![Charles Leykum](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>)
Fortuna: 2 M $ al 31/05/2026
Charles Syl Leykum is the founder of United Oilfield Services Sp zoo, founded in 2011.
Mr. Leykum is the founder of CSL Capital Management LLC, founded in 2008, serving as Managing Partner.
Mr. Leykum is the founder of Ranger Services LLC, founded in 2014, serving as Director.
Current jobs include Chairman & Chief Executive Officer at Talon Capital Corp.
starting in 2025, Chairman at Independence Oilfield Chemicals LLC, Chairman at BJ Services, Inc. since 2017, Director at Mission Well Services LLC, Director at Ranger Energy Services LLC since 2014, and Director at Raptor Lift Solutions LLC.
Former jobs include Chairman at PyraMax Ceramics LLC, Director at Niko Resources Ltd., Independent Director at Ranger Energy Services, Inc. from 2017 to 2024, Independent Director at Sentinel Energy Services, Inc. from 2017 to 2023, Portfolio Manager at Soros Fund Management LLC from 2004 to 2007, and Analyst at Goldman Sachs & Co. LLC from 1999 to 2002.
Education includes undergraduate degree from The Trustees of Columbia University in The City of New York in 1999, undergraduate degree from Harvard University, and MBA from Harvard Business School in 2004.
| Empresa | Fecha | Número de acciones | Valoración | Fecha de valoración |
|---|---|---|---|---|
| 30/05/2025 | 106.005 ( 0,45 % ) | 2 M $ | 31/05/2026 |
| Empresas | Cargo | Inicio |
|---|---|---|
CSL Capital Management LLC
 CSL Capital Management LLC Investment ManagersFinance CSL Capital invests companies in the United States. The firm focuses on companies operating in the fields of energy services, equipment and technology. It provides financing for growth stage capital requirements with an investment size ranging from USD 10 to 100 million. | Director Ejecutivo | 01/06/2008 |
Ranger Energy Services LLC
 Ranger Energy Services LLC Contract DrillingIndustrial Services Provides oilfield services | Director/Miembro de la Junta | 01/01/2014 |
BJ Services, Inc.
 BJ Services, Inc. Oilfield Services/EquipmentIndustrial Services Provides hydraulic fracturing and cementing services | Presidente | 01/06/2017 |
Independence Oilfield Chemicals LLC
 Independence Oilfield Chemicals LLC Construction MaterialsNon-Energy Minerals Specializes in stimulation of chemical and cementing solutions | Presidente | - |
Mission Well Services LLC
 Mission Well Services LLC Oilfield Services/EquipmentIndustrial Services Provides hydraulic fracturing and coiled tubing services to oil and gas exploration industry | Director/Miembro de la Junta | - |
Ranger Services LLC
 Ranger Services LLC Finance/Rental/LeasingFinance Engages in residential mortgage lending and real estate settlement services | Fundador | 01/01/2014 |
Raptor Lift Solutions LLC
 Raptor Lift Solutions LLC Industrial MachineryProducer Manufacturing Operates as a oilfield services company that provides artificial lift technologies and services | Director/Miembro de la Junta | - |
| Empresas | Cargo | Fin |
|---|---|---|
| RANGER ENERGY SERVICES, INC. | Director/Miembro de la Junta | 01/11/2024 |
| SENTINEL ENERGY SERVICES INC | Director/Miembro de la Junta | 01/01/2023 |
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Activas
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Empresas cotizadas
Empresas privadas
Relaciones de 1er grado
Empresas vinculadas al 1er grado
Hombre
Mujer
Administradores
Ejecutivos
| Empresas privadas | 17 |
|---|---|
Soros Fund Management LLC
 Soros Fund Management LLC Investment ManagersFinance SFM aims to protect and grow Open Society’s resources. The firm invests globally in a wide range of strategies and asset classes, including public equities, fixed income, commodities, foreign exchange, alternative assets and private equity. | Finance |
Niko Resources Ltd.
 Niko Resources Ltd. Oil & Gas ProductionEnergy Minerals Engages in the exploration, development and production of oil and natural gas | Energy Minerals |
The Trustees of Columbia University in The City of New York
 The Trustees of Columbia University in The City of New York Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Harvard University
 Harvard University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Goldman Sachs & Co. LLC
 Goldman Sachs & Co. LLC Investment Banks/BrokersFinance Provides brokerage services | Finance |
CSL Capital Management LLC
CSL Capital Management LLC Investment ManagersFinance CSL Capital invests companies in the United States. The firm focuses on companies operating in the fields of energy services, equipment and technology. It provides financing for growth stage capital requirements with an investment size ranging from USD 10 to 100 million. | Finance |
PyraMax Ceramics LLC
 PyraMax Ceramics LLC Oilfield Services/EquipmentIndustrial Services Produces ceramic granules used in the oil and gas industry | Industrial Services |
United Oilfield Services Sp zoo
 United Oilfield Services Sp zoo Contract DrillingIndustrial Services Provides seismic, drilling and well completion services in oil and gas exploration and production | Industrial Services |
Mission Well Services LLC
Mission Well Services LLC Oilfield Services/EquipmentIndustrial Services Provides hydraulic fracturing and coiled tubing services to oil and gas exploration industry | Industrial Services |
Harvard Business School
 Harvard Business School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Independence Oilfield Chemicals LLC
Independence Oilfield Chemicals LLC Construction MaterialsNon-Energy Minerals Specializes in stimulation of chemical and cementing solutions | Non-Energy Minerals |
Ranger Energy Services LLC
Ranger Energy Services LLC Contract DrillingIndustrial Services Provides oilfield services | Industrial Services |
Ranger Energy Services, Inc.
 Ranger Energy Services, Inc. Oilfield Services/EquipmentIndustrial Services Provides well site services to the oil and gas industry | Industrial Services |
BJ Services, Inc.
BJ Services, Inc. Oilfield Services/EquipmentIndustrial Services Provides hydraulic fracturing and cementing services | Industrial Services |
Sentinel Energy Services, Inc.
 Sentinel Energy Services, Inc. Finance/Rental/LeasingFinance Operates as a special purpose company | Finance |
Ranger Services LLC
Ranger Services LLC Finance/Rental/LeasingFinance Engages in residential mortgage lending and real estate settlement services | Finance |
Raptor Lift Solutions LLC
Raptor Lift Solutions LLC Industrial MachineryProducer Manufacturing Operates as a oilfield services company that provides artificial lift technologies and services | Producer Manufacturing |
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