Harry Quarls

Chairman at ESS TECH, INC.

Net worth: 836 865 $ as of 31/05/2026

73 year

75 connections

Energy Minerals

Finance

Industrial Services

Profile

Mr. Harry F.
Quarls is a Chairman at ESS Tech, Inc., an Independent Director at Seadrill Ltd., a Chairman at CHC Helicopter Support Services (US), Inc., a Chairman at EP Energy LLC, a Chairman at Key Energy Services, Inc., a Chairman at Sunrise Oil & Gas, Inc. (Texas), a Chairman at CHC Group LLC and a Chairman at Woodbine Holdings LLC.
He is on the Board of Directors at Seadrill Ltd., E&P Consulting, Fairway Resources Partners II LLC and FlexSteel Pipeline Technologies LLC.
Mr. Quarls was previously employed as a Chairman by EP Energy Corp., a Chairman by Mesquite Energy, Inc., an Independent Director by PetroQuest Energy, Inc., an Independent Director by Gastar Exploration LLC, a Chairman by SH 130 Concession Co. LLC, an Independent Director by Rosehill Resources, Inc., a Chairman by US Oil Sands, Inc., an Executive Chairman by Penn Virginia Corp., a Chairman by Trident Resources Corp.
(Alberta), a Chairman by Woodbine Acquisition Corp., a Managing Director by Global Infrastructure Partners, Inc., a Director & Managing Director-Global Energy by Booz & Co. (San Francisco), a Managing Director by Global Infrastructure Management LLC, a Vice Chairman by Green Rock Energy LLC, a Chairman by MD America Energy LLC, and a Director & Managing Director by Strategy&.
He also served on the board at Fairway Resources, Inc., Opal Resources LLC and Fairway Resources LLC.
He received his undergraduate degree from Tulane University (Louisiana), a graduate degree from Massachusetts Institute of Technology and an MBA from Stanford University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
SEADRILL LIMITED 0.03%	03/06/2026	16,269 ( 0.03% )	767 409 $	31/05/2026
ESS TECH INC 0.23%	29/05/2026	68,769 ( 0.23% )	69 457 $	31/05/2026

Harry Quarls active positions

Companies	Position	Start
KEY ENERGY SERVICES, INC.	Chairman	06/03/2020
SEADRILL LIMITED	Director/Board Member	03/04/2023
CHC GROUP LLC	Chairman	-
ESS TECH, INC.	Chairman	29/08/2023
FlexSteel Pipeline Technologies LLC FlexSteel Pipeline Technologies LLC Oilfield Services/EquipmentIndustrial Services Engages in installation of pipe products and pipeline construction projects	Director/Board Member	-
Sunrise Oil & Gas, Inc. (Texas) Sunrise Oil & Gas, Inc. (Texas) Integrated OilEnergy Minerals Engages in the production of oil and gas	Chairman	01/01/2020
EP Energy LLC EP Energy LLC Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services	Chairman	01/10/2020
Fairway Resources Partners II LLC Fairway Resources Partners II LLC Oil & Gas ProductionEnergy Minerals Owns and operates oil and gas properties	Director/Board Member	-
Woodbine Holdings LLC Woodbine Holdings LLC Oil & Gas ProductionEnergy Minerals Engages in oil and gas extraction service	Chairman	-
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All active positions of Harry Quarls

Former positions of Harry Quarls

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See the detail of Harry Quarls's experience

