![Stephen Mawer](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Stephen Mawer
Presidente presso
ClimeCo LLC
Patrimonio netto: 11 M $ in data 31/05/2026
Profilo
Stephen Patrick Mawer is currently Chairman at Calumet Specialty Products Partners LP since 2023, Chairman at ClimeCo LLC since 2017, Chairman at Calumet, Inc. since 2024, Director at Howard Midstream Energy Partners LLC since 2023, and Director at Zenith Energy Management LLC since 2014.
Former roles include Chairman at Calumet GP LLC from 2023 to 2024, President & Director at Koch Supply & Trading Co. Ltd. from 2000 to 2014, and President at KS&T International Holdings LP.
Education includes undergraduate and graduate degrees from the University of Cambridge.
Partecipazioni note in società pubbliche
| Società | Data | Numero di azioni | Valutazione | Data di valutazione |
|---|---|---|---|---|
0,35% | 02/06/2026 | 303.310 ( 0,35% ) | 11 M $ | 31/05/2026 |
Posizioni attive di Stephen Mawer
| Società | Posizione | Inizio |
|---|---|---|
Zenith Energy Management LLC
 Zenith Energy Management LLC Other TransportationTransportation Provides storage and logistics services for crude oil & refined products | Direttore/Membro del Consiglio | 01/11/2014 |
Calumet Specialty Products Partners LP
 Calumet Specialty Products Partners LP Oil Refining/MarketingEnergy Minerals Produces specialty hydrocarbon and fuel products | Presidente | 01/05/2022 |
ClimeCo LLC
 ClimeCo LLC Investment ManagersFinance ClimeCo invests in companies located in the United States. The firm focuses on carbon offsets, plastic credits, Renewable Energy Credits (RECs), Forecasted Mitigation Units (FMUs), criteria air pollutants and water quality credits. It provides financing for buyout transactions. | Presidente | 01/07/2017 |
Howard Midstream Energy Partners LLC
 Howard Midstream Energy Partners LLC Oil & Gas ProductionEnergy Minerals Engages in gathering, processing and transportation of natural gas | Direttore/Membro del Consiglio | 04/04/2023 |
Precedenti posizioni note di Stephen Mawer
| Società | Posizione | Fine |
|---|---|---|
Calumet GP LLC
 Calumet GP LLC Financial ConglomeratesFinance Provides investment services | Amministratore Delegato | 01/05/2022 |
Koch Supply & Trading Co. Ltd.
 Koch Supply & Trading Co. Ltd. Gas DistributorsUtilities Supplies natural gas, power and emissions for trading markets | Presidente | 07/05/2014 |
KS&T International Holdings LP
 KS&T International Holdings LP Oilfield Services/EquipmentIndustrial Services Produces & supplies petroleum products | Presidente | - |
Formazione di Stephen Mawer
Esperienze
Posizioni ricoperte
Attive
Inattive
Società nel listino
Aziende private
Relazioni
31
Relazioni di 1° grado
8
Aziende connesse in 1º grado
Uomo
Donna
Amministratori
Dirigenti
Società collegate
| Aziende private | 8 |
|---|---|
Calumet Specialty Products Partners LP
Calumet Specialty Products Partners LP Oil Refining/MarketingEnergy Minerals Produces specialty hydrocarbon and fuel products | Energy Minerals |
University of Cambridge
 University of Cambridge Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
KS&T International Holdings LP
KS&T International Holdings LP Oilfield Services/EquipmentIndustrial Services Produces & supplies petroleum products | Industrial Services |
Calumet GP LLC
Calumet GP LLC Financial ConglomeratesFinance Provides investment services | Finance |
Koch Supply & Trading Co. Ltd.
Koch Supply & Trading Co. Ltd. Gas DistributorsUtilities Supplies natural gas, power and emissions for trading markets | Utilities |
ClimeCo LLC
ClimeCo LLC Investment ManagersFinance ClimeCo invests in companies located in the United States. The firm focuses on carbon offsets, plastic credits, Renewable Energy Credits (RECs), Forecasted Mitigation Units (FMUs), criteria air pollutants and water quality credits. It provides financing for buyout transactions. | Finance |
Howard Midstream Energy Partners LLC
Howard Midstream Energy Partners LLC Oil & Gas ProductionEnergy Minerals Engages in gathering, processing and transportation of natural gas | Energy Minerals |
Zenith Energy Management LLC
Zenith Energy Management LLC Other TransportationTransportation Provides storage and logistics services for crude oil & refined products | Transportation |
