Steven Mitchell

Founder at STEPSTONE GROUP INC.

Net worth: 3 M $ as of 2026-05-30

56 year

69 connections

Finance

Producer Manufacturing

Industrial Services

Profile

Steven R.
Mitchell is the founder of StepStone Group, Inc., founded in 2007, serving as Director since 2020.
Current jobs include CEO & Managing Director at Argonaut Private Equity LLC since 2004; Chief Executive Officer at Argonaut Private Capital LP since 2016; Independent Director at Aspen Aerogels, Inc. since 2009; Independent Director at Alkami Technology, Inc. since 2014; and Director at Yulex Corp., Global Holdings LLC, Global Technology Partners LLC, Southwest United Industries, Inc., Petroplex Acidizing, Inc., Downing Wellhead Equipment LLC, Mark Young Construction LLC, Applied Industrial Machining LLC, Major Sourcing LLC, Kineta, Inc. (Washington), Industrial Electrical Sales of Tulsa, Inc., StepStone Group Holdings LLC, Otis Eastern Service LLC, S&R Compression LLC, 360 Degree Solar Holdings, Inc., Fred Jones Cos.
LLC, Miratech Holdings, Inc., DMB Pacific Ventures LLC, JAC Holding Enterprises, Inc., Mingo Holdings LLC, Mammoth Carbon Products LLC, Falcon Flowback Services LLC, QRC Valve Distributors LLC, SEF Energy LLC, McNellie's Group, American Cementing LLC, Sanford Energy, Inc., Cypress Environmental Services LLC, Norberg-IES LLC, Mt Group Holdings LLC, APE-III (JAC) Inc., Pryer Aerospace LLC, and Chemoil Energy Services LLC (Glencore).
Former jobs include Director at Pivot3, Inc., The Fred Jones Cos., Inc., Green Hills Software, Inc., Westec Intelligent Surveillance, Inc., Aimbridge Hospitality LLC, Solyndra LLC, Newco Valves LLC, Specific Systems LLC, Cordys Holding BV, and Dmb Real Estate LLC; Attorney at Gibson, Dunn & Crutcher, Inc. from 1996 to 1999; Principal at 2929 Entertainment LP; and Principal at Radical Incubation LP.
Education includes an undergraduate degree from Baylor University conferred in 1992 and a graduate degree from the University of San Diego School of Law conferred in 1995.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
ALKAMI TECHNOLOGY INC 0.09%	2026-05-18	97,493 ( 0.09% )	2 M $	2026-05-30
ASPEN AEROGELS INC 0.19%	2026-05-12	156,898 ( 0.19% )	1 M $	2026-05-30
STEPSTONE GROUP, INC. CLASS A 0.02%	2026-02-22	12,793 ( 0.02% )	630 823 $	2026-05-30

Steven Mitchell active positions

Companies	Position	Start
ASPEN AEROGELS, INC.	Director/Board Member	2009-07-31
ALKAMI TECHNOLOGY, INC.	Director/Board Member	2014-09-30
STEPSTONE GROUP INC.	Founder	2006-12-31
Argonaut Private Equity LLC Argonaut Private Equity LLC Investment ManagersFinance Argonaut Private Equity invests in companies located in the United States primarily in Middle America with an EBITDA of USD 5 - 50 million and revenue of USD 20 - 300 million. The firm targets companies operating in the fields of manufacturing and distribution sectors. It provides financing for management buyouts, distressed and special situations, corporate divestitures with an investment size of USD 15 - 100 million. It also makes control investments.	Chief Executive Officer	2003-12-31
Mingo Holdings LLC Mingo Holdings LLC Finance/Rental/LeasingFinance Mingo Holdings LLC is a private company based in Henderson, NC.	Director/Board Member	-
Argonaut Private Capital LP Argonaut Private Capital LP Investment ManagersFinance Offers investment advisory services	Chief Executive Officer	2016-06-30
Falcon Flowback Services LLC Falcon Flowback Services LLC Oil & Gas ProductionEnergy Minerals Provides flow back and well testing services to the oil and gas industries	Director/Board Member	-
JAC Holding Enterprises, Inc. JAC Holding Enterprises, Inc. Motor VehiclesConsumer Durables Manufactures motor vehicles	Director/Board Member	-
QRC Valve Distributors LLC QRC Valve Distributors LLC Wholesale DistributorsDistribution Services Distributes valves and actuation products	Director/Board Member	-
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All active positions of Steven Mitchell

