Jeffrey Stein

Chairman at OCTAVE SPECIALTY GROUP, INC.

Net worth: 1 M $ as of 2026-05-30

55 year

57 connections

Finance

Energy Minerals

Utilities

Profile

Jeffrey Scott Stein founded Durham Asset Management LLC in 2002, where he worked as Principal from 2002 to 2011, Power Capital Partners LLC in 2011, where he is working as Managing Partner from 2011, Stein Advisors LLC in 2010, where he is working as Managing Partner from 2010, and various other companies.
Mr. Stein also founded Power Capital Advisors LLC, where he is working as Managing Partner.
Mr. Stein also currently works at Octave Specialty Group, Inc., as Independent Chairman from 2015, Ambac Assurance Corp., as Director from 2015, Granite Ridge Holdings LLC, as Director, and various other companies.
Mr. Stein also formerly worked at GWG Holdings, Inc., as President, Chief Executive Officer & Director from 2022 to 2023, Westmoreland Coal Company Asset Corp., as Chief Executive Officer from 2019 to 2022, Liberty Steel Group Holdings Pte Ltd., as Chairman & Chief Restructuring Officer from 2021 to 2023, and various other companies.
Mr. Stein received his undergraduate degree from Brandeis University and Masters Business Admin degree from New York University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
OCTAVE SPECIALTY GROUP, INC. 0.48%	2026-04-01	217,807 ( 0.48% )	1 M $	2026-05-30

Jeffrey Stein active positions

Companies	Position	Start
OCTAVE SPECIALTY GROUP, INC.	Chairman	2014-12-31
SUNNOVA ENERGY INTERNATIONAL INC.	Director/Board Member	2025-04-10
SONDER HOLDINGS INC.	Director/Board Member	2025-09-22
DITECH HOLDING CORPORATION	Director/Board Member	2019-09-30
Linqto, Inc. Linqto, Inc. Internet Software/ServicesTechnology Services Operates as a technology-enabled investment platform for private securities and investments	Corporate Officer/Principal	2025-04-30
Philadelphia Energy Solutions LLC Philadelphia Energy Solutions LLC Oil Refining/MarketingEnergy Minerals Operates as a holding company whose subsidies provides crude oil refining and logistics services	Director/Board Member	2020-06-30
Granite Ridge Holdings LLC Granite Ridge Holdings LLC Electric UtilitiesUtilities Engages in the operation of gas fired power plant	Director/Board Member	-
Power Capital Partners LLC Power Capital Partners LLC Investment ManagersFinance Operates as a private equity firm	Founder	2010-12-31
Ambac Assurance Corp. Ambac Assurance Corp. Property/Casualty InsuranceFinance Operates as a holding company whose subsidiaries provides specialty property and casualty insurance	Director/Board Member	2014-12-31

All active positions of Jeffrey Stein

Former positions of Jeffrey Stein

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See the detail of Jeffrey Stein's experience

