Rigas Mathios

Chief Executive Officer at ENERGEAN PLC

Net worth: 163 M $ as of 2026-05-30

58 year

24 connections

Consumer Services

Finance

Process Industries

Profile

Rigas Mathios is the founder of Mavin SA. Current jobs include Chairman & Chief Executive Officer at Energean Oil & Gas SA since 2007, Chief Executive Officer at Energean Israel Ltd. since 2016, and Chief Executive Officer & Executive Director at Energean Plc since 2017.
Former jobs include Managing Director at Capital Connect Venture Managers SA from 2001 to 2007, Managing Director at Tyres Herco SA, and VP-Shipping, Energy & Project Finance at Chase Manhattan Bank (London Branch) from 1993 to 1999.
Education includes a graduate degree from Imperial College London and an undergraduate degree from National Technical University of Athens.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
ENERGEAN PLC 8.36%	2026-07-05	15,436,770 ( 8.36% )	163 M $	2026-05-30

Rigas Mathios active positions

Companies	Position	Start
ENERGEAN PLC	Chief Executive Officer	2006-12-31
Mavin SA Mavin SA Agricultural Commodities/MillingProcess Industries Converts brewery and other organic by-products to protein food supplements	Chief Executive Officer	-
Energean Oil & Gas SA Energean Oil & Gas SA Contract DrillingIndustrial Services Explores, extracts & produces crude oil and gas	Chief Executive Officer	2006-12-31
Energean Israel Ltd. Energean Israel Ltd. Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services	Chief Executive Officer	2016-09-27

All active positions of Rigas Mathios

Former positions of Rigas Mathios

Companies	Position	End
Capital Connect Venture Managers SA Capital Connect Venture Managers SA Investment ManagersFinance CCVM is an active manager which provides equity and mezzanine financing for early and later stage capital requirements. The firm targets companies operating in the fields of health technology, health services, consumer non-durables, consumer services, and finance. It invests primarily in Greek companies valued between EUR1-3 million, and looks to take a majority stake positions as well as a seat on the board.	Private Equity Investor	2006-12-31
Chase Manhattan Bank (London Branch) Chase Manhattan Bank (London Branch) Regional BanksFinance Provides commercial banking services	Corporate Officer/Principal	1998-12-31
Tyres Herco SA Tyres Herco SA Chemicals: SpecialtyProcess Industries Recycles scrap commercial vehicle tyres	Chairman	-

See the detail of Rigas Mathios's experience

Training of Rigas Mathios

Experiences
Positions held

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Private companies

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Connections

1st degree connections

1st degree companies

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Members of the board

Executives

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Linked companies

Private companies	9
Imperial College London Imperial College London Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
National Technical University of Athens National Technical University of Athens Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Chase Manhattan Bank (London Branch) Chase Manhattan Bank (London Branch) Regional BanksFinance Provides commercial banking services	Finance
Capital Connect Venture Managers SA Capital Connect Venture Managers SA Investment ManagersFinance CCVM is an active manager which provides equity and mezzanine financing for early and later stage capital requirements. The firm targets companies operating in the fields of health technology, health services, consumer non-durables, consumer services, and finance. It invests primarily in Greek companies valued between EUR1-3 million, and looks to take a majority stake positions as well as a seat on the board.	Finance
Tyres Herco SA Tyres Herco SA Chemicals: SpecialtyProcess Industries Recycles scrap commercial vehicle tyres	Process Industries
Mavin SA Mavin SA Agricultural Commodities/MillingProcess Industries Converts brewery and other organic by-products to protein food supplements	Process Industries
Energean Oil & Gas SA Energean Oil & Gas SA Contract DrillingIndustrial Services Explores, extracts & produces crude oil and gas	Industrial Services
Energean Israel Ltd. Energean Israel Ltd. Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services	Energy Minerals
Energean Plc Energean Plc Oil & Gas ProductionEnergy Minerals Engages in the exploration and production of hydrocarbons from oil & gas	Energy Minerals