![David Tonnel](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>)
David Tonnel
Comptroller/Controller/Auditor at
NUSCALE POWER CORPORATION
Net worth: 94 011 $ as of 2026-05-30
Profile
David A. Tonnel is currently Director & Vice President at Global Marine, Inc. and Chief Accounting Officer at NuScale Power Corp.
Formerly, Mr. Tonnel was Chief Accounting Officer & Senior Vice President at Transocean Ltd. from 2017 to 2024, Vice President-Integration & Process Improvement at Transocean, Inc. from 1996 to 2007, and Senior Auditor at Ernst & Young Audit SAS (France).
Mr. Tonnel graduated from École des Hautes Études Commerciales de Paris in 1991.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-03-24 | 7,420 ( 0% ) | 94 011 $ | 2026-05-30 |
David Tonnel active positions
| Companies | Position | Start |
|---|---|---|
| NUSCALE POWER CORPORATION | Comptroller/Controller/Auditor | 2024-12-31 |
Global Marine, Inc.
 Global Marine, Inc. Contract DrillingIndustrial Services Provides offshore drilling and management services | Director/Board Member | - |
Former positions of David Tonnel
| Companies | Position | End |
|---|---|---|
| TRANSOCEAN LTD. | Comptroller/Controller/Auditor | 2024-07-30 |
Transocean, Inc. /Old/
 Transocean, Inc. /Old/ Contract DrillingIndustrial Services Provides offshore contract drilling services for oil and gas wells | Corporate Officer/Principal | 2007-11-28 |
Ernst & Young Audit SAS (France)
 Ernst & Young Audit SAS (France) Miscellaneous Commercial ServicesCommercial Services Provides Auditing & Accounting Services | Comptroller/Controller/Auditor | - |
Training of David Tonnel
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
69
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
Global Marine, Inc.
Global Marine, Inc. Contract DrillingIndustrial Services Provides offshore drilling and management services | Industrial Services |
Transocean, Inc. /Old/
Transocean, Inc. /Old/ Contract DrillingIndustrial Services Provides offshore contract drilling services for oil and gas wells | Industrial Services |
Transocean Ltd.
 Transocean Ltd. Contract DrillingIndustrial Services Provides offshore contract drilling services for oil and gas wells | Industrial Services |
École des Hautes Études Commerciales de Paris
 École des Hautes Études Commerciales de Paris Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Ernst & Young Audit SAS (France)
Ernst & Young Audit SAS (France) Miscellaneous Commercial ServicesCommercial Services Provides Auditing & Accounting Services | Commercial Services |
NuScale Power Corp.
 NuScale Power Corp. Electrical ProductsProducer Manufacturing Provides water nuclear modular reactor technology | Producer Manufacturing |
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