Annabelle Sebesta

( Texas )

Subjects: All Subjects

Clients

1) a16z

2) Advanced Power Alliance

3) Air Liquide

4) Atascosa County

5) Baker Institute

6) BayMark Health Services

7) Bristow Group

8) Cemex

9) Climavision Operating, LLC

10) Community Choice Financial OpCo, LLC

11) Community Health Choice

12) DeWitt County

13) Endeavors

14) Environmental Defense Action Fund

15) Fort Bend Chamber of Commerce

16) Garner Environmental

17) Gonzales County

18) Harris Health System

19) Hewlett-Packard Enterprise Company

20) Houston Firefighters Relief and Retirement Fund

21) Hunt Companies, Inc.

22) Luminant Generation Company LLC

23) McMullen County

24) Motorola Solutions, Inc.

25) Outfront Media Inc.

26) Pagewood

27) Parsons Corporation

28) PrizePicks

29) QuikTrip Corporation

30) Rice University

31) RSM LLP

32) San Jacinto River Authority

33) Simon Wiesenthal Center

34) Speedy Stop Food Stores LLC

35) Texans for Charitable Bingo Inc

36) Texas EMS Alliance Association

37) Texas Manufactured Housing Association

38) Texas Medical Center

39) Texas Pacific Land Corporation

40) Texas Poultry Federation

41) TXU Energy Retail Company LLC

42) Vistra Corp.

43) Vistra Corporate Services Company

44) Waterford.org

45) 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: October 05, 2025