Training of Jeffrey Stein

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Jeffrey Stein's experience

Connections

1st degree connections

1st degree companies

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Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	33
Octave Specialty Group, Inc. Octave Specialty Group, Inc. Specialty InsuranceFinance Operates as a holding company with the interests in providing financial services	Finance
Rite Aid Corp. Rite Aid Corp. Drugstore ChainsRetail Trade Operates as a pharmacy and health services network	Retail Trade
Shearson Lehman Brothers Holdings, Inc. Shearson Lehman Brothers Holdings, Inc. Investment Banks/BrokersFinance Provides Security Broker services	Finance
Westmoreland Coal Co. Westmoreland Coal Co. CoalEnergy Minerals Operates as a holding company whose subsidiaries produces and sells thermal coal	Energy Minerals
Aearo Technologies LLC Aearo Technologies LLC Other Consumer ServicesConsumer Services Manufactures and markets personal protective equipment and energy-absorbing products	Consumer Services
KGen Power Corp. KGen Power Corp. Electric UtilitiesUtilities Operates power generating facilities	Utilities
NMC Health Plc NMC Health Plc Medical/Nursing ServicesHealth Services Provides healthcare and professional medical services & wholesales pharmaceutical goods, medical equipment, cosmetics, food and information technology products	Health Services
Whiting Petroleum Corp. Whiting Petroleum Corp. Integrated OilEnergy Minerals Engages in the acquisition, development and production of oil and natural gas	Energy Minerals
Ambac Assurance Corp. Ambac Assurance Corp. Property/Casualty InsuranceFinance Operates as a holding company whose subsidiaries provides specialty property and casualty insurance	Finance
The Delaware Bay Co., Inc. The Delaware Bay Co., Inc. Investment ManagersFinance Alternative investment manager	Finance
Brandeis University Brandeis University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
New York University New York University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Durham Asset Management LLC Durham Asset Management LLC Investment ManagersFinance Durham Asset Management manages both onshore and offshore hedge funds and structured products. The firm specializes in distressed debt and special situations. The firm takes a value-oriented, global, event-driven approach to investing	Finance
US Power Generating Co. LLC US Power Generating Co. LLC Electric UtilitiesUtilities Owns and operates power generation facilities	Utilities
Dynegy, Inc. Dynegy, Inc. Electric UtilitiesUtilities Operates as a holding company with interest in electric energy, capacity and ancillary services	Utilities
Vertex Energy, Inc. Vertex Energy, Inc. Oil Refining/MarketingEnergy Minerals Refines and markets conventional & alternative fuels used motor oil and petroleum by products	Energy Minerals
Ditech Holding Corp. Ditech Holding Corp. Finance/Rental/LeasingFinance Operates as mortgage banking company which focuses on the servicing and origination of residential loans, including reverse loans	Finance
GWG Holdings, Inc. GWG Holdings, Inc. Life/Health InsuranceFinance Operates as holding company with interest in life insurance business	Finance
Philadelphia Energy Solutions LLC Philadelphia Energy Solutions LLC Oil Refining/MarketingEnergy Minerals Operates as a holding company whose subsidies provides crude oil refining and logistics services	Energy Minerals
Granite Ridge Holdings LLC Granite Ridge Holdings LLC Electric UtilitiesUtilities Engages in the operation of gas fired power plant	Utilities
Power Capital Partners LLC Power Capital Partners LLC Investment ManagersFinance Operates as a private equity firm	Finance
Philadelphia Energy Solutions, Inc. Philadelphia Energy Solutions, Inc. Oil Refining/MarketingEnergy Minerals Engages in the manufacture, processing, and sale of oil and gas	Energy Minerals
Stein Advisors LLC Stein Advisors LLC Investment ManagersFinance Operates as a financial advisory firm	Finance
Power Capital Advisors LLC Power Capital Advisors LLC Investment ManagersFinance Provides financial advisory and merchant banking services	Finance
MLR Petroleum LLC MLR Petroleum LLC Oil & Gas PipelinesIndustrial Services Provides crude oil shipping services	Industrial Services
Intelsat Connect Finance SA Intelsat Connect Finance SA Specialty TelecommunicationsCommunications Provides satellite communications services	Communications
Troika Media Group, Inc. Troika Media Group, Inc. Advertising/Marketing ServicesCommercial Services Provides marketing and branding services	Commercial Services
Linqto, Inc. Linqto, Inc. Internet Software/ServicesTechnology Services Operates as a technology-enabled investment platform for private securities and investments	Technology Services
Westmoreland Coal Company Asset Corp. Westmoreland Coal Company Asset Corp. Financial ConglomeratesFinance Functions as an investment holding company	Finance
Sunnova Energy International, Inc. Sunnova Energy International, Inc. Alternative Power GenerationUtilities Provides residential solar and energy storage services	Utilities
Seadrill North Atlantic Holdings Ltd. Seadrill North Atlantic Holdings Ltd. Financial ConglomeratesFinance Functions as an investment holding company	Finance
Liberty Steel Group Holdings Pte Ltd. Liberty Steel Group Holdings Pte Ltd. MiscellaneousMiscellaneous Functions as an investment holding company	Miscellaneous
Sonder Holdings, Inc. Sonder Holdings, Inc. Other Consumer ServicesConsumer Services Provides hospitality services	Consumer Services