Profil
The former Chairman of Portigon AG, Johannes Ringel, has served as a member of the supervisory boards for TUI AG, RUETGERS Chemicals AG, STEAG GmbH, RWE Energy AG, Hüttenwerke Krupp Mannesmann GmbH, and thyssenkrupp Steel Europe AG.
Anciens postes connus de Johannes Ringel
| Sociétés | Poste | Fin |
|---|---|---|
STEAG GmbH
STEAG GmbH Alternative Power GenerationUtilities Engages in implementing photovoltaics, wind and hydrogen projects for the decarbonization of industry | Directeur/Membre du Conseil | 03/04/2008 |
Portigon AG
Portigon AG Regional BanksFinance Provides banking services | Président | 12/01/2004 |
thyssenkrupp Steel Europe AG
thyssenkrupp Steel Europe AG SteelNon-Energy Minerals Produces and supplies flat steel products | Directeur/Membre du Conseil | - |
RWE Energy AG
RWE Energy AG Gas DistributorsUtilities Distributes gas and electricity | Directeur/Membre du Conseil | - |
RUETGERS Chemicals AG
RUETGERS Chemicals AG Chemicals: Major DiversifiedProcess Industries Produces tar chemicals and supplies raw materials to the aluminum and steel industries | Directeur/Membre du Conseil | - |
Expériences
Fonctions occupées
Actives
Inactives
Sociétés cotées
Entreprise privées
Sociétés liées
| Entreprise privées | 7 |
|---|---|
Portigon AG
Portigon AG Regional BanksFinance Provides banking services | Finance |
TUI AG
TUI AG Other Consumer ServicesConsumer Services Provides tour, hotel and resort & cruise services | Consumer Services |
RUETGERS Chemicals AG
RUETGERS Chemicals AG Chemicals: Major DiversifiedProcess Industries Produces tar chemicals and supplies raw materials to the aluminum and steel industries | Process Industries |
STEAG GmbH
STEAG GmbH Alternative Power GenerationUtilities Engages in implementing photovoltaics, wind and hydrogen projects for the decarbonization of industry | Utilities |
RWE Energy AG
RWE Energy AG Gas DistributorsUtilities Distributes gas and electricity | Utilities |
Hüttenwerke Krupp Mannesmann GmbH
Hüttenwerke Krupp Mannesmann GmbH SteelNon-Energy Minerals Manufactures steel and semi-finished products | Non-Energy Minerals |
thyssenkrupp Steel Europe AG
thyssenkrupp Steel Europe AG SteelNon-Energy Minerals Produces and supplies flat steel products | Non-Energy Minerals |
















