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Anton Dibowitz
Chief Executive Officer at
VALARIS LIMITED
Net worth: 20 M $ as of 2026-05-30
Profile
Anton Dibowitz is currently President, Chief Executive Officer & Director at Valaris Ltd. since 2021.
Mr. Dibowitz is also Chief Commercial Officer & Senior Vice President at North Atlantic Norway Ltd. (Norway) since 2013.
Formerly, Mr. Dibowitz was President & Chief Executive Officer at Seadrill Ltd. from 2017 to 2020.
Mr. Dibowitz served as Chief Executive Officer at New Sdrl Ltd. Mr. Dibowitz held the position of Head-Marketing at Transocean, Inc. Mr. Dibowitz worked as Manager-Tax Services at Ernst & Young LLP.
Mr. Dibowitz was Chief Commercial Officer & Senior Vice President at Seadrill Management Ltd. from 2013 to 2016.
Mr. Dibowitz completed undergraduate, graduate, and MBAistration degrees at The University of Texas at Austin.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
VALARIS LTD. 0.31% | 2026-04-15 | 216,602 ( 0.31% ) | 20 M $ | 2026-05-30 |
Anton Dibowitz active positions
| Companies | Position | Start |
|---|---|---|
| VALARIS LIMITED | Chief Executive Officer | 2021-09-02 |
North Atlantic Norway Ltd. (Norway)
 North Atlantic Norway Ltd. (Norway) Contract DrillingIndustrial Services Provides deepwater drilling services | Corporate Officer/Principal | - |
Former positions of Anton Dibowitz
| Companies | Position | End |
|---|---|---|
| SEADRILL LIMITED | Chief Executive Officer | 2020-09-30 |
New Sdrl Ltd.
 New Sdrl Ltd. New Sdrl Ltd. engages in providing offshore drilling services to the oil and gas industry. It owns and operates drill ships, semi-submersible rigs and jack-up rigs for operations in shallow, mid, deep and ultra-deep water areas, and in benign and harsh environments. The company was founded on March 14, 2018 and is headquartered in Hamilton, BM. | Chief Executive Officer | - |
Ernst & Young LLP
 Ernst & Young LLP Miscellaneous Commercial ServicesCommercial Services Provides assurance, auditing, tax, legal, technology and consulting & managed services | Corporate Officer/Principal | - |
Seadrill Management Ltd.
 Seadrill Management Ltd. Oil & Gas ProductionEnergy Minerals Provides management and operational services relating to various drilling units | Chief Executive Officer | - |
Transocean, Inc. /Old/
 Transocean, Inc. /Old/ Contract DrillingIndustrial Services Provides offshore contract drilling services for oil and gas wells | Sales & Marketing | - |
Training of Anton Dibowitz
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
39
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Transocean, Inc. /Old/
Transocean, Inc. /Old/ Contract DrillingIndustrial Services Provides offshore contract drilling services for oil and gas wells | Industrial Services |
Ernst & Young LLP
Ernst & Young LLP Miscellaneous Commercial ServicesCommercial Services Provides assurance, auditing, tax, legal, technology and consulting & managed services | Commercial Services |
The University of Texas at Austin
 The University of Texas at Austin Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Seadrill Ltd. /Old/
 Seadrill Ltd. /Old/ Contract DrillingIndustrial Services Provides offshore deep water drilling services | Industrial Services |
North Atlantic Norway Ltd. (Norway)
North Atlantic Norway Ltd. (Norway) Contract DrillingIndustrial Services Provides deepwater drilling services | Industrial Services |
Seadrill Management Ltd.
Seadrill Management Ltd. Oil & Gas ProductionEnergy Minerals Provides management and operational services relating to various drilling units | Energy Minerals |
New Sdrl Ltd.
New Sdrl Ltd. New Sdrl Ltd. engages in providing offshore drilling services to the oil and gas industry. It owns and operates drill ships, semi-submersible rigs and jack-up rigs for operations in shallow, mid, deep and ultra-deep water areas, and in benign and harsh environments. The company was founded on March 14, 2018 and is headquartered in Hamilton, BM. | |
Valaris Ltd.
 Valaris Ltd. Contract DrillingIndustrial Services Provides offshore drilling services | Industrial Services |
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