Board of Directors

    Officers

  • President
    Rebecca Johnson (2023)
    Arborholic, LLC
    512.730.1274

  • President-Elect
    Gary O’Neil (2023)
    CenterPoint Energy
    832.547.7209

  • Vice President
    Ronny Nelson (2023)
    President Simply Horticulture
    972.750.8386

  • Past President
    Mark Bird (2023)
    City Arborist
    City of San Antonio
    210.207.0278

  • Treasurer
    A.J. Thibodeaux (2023)
    SavATree, DFW
    214.317.2519

  • Council of Representatives Liaison to ISA
    Courtney Blevins (2023)
    Texas A&M Forest Service, Fort Worth
    (817) 879-3974

    Board of Directors

  • Priscilla Files (2023)
    Galveston Island Tree Conservancy
    4823 Houston Dr. Galveston, Texas 77553
    409.599.6357

  • Rachel McGregor (2025)
    Staff Forester Texas Trees Foundation
    Dallas
    214-953-1184

  • Amy Heath (2023)
    Texas Tree Surgeons
    972.633.5462 office

  • Kenney Shook (2023)
    Southern Botanical, Inc
    3151 Hallifax St. Suite 100
    Dallas, TX 75247
    972.322.8478 

  • Garrett Ryerson (2024)
    SavATree
    Houston
    281.541.3820

  • Jamie Thibodeaux (2025)
    Arborist, SavATree
    Dallas/Fort Worth
    817.524.9200

     

     

  • Kirsten Schneider (2024)
    City of Austin, PARD Forestry
    512.964.9573

  • Haywood Morgan (2023)
    Urban Forester Parks and Recreation Department
    City of Denton
    940.349.8337

  • Penny Swanner (2024)
    Vegetation Maintenance Supervisor
    Pedernales Electric Cooperative
    800-868-4791 x6225

  • Editor
    Heather McKnight (2023)
    City Arborist City of League City
    1701 W. League City Pkwy League City, TX 77573
    Phone: 281.554.1441

  • Certification Liaison
    Jesse Neumann (2024)
    City of Austin
    262.617.6966

     

    ISAT Executive Director

  • John Giedraitis
    Executive Director
    2013 Oakwood Trail
    College Station, TX 77845
    Phone 979.324.1929
    jpg@isatexas.com

    Gene Gehring
    Assistant Director
    gene@isatexas.com
    817.395.9055

    Megan Wood
    Program Manager
    megan@isatexas.com
    254.327.8017

  • ISAT Past Presidents:

    Mark Bird 21-22
    A.J. Thibodeaux 20-21
    Jason Alfaro 19-20
    Emily King 18-19
    Micah Pace 17-18
    Lara Schuman 16-17
    Vincent Debrock 15-16
    Markus Smith 14-15
    Michael Sultan 13-14
    Susan Henson 12-13
    Keith Brown 11-12
    Todd Watson 10-11
    Jim Carse 09-10
    John Giedraitis 08-09
    Jordy Hagen 07-08
    Gene Gehring 06-07
    Pat Wentworth 05-06
    Russell Peters 04-05
    James Tuttle 03-04
    Melinda Adams 02-03
    Mark Peterson 01-02
    Mike Richardson 00-01
    Len Newsom 99-00
    Harold Pitchford 98-99
    Pat Wentworth 97-98
    Kevin Bassett 96-97
    Jerry Pulley 95-96
    Russell Peters 94-95
    Gary White 93-94
    Jim Houser 92-93
    Len Newsom 91-92
    Ralph Flowers 90-91
    Mark Heil 89-90
    Larry Schaapveld 88-89
    Greg David 87-88
    Henry Painter 86-87
    Mike Walterscheidt 85-86
    Sue Simpson 84-85
    Harold Wilder 83-84
    R. D. Younger 82-83
    Sandy Rose 81-82
    Frank Cannon 80-81
    Bob Dewers 79-80
    Del Kennedy 78-79