area Urban Forestry Council
    • Cross Timbers Urban Forestry Council (DFW area)
    • City of Round Rock
    • Williamson County, Texas
  • Guest instructor:
    • Texas A&M University
    • Mira Costa College, San Diego
    • Southwestern University, Georgetown
  • General public tree care talks and instruction for:
    • Lady Bird Johnson Wildflower Center
    • TreeFolks, Austin
    • City of Austin Zilker Botanical Gardens Center
    • Central Texas Arborist Association
    • Travis County Master Gardener’ program
  • Author, articles for:
    • International Journal of Arboriculture
    • In the Shade, a publication of Texas ISA
    • Southwest Trees and Turf
    • Austin American Statesman
  • Television and radio:
    • KLRU’s Central Texas Gardener appearances
    • KLBJ AM, guest on John Dromgoole’s and Sheryl McLaughlin’s gardening programs

Tree Care Advocate:

    • Consultant (pro bono): moving of live oak for TXDOT highway construction (Oak Hill)
    • Co-developer of Oak Wilt Prevention Pruning guidelines with TX I.S.A., TXForest Service and TX AgriLife Extension Service (2011)
    • Consultant (pro bono) City of Austin:
      • Waller Creek Tunnel Project (2010)
      • Barton Springs Pool tree assessment (2009)
    • International Tree Climbing Championship event head judge (2002-06)
    • Arboricultural advisor, City of Austin Heat Island Task Force (2001)
    • Member, board of directors, International Society of Arboriculture, Texas Chapter (1995-98)
    • Chairman and member, City of Austin Urban Forestry Board (1990-97)
    • Coauthor of Austin Public Tree Care Ordinance, adopted in 1997
    • Past president, Central Texas Arborist Association

Guy at work in a local palm tree


Call 512-301-8700