Former positions of Steven Mitchell

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See the detail of Steven Mitchell's experience

Training of Steven Mitchell

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Steven Mitchell's experience

Connections

1st degree connections

1st degree companies

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Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	51
Gibson, Dunn & Crutcher, Inc. Gibson, Dunn & Crutcher, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a law firm	Commercial Services
Aspen Aerogels, Inc. Aspen Aerogels, Inc. Industrial SpecialtiesProcess Industries Manufactures and supplies reinforced, nanoporous aerogel insulation products	Process Industries
Pivot3, Inc. Pivot3, Inc. Packaged SoftwareTechnology Services Provides data storage solutions	Technology Services
Yulex Corp. Yulex Corp. Industrial ConglomeratesProducer Manufacturing Manufactures bio based elastomer products	Producer Manufacturing
Global Holdings LLC Global Holdings LLC Miscellaneous Commercial ServicesCommercial Services Provides account management services	Commercial Services
The Fred Jones Cos., Inc. The Fred Jones Cos., Inc. Wholesale DistributorsDistribution Services Offers remanufactured parts to original equipment manufacturers	Distribution Services
Green Hills Software, Inc. Green Hills Software, Inc. Information Technology ServicesTechnology Services Develops and supplies compilers, software development tools and real-time operating systems	Technology Services
Argonaut Private Equity LLC Argonaut Private Equity LLC Investment ManagersFinance Argonaut Private Equity invests in companies located in the United States primarily in Middle America with an EBITDA of USD 5 - 50 million and revenue of USD 20 - 300 million. The firm targets companies operating in the fields of manufacturing and distribution sectors. It provides financing for management buyouts, distressed and special situations, corporate divestitures with an investment size of USD 15 - 100 million. It also makes control investments.	Finance
Global Technology Partners LLC Global Technology Partners LLC Miscellaneous Commercial ServicesCommercial Services Technology	Commercial Services
Westec Intelligent Surveillance, Inc. Westec Intelligent Surveillance, Inc. Miscellaneous Commercial ServicesCommercial Services Provides video and audio surveillance solutions	Commercial Services
Baylor University Baylor University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
2929 Entertainment LP 2929 Entertainment LP Movies/EntertainmentConsumer Services Owns and operates theaters	Consumer Services
Southwest United Industries, Inc. Southwest United Industries, Inc. Industrial SpecialtiesProcess Industries Provides metal finishing solutions and aviation component repair and overhaul services	Process Industries
Aimbridge Hospitality LLC Aimbridge Hospitality LLC Real Estate DevelopmentFinance Manages hotel real estate	Finance
Solyndra LLC Solyndra LLC Electronic Equipment/InstrumentsElectronic Technology Designs and manufactures solar panels & kits	Electronic Technology
Petroplex Acidizing, Inc. Petroplex Acidizing, Inc. Oilfield Services/EquipmentIndustrial Services Provides acidizing and chemical treatments for oil, gas and injection wells	Industrial Services
Radical Incubation LP
Newco Valves LLC Newco Valves LLC Industrial MachineryProducer Manufacturing Manufactures, markets and sells Gate, Globe, Check, Ball, and Triple Offset valves	Producer Manufacturing
Downing Wellhead Equipment LLC Downing Wellhead Equipment LLC Oilfield Services/EquipmentIndustrial Services Provides oil and gas field machinery and equipment	Industrial Services
Specific Systems LLC Specific Systems LLC Industrial MachineryProducer Manufacturing Manufactures industrial environmental control systems	Producer Manufacturing
Mark Young Construction, Inc. Mark Young Construction, Inc. Engineering & ConstructionIndustrial Services Provides construction services	Industrial Services
Applied Industrial Machining LLC Applied Industrial Machining LLC Industrial MachineryProducer Manufacturing Provides precision machining services	Producer Manufacturing
Major Sourcing LLC Major Sourcing LLC Industrial MachineryProducer Manufacturing Operates as a valve automation, integrator, and distributor, primarily focused on the power industry	Producer Manufacturing
