![Theresa Shaw](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Theresa Shaw
Director/Board Member at
AMEREN ILLINOIS COMPANY
Net worth: 4 M $ as of 30/05/2026
Profile
Theresa A. Shaw currently serves as CAO, Director, Chief Transformation Officer & SVP at Ameren Illinois Co. since 2018.
Ms. Shaw is Director at SERC Reliability Corp.
Ms. Shaw holds the position of Chief Accounting Officer & Senior VP-Finance at Ameren Corp.
since 2021.
Ms. Shaw is Chief Accounting Officer & Senior VP-Finance at Union Electric Co. Ms. Shaw is a Member of Edison Electric Institute, Inc. Formerly, Ms. Shaw was Vice President-Internal Audit at Ameren Corp.
from 2014 to 2018.
Ms. Shaw completed undergraduate and graduate degrees at the University of Illinois At Urbana–Champaign.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
AMEREN CORPORATION 0.01% | 13/05/2026 | 33,540 ( 0.01% ) | 4 M $ | 30/05/2026 |
Theresa Shaw active positions
| Companies | Position | Start |
|---|---|---|
| AMEREN ILLINOIS COMPANY | Director/Board Member | 20/02/2023 |
| AMEREN CORPORATION | Comptroller/Controller/Auditor | 15/08/2021 |
| UNION ELECTRIC CO | Comptroller/Controller/Auditor | - |
Edison Electric Institute, Inc.
 Edison Electric Institute, Inc. Miscellaneous Commercial ServicesCommercial Services Offers reference materials and information resources on the electricity industry to its members | Corporate Officer/Principal | - |
SERC Reliability Corp.
 SERC Reliability Corp. General GovernmentGovernment SERC Reliability Corp. is a company based in Charlotte, NC. | Director/Board Member | - |
Former positions of Theresa Shaw
| Companies | Position | End |
|---|---|---|
| AMEREN CORPORATION | Corporate Officer/Principal | 31/12/2017 |
Training of Theresa Shaw
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
62
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
Ameren Corp.
 Ameren Corp. Electric UtilitiesUtilities Engages in electric generation, transmission and natural gas distribution services | Utilities |
Union Electric Co.
 Union Electric Co. Electric UtilitiesUtilities Generates, transmits and distributes electric power & gas | Utilities |
Edison Electric Institute, Inc.
Edison Electric Institute, Inc. Miscellaneous Commercial ServicesCommercial Services Offers reference materials and information resources on the electricity industry to its members | Commercial Services |
SERC Reliability Corp.
SERC Reliability Corp. General GovernmentGovernment SERC Reliability Corp. is a company based in Charlotte, NC. | Government |
Ameren Illinois Co.
 Ameren Illinois Co. Gas DistributorsUtilities Distributes natural gas and electric power & generates electric power transmission | Utilities |
University of Illinois At Urbana–Champaign
 University of Illinois At Urbana–Champaign Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
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- Theresa Shaw
