![William Klesse](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>)
William Klesse
Direktor/Vorstandsmitglied bei
OCCIDENTAL PETROLEUM CORPORATION
Vermögen: 12 Mio $ am 30.09.2026
Profil
William R. Klesse ist ein Geschäftsmann, der an der Spitze von 6 verschiedenen Unternehmen gestanden hat und die Position des Präsidenten, Chief Executive Officer & Director bei Valero Services, Inc. und des Präsidenten & Chief Executive Officer bei Valero Renewable Fuels Co. LLC. Herr Klesse ist außerdem im Vorstand von 7 weiteren Unternehmen. Zuvor hatte er die Position des Chairman & Chief Executive Officer bei Valero Energy Corp. Chairman bei Valero Energy Partners LP, Chairman für Valero Energy Partners GP LLC und Executive Vice President-Refining Operations bei Ultramar Diamond Shamrock Corp. (alles Tochtergesellschaften der Valero Energy Corp.) und Vorsitzender bei NuStar Energy LP. Er erhielt einen Undergraduate-Abschluss von der University of Dayton und einen MBA von der West Texas A&M University.
Bekannte Unternehmensbeteiligungen
| Unternehmen | Datum | Anzahl der Aktien | Bewertung | Datum der Bewertung |
|---|---|---|---|---|
| 04.05.2026 | 222’149 ( 0.02% ) | 12 Mio $ | 30.09.2026 |
Aktive Positionen von William Klesse
| Unternehmen | Position | Beginn |
|---|---|---|
| OCCIDENTAL PETROLEUM CORPORATION | Direktor/Vorstandsmitglied | 11.10.2013 |
The Briscoe Western Art Museum
 The Briscoe Western Art Museum Other Consumer ServicesConsumer Services Operates as an art museum | Direktor/Vorstandsmitglied | - |
University of Dayton
 University of Dayton Other Consumer ServicesConsumer Services Functions as a College/University | Direktor/Vorstandsmitglied | - |
Valero Renewable Fuels Co. LLC
 Valero Renewable Fuels Co. LLC Chemicals: SpecialtyProcess Industries Owns and operates ethanol plants | Vorstandsvorsitzender | - |
Texas Biomedical Research Institute
 Texas Biomedical Research Institute Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit biomedical research institution | Direktor/Vorstandsmitglied | - |
United Way of San Antonio & Bexar County
 United Way of San Antonio & Bexar County Miscellaneous Commercial ServicesCommercial Services Provides health and human care services | Direktor/Vorstandsmitglied | - |
Christus Santa Rosa Children’s Hospital Foundation | Direktor/Vorstandsmitglied | - |
Ehemalige bekannte Positionen von William Klesse
| Unternehmen | Position | Ende |
|---|---|---|
| MEG ENERGY CORP. | Direktor/Vorstandsmitglied | 03.05.2022 |
| VALERO ENERGY CORPORATION | Vorstandsvorsitzender | 01.05.2014 |
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Ausbildung von William Klesse
Erfahrungen
Besetzte Positionen
Aktive
Inaktive
Börsennotierte Unternehmen
Private Unternehmen
Beziehungen
65
Beziehungen ersten Grades
17
Unternehmen ersten Grades
Herr
Frau
Aufsichtsräte
Führungskräfte
Unternehmensverbindungen
| Private Unternehmen | 17 |
|---|---|
Occidental Petroleum Corp.
 Occidental Petroleum Corp. Integrated OilEnergy Minerals Explores, develops, produces and markets crude oil & natural gas and basic chemicals | Energy Minerals |
Valero Energy Corp.
 Valero Energy Corp. Oil Refining/MarketingEnergy Minerals Engages in manufacturing and marketing of low-carbon liquid transportation fuels & petrochemical products | Energy Minerals |
Ultramar Diamond Shamrock Corp.
 Ultramar Diamond Shamrock Corp. Oil Refining/MarketingEnergy Minerals Owns and operates petroleum & oil refineries | Energy Minerals |
MEG Energy Corp.
 MEG Energy Corp. Oil & Gas ProductionEnergy Minerals Explores and develops oil sands | Energy Minerals |
Valero Energy Partners LP
 Valero Energy Partners LP Oil & Gas PipelinesIndustrial Services Operates as a transportation fuels company & develops crude oil and refined petroleum products pipelines & terminals | Industrial Services |
University of Dayton
University of Dayton Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
West Texas A&M University
 West Texas A&M University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Muscular Dystrophy Association, Inc.
 Muscular Dystrophy Association, Inc. Hospital/Nursing ManagementHealth Services Conducts research and provides medical services | Health Services |
Southwest Research Institute
 Southwest Research Institute Miscellaneous Commercial ServicesCommercial Services Provides contract research and development services | Commercial Services |
NuStar Energy LP
 NuStar Energy LP Oil & Gas PipelinesIndustrial Services Operate pipelines and terminals for crude oil and refined products | Industrial Services |
United Way of San Antonio & Bexar County
United Way of San Antonio & Bexar County Miscellaneous Commercial ServicesCommercial Services Provides health and human care services | Commercial Services |
Texas Biomedical Research Institute
Texas Biomedical Research Institute Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit biomedical research institution | Commercial Services |
Valero Services, Inc.
 Valero Services, Inc. Personnel ServicesCommercial Services Provides employee leasing services | Commercial Services |
Valero Renewable Fuels Co. LLC
Valero Renewable Fuels Co. LLC Chemicals: SpecialtyProcess Industries Owns and operates ethanol plants | Process Industries |
Valero Energy Partners GP LLC
 Valero Energy Partners GP LLC Financial ConglomeratesFinance Investment Company Vehicle | Finance |
The Briscoe Western Art Museum
The Briscoe Western Art Museum Other Consumer ServicesConsumer Services Operates as an art museum | Consumer Services |
Christus Santa Rosa Children’s Hospital Foundation |
