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Rigas Mathios
Chief Executive Officer at
ENERGEAN PLC
Net worth: 162 M $ as of 31/05/2026
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 8.32% | 02/04/2026 | 15,360,471 ( 8.32% ) | 162 M $ | 31/05/2026 |
Rigas Mathios active positions
| Companies | Position | Start |
|---|---|---|
| ENERGEAN PLC | Chief Executive Officer | 01/01/2007 |
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 | 01/01/2007 |
Energean Israel Ltd.
 Energean Israel Ltd. Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services | Chief Executive Officer | 28/09/2016 |
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 | 01/01/2007 |
Chase Manhattan Bank (London Branch)
 Chase Manhattan Bank (London Branch) Regional BanksFinance Provides commercial banking services | Corporate Officer/Principal | 01/01/1999 |
Tyres Herco SA
 Tyres Herco SA Chemicals: SpecialtyProcess Industries Recycles scrap commercial vehicle tyres | Chairman | - |
Training of Rigas Mathios
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
24
1st degree connections
9
1st degree companies
Male
Female
Members of the board
Executives
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 |
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