![Harald Thorstein](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>)
Harald Thorstein
Chairman at
JACKTEL
Net worth: 14 M $ as of 29/06/2026
Profile
Harald Lorentz Thorstein is the founder of Arkwright London Ltd., founded in 2020, where the title held is Managing Partner.
Current jobs include Chairman at Jacktel AS, Chairman at Altus Intervention Holding Ltd., Director at Yara International ASA since 2023, Chairman at DOF Group ASA starting 2026, Non-Executive Director at Odfjell Drilling AS, Director at Ship Finance Management AS, Director at DOF ASA since 2023, Director at Frontline Corporate Services Ltd. since 2015, Director at Seabras Serviços de Petróleo SA, Director at Sevan Drilling Rig VI AS, Director at Seadrill UK Ltd. since 2012, Director at Seadrill Dione Ltd., Director at Paratus Seabras UK Ltd., Director at Seadrill Titan Ltd., Director at Seadrill Umbriel Ltd., and Director at AquaShip AS.
Former jobs include Chairman & Chief Executive Officer at Deep Sea Supply Plc from 2013 to 2015, Chairman at Aktiv Kapital ASA, Chairman at B2 Impact ASA, Director at Golden Ocean Group Ltd. from 2014 to 2015, Director at Northern Offshore Ltd., Director at Aquadrill LLC from 2012 to 2020, Director at SFL Corp.
Ltd., Director at Seadrill Ltd. from 2017 to 2019, Director at DOF Subsea AS, Director at Archer Ltd. from 2015 to 2016, Director at Independent Tankers Corp.
Ltd. from 2014 to 2015, Director at Axactor ASA from 2017 to 2018, Director at Asia Offshore Drilling Ltd. in 2013, Director at North Atlantic Drilling Ltd. from 2013 to 2015, Director at Frontline 2012 Ltd. from 2014 to 2015, Director at Archer Well Co., Inc., Director at Solstad Offshore ASA, Director at Paratus Energy Services Ltd., Director at Altus Intervention AS, Director at Odfjell Technology Ltd. from 2025 to 2026, Non-Executive Director at Odfjell Drilling Ltd. from 2022 to 2026, and Partner at Arkwright Group Ltd. from 2004 to 2008.
Education includes graduate degree from Norwegian University of Science & Technology.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
JACKTEL AS 7.09% | 24/03/2026 | 14,708,600 ( 7.09% ) | 8 M $ | 29/06/2026 |
DOF GROUP ASA 0.09% | 30/12/2024 | 228,261 ( 0.09% ) | 3 M $ | 29/06/2026 |
JACKTEL AS 7.5% | 24/03/2026 | 4,116,400 ( 7.5% ) | 2 M $ | 29/06/2026 |
B2 IMPACT ASA 0.1% | 30/12/2024 | 360,000 ( 0.1% ) | 873 122 $ | 29/06/2026 |
| 30/12/2025 | 2,000 ( 0% ) | 88 000 $ | 29/06/2026 |
Harald Thorstein active positions
| Companies | Position | Start |
|---|---|---|
| YARA INTERNATIONAL ASA | Director/Board Member | 11/06/2023 |
| JACKTEL | Chairman | - |
| DOF GROUP ASA | Chairman | 06/05/2026 |
Odfjell Drilling AS
 Odfjell Drilling AS Contract DrillingIndustrial Services Provides drilling, engineering, and well service contractors | Director/Board Member | - |
AquaShip AS
 AquaShip AS Marine ShippingTransportation Operates specialized vessels to transport live fish and feed | Director/Board Member | - |
DOF ASA
 DOF ASA Oilfield Services/EquipmentIndustrial Services Provides offshore energy and engineering services | Director/Board Member | 31/12/2022 |
Altus Intervention Holding Ltd.
 Altus Intervention Holding Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Chairman | - |
Sevan Drilling Rig VI AS
 Sevan Drilling Rig VI AS Oil & Gas ProductionEnergy Minerals Provides oil and gas extraction services | Director/Board Member | - |
Seabras Serviços de Petróleo SA
 Seabras Serviços de Petróleo SA Contract DrillingIndustrial Services Seabras Serviços de Petróleo SA engages in the drilling of oil and gas wells. The company is headquartered in Hamilton City , Bermuda. | Director/Board Member | - |
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Former positions of Harald Thorstein
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Training of Harald Thorstein
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
44
1st degree connections
40
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 40 |
|---|---|
Golden Ocean Group Ltd. /Old/
 Golden Ocean Group Ltd. /Old/ Trucks/Construction/Farm MachineryProducer Manufacturing Operates as a holding company with interest in owning, operating and constructing dry bulk ships | Producer Manufacturing |
Northern Offshore Ltd.
