Annabelle Sebesta
Cornerstone Government Affairs
asebesta@cgagroup.com
771-210-9192
919 Congress Avenue, Suite 1000, Austin, TX, 78701, 
Subjects: All Subjects
Links: Website, LinkedIn
1) Advanced Power Alliance
2) Air Liquide
3) Atascosa County
4) Bristow Group
5) Community Choice Financial OpCo, LLC
6) Community Health Choice
7) DeWitt County
8) Endeavors
9) Environmental Defense Action Fund
10) Fort Bend Chamber of Commerce
11) Garner Environmental Services, Inc.
12) Gonzales County
13) Harris Health System
14) Hewlett-Packard Enterprise Company
15) Houston Firefighters Relief and Retirement Fund
16) Hunt Companies, Inc.
17) Luminant Generation Company LLC
18) McMullen County
19) Motorola Solutions, Inc.
20) Outfront Media Inc.
21) Pagewood
22) PrizePicks
23) QuikTrip Corporation
24) Rice University
25) RSM LLP
26) San Jacinto River Authority
27) Speedy Stop Food Stores LLC
28) Texans for Charitable Bingo Inc
29) Texas EMS Alliance Association
30) Texas Manufactured Housing Association
31) Texas Medical Center
32) Texas Pacific Land Corporation
33) Texas Poultry Federation
34) TXU Energy Retail Company LLC
35) Vistra Corp.
36) Vistra Corporate Services Company
37) Wellpath Recovery Solutions, LLC
0-5 years
Annabelle Sebesta joined the Austin office as a Senior Associate in October 2022. In her role, she assists with administrative and support duties, scheduling meetings and organizing annual events and legislative receptions. Additionally, during the legislative sessions, she provides extensive support to the team by following legislation and keeping the team up to date with information.Prior to Cornerstone, Annabelle served as Administrative Coordinator at the Office of the Texas Speaker. In this role, she assisted senior staff with correspondence, resource navigation, special property and supply requests. In the same office, Annabelle was a Correspondence Assistant, where she drafted correspondence by researching legislation and maintained data entry for incoming and outgoing communication. She also assisted the director of administration with onboarding the 87th regular legislative session intern class and new staff members of the office, as well as the production of special events.Annabelle received her bachelor's degree in advertising from the University of Texas Austin.
Last Updated: October 11, 2026