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Jeff Dietert
Analyst-Equity at
Daniel Energy Partners LLC
Profile
Mr. Jeff Dietert is a Managing Director at Daniel Energy Partners LLC.
He most recently served as Vice President of Investor Relations at Phillips 66 and previously spent nearly two decades at Simmons & Company International (now Piper Sandler) as Managing Director and Oil Macro & Independent Refining Analyst.
He holds a B.S.
in Petroleum Engineering from the University of Oklahoma and an M.B.A. from The University of Texas at Austin.
Jeff Dietert active positions
| Companies | Position | Start |
|---|---|---|
Daniel Energy Partners LLC
 Daniel Energy Partners LLC Investment ManagersFinance Provides investment research | Analyst-Equity | 31/12/2025 |
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
83
1st degree connections
11
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 11 |
|---|---|
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 |
Daniel Energy Partners LLC
Daniel Energy Partners LLC Investment ManagersFinance Provides investment research | Finance |
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