John Harrington

Chief Executive Officer at ZEPHYR ENERGY PLC

Net worth: 109 073 $ as of 2026-05-30

52 year

2 connections

Consumer Services

Finance

Energy Minerals

Profile

John Colin Harrington currently works at Zephyr Energy Plc, as Chief Executive Officer & Director from 2019 and The Key School, Inc., as Trustee.
Mr. Harrington also formerly worked at Wellford Capital Markets LLC, as Chief Executive Officer, Origin Creek Energy LLC, as Chief Executive Officer, Fbr Group, as Senior Vice President-Energy Investment Banking, Fbr International Ltd., as Head-Energy Investment Banking from 1996 to 2008, and Wellford Energy Group LLC, as Managing Partner from 2009 to 2016.
Mr. Harrington received his Masters Business Admin degree from The Wharton School of the University of Pennsylvania and undergraduate degree from Colby College.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
ZEPHYR ENERGY PLC 0.13%	2025-06-29	2,688,504 ( 0.13% )	109 073 $	2026-05-30

John Harrington active positions

Companies	Position	Start
ZEPHYR ENERGY PLC	Chief Executive Officer	2019-09-02
The Key School, Inc. The Key School, Inc. Other Consumer ServicesConsumer Services Operates as a school	Director/Board Member	-

All active positions of John Harrington

Former positions of John Harrington

Companies	Position	End
Wellford Energy Group LLC Wellford Energy Group LLC Miscellaneous Commercial ServicesCommercial Services Provides strategic advisory and investment banking services	Corporate Officer/Principal	2016-06-30
Fbr International Ltd.	Corporate Officer/Principal	2008-04-30
Fbr Group Fbr Group Insurance Brokers/ServicesFinance Provides tax management, insurance, investment, employee pension, retirement and estate planning services	Corporate Officer/Principal	-
Wellford Capital Markets LLC Wellford Capital Markets LLC Investment Banks/BrokersFinance Provides brokerage services	Chief Executive Officer	-
Origin Creek Energy LLC Origin Creek Energy LLC Investment ManagersFinance Provides investment advice services	Chief Executive Officer	-

See the detail of John Harrington's experience

Training of John Harrington

Experiences
Positions held

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Private companies

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Connections

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1st degree companies

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Female

Members of the board

Executives

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Linked companies

Private companies	9
Colby College Colby College Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Zephyr Energy Plc Zephyr Energy Plc Oil & Gas ProductionEnergy Minerals Engages in the exploration, development and mining of oil and gas properties	Energy Minerals
The Key School, Inc. The Key School, Inc. Other Consumer ServicesConsumer Services Operates as a school	Consumer Services
Wellford Capital Markets LLC Wellford Capital Markets LLC Investment Banks/BrokersFinance Provides brokerage services	Finance
The Wharton School of the University of Pennsylvania The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Wellford Energy Group LLC Wellford Energy Group LLC Miscellaneous Commercial ServicesCommercial Services Provides strategic advisory and investment banking services	Commercial Services
Origin Creek Energy LLC Origin Creek Energy LLC Investment ManagersFinance Provides investment advice services	Finance
Fbr Group Fbr Group Insurance Brokers/ServicesFinance Provides tax management, insurance, investment, employee pension, retirement and estate planning services	Finance
Fbr International Ltd.