Training of Harry Quarls

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Harry Quarls's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	33
Key Energy Services, Inc. Key Energy Services, Inc. Oilfield Services/EquipmentIndustrial Services Provides oil and gas well drilling & completion services	Industrial Services
Ranger Oil Corp. Ranger Oil Corp. Oil & Gas ProductionEnergy Minerals Engages in the onshore development and production of crude oil and natural gas	Energy Minerals
PetroQuest Energy, Inc. PetroQuest Energy, Inc. Oil & Gas ProductionEnergy Minerals Explores and develops oil and gas properties	Energy Minerals
Gastar Exploration LLC Gastar Exploration LLC Oil & Gas ProductionEnergy Minerals Explores, develops and produces natural gas, condensate and oil	Energy Minerals
Trident Resources Corp. (Alberta) Trident Resources Corp. (Alberta) Gas DistributorsUtilities Provides natural gas exploration services	Utilities
Mesquite Energy, Inc. Mesquite Energy, Inc. Integrated OilEnergy Minerals Operates as an oil and natural gas exploration & production company	Energy Minerals
Stanford University Stanford University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Massachusetts Institute of Technology Massachusetts Institute of Technology Finance/Rental/LeasingFinance Functions as a College/University	Finance
Tulane University (Louisiana) Tulane University (Louisiana) Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Global Infrastructure Management LLC Global Infrastructure Management LLC Investment ManagersFinance GIP invests in companies located across the globe. The firm targets companies operating in the fields of energy, transportation, digital infrastructure, water and waste management sectors. It provides financing in the form of debt & equity for buyout transactions and infrastructure projects. It acquires controlling interest and also acts as a lead investor.	Finance
Fairway Resources, Inc.
Strategy& Strategy& Miscellaneous Commercial ServicesCommercial Services Provides business strategy consulting services	Commercial Services
E&P Consulting E&P Consulting Miscellaneous Commercial ServicesCommercial Services Provides management consulting services	Commercial Services
Green Rock Energy LLC Green Rock Energy LLC Oil & Gas ProductionEnergy Minerals Engages in oil and gas exploration	Energy Minerals
US Oil Sands, Inc. US Oil Sands, Inc. Integrated OilEnergy Minerals Engages in the exploration and development of oil sands properties	Energy Minerals
EP Energy Corp. EP Energy Corp. Oil & Gas ProductionEnergy Minerals Operates as an oil and gas exploration and development company	Energy Minerals
Woodbine Holdings LLC Woodbine Holdings LLC Oil & Gas ProductionEnergy Minerals Engages in oil and gas extraction service	Energy Minerals
Woodbine Acquisition Corp. Woodbine Acquisition Corp. Financial ConglomeratesFinance Investment Company Vehicle	Finance
SH 130 Concession Co. LLC SH 130 Concession Co. LLC Other TransportationTransportation Operates toll gates	Transportation
Opal Resources LLC Opal Resources LLC Oilfield Services/EquipmentIndustrial Services Operates oil and gas properties	Industrial Services
FlexSteel Pipeline Technologies LLC FlexSteel Pipeline Technologies LLC Oilfield Services/EquipmentIndustrial Services Engages in installation of pipe products and pipeline construction projects	Industrial Services
MD America Energy LLC MD America Energy LLC Oil & Gas ProductionEnergy Minerals Operates as an oil and gas exploration company	Energy Minerals
EP Energy LLC EP Energy LLC Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services	Energy Minerals
CHC Helicopter Support Services (US), Inc. CHC Helicopter Support Services (US), Inc. Wholesale DistributorsDistribution Services Wholesales and distributes transportation equipment and supplies	Distribution Services
Fairway Resources Partners II LLC Fairway Resources Partners II LLC Oil & Gas ProductionEnergy Minerals Owns and operates oil and gas properties	Energy Minerals
Fairway Resources LLC Fairway Resources LLC Finance/Rental/LeasingFinance Fairway Resources LLC is a private company based in Southlake, TX and has subsidiaries in the United States.	Finance
CHC Group LLC CHC Group LLC AirlinesTransportation Provides unmatched helicopter services	Transportation
Rosehill Resources, Inc. Rosehill Resources, Inc. MiscellaneousMiscellaneous Explores for oil and natural gas	Miscellaneous
Global Infrastructure Partners, Inc. Global Infrastructure Partners, Inc. Financial ConglomeratesFinance Operates an infrastructure investment firm	Finance
Booz & Co. (San Francisco) Booz & Co. (San Francisco) Wholesale DistributorsDistribution Services Wholesales glass doors	Distribution Services
Sunrise Oil & Gas, Inc. (Texas) Sunrise Oil & Gas, Inc. (Texas) Integrated OilEnergy Minerals Engages in the production of oil and gas	Energy Minerals
ESS Tech, Inc. ESS Tech, Inc. Electrical ProductsProducer Manufacturing Manufactures and commercializes iron flow batteries for commercial and utility-scale energy storage applications	Producer Manufacturing
Seadrill Ltd. Seadrill Ltd. Contract DrillingIndustrial Services Provides offshore drilling services	Industrial Services