 Northern Offshore Ltd. Contract DrillingIndustrial Services Operates offshore oil and gas production and drilling vessels | Industrial Services |
Yara International ASA
 Yara International ASA Chemicals: AgriculturalProcess Industries Produces and supplies finished fertilizers and ammonia | Process Industries |
Odfjell Drilling AS
Odfjell Drilling AS Contract DrillingIndustrial Services Provides drilling, engineering, and well service contractors | Industrial Services |
Deep Sea Supply Plc
 Deep Sea Supply Plc Marine ShippingTransportation Engages in offshore supply ship services | Transportation |
Ship Finance Management AS
 Ship Finance Management AS Marine ShippingTransportation Operates crude oil tankers | Transportation |
Aquadrill LLC
 Aquadrill LLC Contract DrillingIndustrial Services Owns, operates and acquires offshore drilling rigs | Industrial Services |
Aktiv Kapital ASA
 Aktiv Kapital ASA Investment Banks/BrokersFinance Invests, acquires and collects non-performing consumer loans | Finance |
DOF ASA
DOF ASA Oilfield Services/EquipmentIndustrial Services Provides offshore energy and engineering services | Industrial Services |
SFL Corp. Ltd.
 SFL Corp. Ltd. Marine ShippingTransportation Engages in the ownership and operation of vessels and offshore related assets | Transportation |
Seadrill Ltd. /Old/
 Seadrill Ltd. /Old/ Contract DrillingIndustrial Services Provides offshore deep water drilling services | Industrial Services |
Norwegian University of Science & Technology
 Norwegian University of Science & Technology Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
DOF Subsea AS
 DOF Subsea AS Engineering & ConstructionIndustrial Services Supplies subsea project services and vessels | Industrial Services |
Archer Ltd.
 Archer Ltd. Contract DrillingIndustrial Services Provides drilling oil and gas wells services | Industrial Services |
Independent Tankers Corp. Ltd.
 Independent Tankers Corp. Ltd. Marine ShippingTransportation Owns and operates crude oil tankers | Transportation |
Odfjell Drilling Ltd.
 Odfjell Drilling Ltd. Contract DrillingIndustrial Services Operates as a drilling, well service and engineering company | Industrial Services |
Frontline Corporate Services Ltd.
 Frontline Corporate Services Ltd. Miscellaneous Commercial ServicesCommercial Services Provides administrative and accounting services | Commercial Services |
Altus Intervention AS
 Altus Intervention AS Oilfield Services/EquipmentIndustrial Services Provides oil well intervention services | Industrial Services |
Axactor ASA
 Axactor ASA Miscellaneous Commercial ServicesCommercial Services Provides credit management services | Commercial Services |
Asia Offshore Drilling Ltd.
 Asia Offshore Drilling Ltd. Oilfield Services/EquipmentIndustrial Services Operates jack-up rigs | Industrial Services |
North Atlantic Drilling Ltd.
 North Atlantic Drilling Ltd. Contract DrillingIndustrial Services Provides offshore drilling services | Industrial Services |
Seabras Serviços de Petróleo SA
Seabras Serviços de Petróleo SA Contract DrillingIndustrial Services Seabras Serviços de Petróleo SA engages in the drilling of oil and gas wells. The company is headquartered in Hamilton City , Bermuda. | Industrial Services |
Frontline 2012 Ltd.
 Frontline 2012 Ltd. Marine ShippingTransportation Engages in the ownership and operation of tankers | Transportation |
Sevan Drilling Rig VI AS
Sevan Drilling Rig VI AS Oil & Gas ProductionEnergy Minerals Provides oil and gas extraction services | Energy Minerals |
Archer Well Co., Inc.
 Archer Well Co., Inc. Contract DrillingIndustrial Services Provides drilling and engineering services for oil wells | Industrial Services |
Seadrill UK Ltd.
 Seadrill UK Ltd. Contract DrillingIndustrial Services Provides drilling services to oil and gas industry | Industrial Services |
Odfjell Technology Ltd.
 Odfjell Technology Ltd. Contract DrillingIndustrial Services Provides well and energy services | Industrial Services |
B2 Impact ASA
 B2 Impact ASA Miscellaneous Commercial ServicesCommercial Services Provides debt collection and consumer lending services | Commercial Services |
Jacktel AS
 Jacktel AS Marine ShippingTransportation Provides deep sea freight transportation services | Transportation |
Solstad Offshore ASA
 Solstad Offshore ASA Marine ShippingTransportation Provides shipping and maritime services | Transportation |
Arkwright Group Ltd. | |
Paratus Energy Services Ltd.
 Paratus Energy Services Ltd. MiscellaneousMiscellaneous Operates as an investment holding company | Miscellaneous |
Seadrill Dione Ltd.
 Seadrill Dione Ltd. Oilfield Services/EquipmentIndustrial Services Provides oil and gas services | Industrial Services |
Seadrill Seabras UK Ltd.
 Seadrill Seabras UK Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Seadrill Titan Ltd.
 Seadrill Titan Ltd. Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services | Energy Minerals |
Seadrill Umbriel Ltd.
 Seadrill Umbriel Ltd. Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services | Energy Minerals |
AquaShip AS
AquaShip AS Marine ShippingTransportation Operates specialized vessels to transport live fish and feed | Transportation |
Altus Intervention Holding Ltd.
Altus Intervention Holding Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Arkwright London Ltd. | |
DOF Group ASA
 DOF Group ASA Oil Refining/MarketingEnergy Minerals Provides petrochemicals refining and trading and oil & natural gas exploration and production services | Energy Minerals |
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