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) BayMark Health Services
5) Bristow Group
6) Community Choice Financial OpCo, LLC
7) Community Health Choice
8) DeWitt County
9) Endeavors
10) Environmental Defense Action Fund
11) Fort Bend Chamber of Commerce
12) Garner Environmental Services, Inc.
13) Gonzales County
14) Harris Health System
15) Hewlett-Packard Enterprise Company
16) Houston Firefighters Relief and Retirement Fund
17) Hunt Companies, Inc.
18) Luminant Generation Company LLC
19) McMullen County
20) Motorola Solutions, Inc.
21) Outfront Media Inc.
22) Pagewood
23) PrizePicks
24) QuikTrip Corporation
25) Rice University
26) RSM LLP
27) San Jacinto River Authority
28) Speedy Stop Food Stores LLC
29) Texans for Charitable Bingo Inc
30) Texas EMS Alliance Association
31) Texas Manufactured Housing Association
32) Texas Medical Center
33) Texas Pacific Land Corporation
34) Texas Poultry Federation
35) TXU Energy Retail Company LLC
36) Vistra Corp.
37) Vistra Corporate Services Company
38) 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: January 08, 2026