![Jeff Dietert](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>)
Profile
Jeff Dietert formerly worked at Simmons & Company International, as Managing Director & Head of Research from 2012 to 2016, Oryx Energy Co., as Principal from 1983 to 2003, Texaco, Inc., as Vice President-Commercial Development from 1983 to 2003, Piper Sandler & Co. (Broker), as Senior Research Analyst from 2016 to 2017, Aquila Energy Corp., as Principal from 1983 to 2003, Phillips 66 Partners LP, as Vice President-Investor Relations Contact, Viersen & Cochran Drilling Co., as Engineer from 1983 to 2003, and Phillips 66, as Vice President-Investor Relations from 2017 to 2025.
Mr. Dietert received his Masters Business Admin degree from The University of Texas at Austin and undergraduate degree in 1983 from the University of Oklahoma.
Former positions of Jeff Dietert
| Companies | Position | End |
|---|---|---|
| PHILLIPS 66 | Investor Relations Contact | 30/09/2025 |
Piper Sandler & Co. (Broker)
 Piper Sandler & Co. (Broker) Investment Banks/BrokersFinance Provides brokerage services | Analyst-Equity | 31/03/2017 |
Simmons & Company International
 Simmons & Company International Investment Banks/BrokersFinance Provides brokerage services | Analyst-Equity | 31/01/2016 |
Viersen & Cochran Drilling Co.
 Viersen & Cochran Drilling Co. Contract DrillingIndustrial Services Operates as an oil drilling company | Corporate Officer/Principal | 31/03/2003 |
Oryx Energy Co.
 Oryx Energy Co. Oil & Gas ProductionEnergy Minerals Explores, develops and produces oil and natural gas reserves | Corporate Officer/Principal | 31/03/2003 |
Training of Jeff Dietert
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
80
1st degree connections
10
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 10 |
|---|---|
Oryx Energy Co.
Oryx Energy Co. Oil & Gas ProductionEnergy Minerals Explores, develops and produces oil and natural gas reserves | Energy Minerals |
Texaco, Inc.
 Texaco, Inc. Integrated OilEnergy Minerals Engages in the production, refining, marketing and shipping of crude oil and natural gas | Energy Minerals |
Piper Sandler & Co. (Broker)
Piper Sandler & Co. (Broker) Investment Banks/BrokersFinance Provides brokerage services | Finance |
Aquila Energy Corp.
 Aquila Energy Corp. Gas DistributorsUtilities Provides natural gas distribution services | Utilities |
Simmons & Company International
Simmons & Company International Investment Banks/BrokersFinance Provides brokerage services | Finance |
Phillips 66 Partners LP
 Phillips 66 Partners LP Oil & Gas PipelinesIndustrial Services Provides crude oil, petroleum and natural gas storage, transportation & refining services | Industrial Services |
Viersen & Cochran Drilling Co.
Viersen & Cochran Drilling Co. Contract DrillingIndustrial Services Operates as an oil drilling company | Industrial Services |
The University of Texas at Austin
 The University of Texas at Austin Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Oklahoma
 University of Oklahoma Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Phillips 66
 Phillips 66 Oil Refining/MarketingEnergy Minerals Engages in refining, marketing, midstream and chemicals businesses | Energy Minerals |
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