![Ben Guill](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>)
Ben Guill
Founder at
White Deer Management LLC
Net worth: 4 M $ as of 31/05/2026
Profile
Mr. Benjamin A. Guill is a Founding Partner at White Deer Management LLC and a Managing Partner at White Deer Energy LP.
He is on the Board of Directors at Flowco Holdings, Inc., On Point Oilfield Holdings LLC, Teach For America, Inc. and The University of Texas M.D.
Anderson Cancer Center.
Mr. Guill was previously employed as an Independent Director by NOV, Inc., a President by First Reserve Corp LLC, a President by First Reserve Management LP, a Co-Head of Investment Banking by Simmons & Company International, an Associate by Blyth, Eastman, Dillon & Co., a Partner by Cheniere Energy Partners LP, and a Chairman by T-3 Energy Services, Inc. He also served on the board at New Emerald Energy LLC, Chart Industries, Inc., Dresser LLC, Emerald Oil, Inc. /Old/ and Quanta Services, Inc. He received his undergraduate degree from Princeton University and an MBA from The Wharton School of the University of Pennsylvania.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
NOV INC. 0.05% | 20/05/2025 | 163,840 ( 0.05% ) | 3 M $ | 31/05/2026 |
0.04% | 19/03/2025 | 15,625 ( 0.04% ) | 365 469 $ | 31/05/2026 |
Ben Guill active positions
| Companies | Position | Start |
|---|---|---|
White Deer Energy LP
 White Deer Energy LP Investment ManagersFinance Acts as Private Equity Fund | Corporate Officer/Principal | - |
White Deer Management LLC
 White Deer Management LLC Investment ManagersFinance White Deer Management invests in companies located in the United States. The firm targets companies operating in the fields of energy and industrial service sectors. It provides financing for buyout and growth stage capital requirements and also acquires majority interest. | Founder | 01/01/2008 |
On Point Oilfield Holdings LLC
 On Point Oilfield Holdings LLC Environmental ServicesIndustrial Services Engages in piping, handling, treating and disposing of oilfield wastewater | Director/Board Member | - |
The University of Texas M.D. Anderson Cancer Center
 The University of Texas M.D. Anderson Cancer Center Other Consumer ServicesConsumer Services Provides cancer patient care, research and prevention for cancer | Director/Board Member | - |
Teach For America, Inc.
 Teach For America, Inc. Miscellaneous Commercial ServicesCommercial Services Provides teachers and educational services to communities | Director/Board Member | - |
Former positions of Ben Guill
| Companies | Position | End |
|---|---|---|
| NOV INC. | Director/Board Member | 19/02/2026 |
New Emerald Energy LLC
 New Emerald Energy LLC Integrated OilEnergy Minerals Produces upstream oil and gas exploration & production services | Director/Board Member | 18/12/2015 |
First Reserve Management LP
 First Reserve Management LP Investment ManagersFinance First Reserve invests in middle market energy companies located in North America and Europe. The firm targets companies operating in the fields of specialty services, engineered products, logistics & distribution, critical resources and value-added infrastructure. It provides financing for later stages and buyouts with an investment size ranging from USD 100 - 500 million. It also makes co-investments. | President | 01/04/2007 |
First Reserve Corp LLC
 First Reserve Corp LLC Financial ConglomeratesFinance Operates as an investment firm | President | 01/04/2007 |
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Training of Ben Guill
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
66
1st degree connections
19
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 19 |
|---|---|
First Reserve Management LP
First Reserve Management LP Investment ManagersFinance First Reserve invests in middle market energy companies located in North America and Europe. The firm targets companies operating in the fields of specialty services, engineered products, logistics & distribution, critical resources and value-added infrastructure. It provides financing for later stages and buyouts with an investment size ranging from USD 100 - 500 million. It also makes co-investments. | Finance |
Chart Industries, Inc.
 Chart Industries, Inc. Other Consumer ServicesConsumer Services Installs, maintains and leases compressors & other rotating equipment and supplies engineered equipment & technology-driven process systems and manufactures bulk, microbulk and mobile systems | Consumer Services |
T-3 Energy Services, Inc.
 T-3 Energy Services, Inc. Oilfield Services/EquipmentIndustrial Services Manufactures and distributes valves, chokes, actuators, and other high pressure products for the oil and gas industry | Industrial Services |
Quanta Services, Inc.
 Quanta Services, Inc. Engineering & ConstructionIndustrial Services Provides design, procurement, new construction, upgrade, repair and maintenance services for electric power transmission, distribution and utility infrastructure | Industrial Services |
Dresser LLC
 Dresser LLC Oilfield Services/EquipmentIndustrial Services Manufactures actuators, blowers, engines and other product for the oil and gas industry | Industrial Services |
Simmons & Company International
 Simmons & Company International Investment Banks/BrokersFinance Provides brokerage services | Finance |
Cheniere Energy Partners LP
 Cheniere Energy Partners LP Gas DistributorsUtilities Develops, owns, transports, stores and operates the liquefied natural gas | Utilities |
NOV, Inc.
 NOV, Inc. Oilfield Services/EquipmentIndustrial Services Manufactures and supplies oil & gas drilling field machinery and equipment | Industrial Services |
Princeton University
 Princeton University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The University of Texas M.D. Anderson Cancer Center
The University of Texas M.D. Anderson Cancer Center Other Consumer ServicesConsumer Services Provides cancer patient care, research and prevention for cancer | Consumer Services |
Teach For America, Inc.
Teach For America, Inc. Miscellaneous Commercial ServicesCommercial Services Provides teachers and educational services to communities | Commercial Services |
Blyth, Eastman, Dillon & Co. | |
White Deer Energy LP
White Deer Energy LP Investment ManagersFinance Acts as Private Equity Fund | Finance |
Emerald Oil, Inc. /Old/
 Emerald Oil, Inc. /Old/ Oil & Gas ProductionEnergy Minerals Engaged in the exploration and development of oil and gas properties | Energy Minerals |
White Deer Management LLC
White Deer Management LLC Investment ManagersFinance White Deer Management invests in companies located in the United States. The firm targets companies operating in the fields of energy and industrial service sectors. It provides financing for buyout and growth stage capital requirements and also acquires majority interest. | Finance |
The Wharton School of the University of Pennsylvania
 The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
New Emerald Energy LLC
New Emerald Energy LLC Integrated OilEnergy Minerals Produces upstream oil and gas exploration & production services | Energy Minerals |
On Point Oilfield Holdings LLC
On Point Oilfield Holdings LLC Environmental ServicesIndustrial Services Engages in piping, handling, treating and disposing of oilfield wastewater | Industrial Services |
First Reserve Corp LLC
First Reserve Corp LLC Financial ConglomeratesFinance Operates as an investment firm | Finance |
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