Annabelle Sebesta

( Texas )

Subjects: All Subjects

Clients

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

Number of Years as a Lobbyist

0-5 years

Biography

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