Board of Directors
-
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
Officers
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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)
Yellowstone Landscape
Houston
713.494.0892 -
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 Whisenant (2024)
Vegetation Maintenance Supervisor
Pedernales Electric Cooperative
800-868-4791 x6225
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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
Board of Directors
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John Giedraitis
Executive Director
2013 Oakwood Trail
College Station, TX 77845
Phone 979.324.1929
jpg@isatexas.comGene Gehring
Assistant Director
gene@isatexas.com
817.395.9055Megan 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