Kineta, Inc. (Washington) Kineta, Inc. (Washington) Pharmaceuticals: MajorHealth Technology Develops drugs that modulate and enhance the human immune system	Health Technology
Industrial Electrical Sales of Tulsa, Inc. Industrial Electrical Sales of Tulsa, Inc. Wholesale DistributorsDistribution Services Wholesales electrical equipment and wiring supplies	Distribution Services
Cordys Holding BV Cordys Holding BV Packaged SoftwareTechnology Services Operates as a holding company with interest in ERP solutions	Technology Services
Alkami Technology, Inc. Alkami Technology, Inc. Packaged SoftwareTechnology Services Develops cloud-based digital banking software	Technology Services
Stepstone Group Holdings LLC Stepstone Group Holdings LLC Investment ManagersFinance Alternative investment manager	Finance
Otis Eastern Service LLC Otis Eastern Service LLC Oilfield Services/EquipmentIndustrial Services Operates as a pipeline construction company	Industrial Services
S&R Compression LLC S&R Compression LLC Chemicals: SpecialtyProcess Industries Engages in fabrication and leasing of non conventional gas products	Process Industries
360 Degree Solar Holdings, Inc. 360 Degree Solar Holdings, Inc. SemiconductorsElectronic Technology Designs and manufactures solar photovoltaic systems	Electronic Technology
Fred Jones Cos. LLC
Miratech Holdings, Inc. Miratech Holdings, Inc. Investment ManagersFinance Operates as a holding company	Finance
University of San Diego School of Law University of San Diego School of Law Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
DMB Pacific Ventures LLC DMB Pacific Ventures LLC Real Estate Investment TrustsFinance Operates as a real estate investment and development company	Finance
Dmb Real Estate LLC Dmb Real Estate LLC Real Estate DevelopmentFinance Provides real estate services	Finance
JAC Holding Enterprises, Inc. JAC Holding Enterprises, Inc. Motor VehiclesConsumer Durables Manufactures motor vehicles	Consumer Durables
Mingo Holdings LLC Mingo Holdings LLC Finance/Rental/LeasingFinance Mingo Holdings LLC is a private company based in Henderson, NC.	Finance
Argonaut Private Capital LP Argonaut Private Capital LP Investment ManagersFinance Offers investment advisory services	Finance
Mammoth Carbon Products LLC Mammoth Carbon Products LLC SteelNon-Energy Minerals Manufactures and supplies welding pipes	Non-Energy Minerals
Falcon Flowback Services LLC Falcon Flowback Services LLC Oil & Gas ProductionEnergy Minerals Provides flow back and well testing services to the oil and gas industries	Energy Minerals
QRC Valve Distributors LLC QRC Valve Distributors LLC Wholesale DistributorsDistribution Services Distributes valves and actuation products	Distribution Services
SEF Energy LLC SEF Energy LLC MiscellaneousMiscellaneous Operates as an investment holding company	Miscellaneous
McNellie's Group McNellie's Group RestaurantsConsumer Services Owns and operates restaurant	Consumer Services
StepStone Group, Inc. StepStone Group, Inc. Investment ManagersFinance Operates as an investment and advisory services	Finance
American Cementing LLC American Cementing LLC Construction MaterialsNon-Energy Minerals Provides cementing and acidizing services	Non-Energy Minerals
Sanford Energy, Inc.	Utilities
Cypress Environmental Services LLC Cypress Environmental Services LLC Engineering & ConstructionIndustrial Services Provides environmental consulting, civil engineering, planning, remediation and construction services	Industrial Services
Norberg-IES LLC Norberg-IES LLC Norberg-IES LLC, a part of the EIS engineered solutions portfolio of business, is a leading provider of value-added products for the electrical industry. The company is divided into two brands: Nema7 for enclosures and Powerfuse.com for high-voltage fuses. NEMA7 is a top supplier and fabricator of controls and enclosures, specializing in hazardous location environments. Powerfuses has been serving the electrical manufacturing industry for over 50 years, specializing exclusively in high voltage fuses and custom mountings. The company is based in Tulsa, OK.
Mt Group Holdings LLC
Pryer Aerospace LLC Pryer Aerospace LLC Aerospace & DefenseElectronic Technology Engages in aerospace components manufacturing, engineering and precision machining works	Electronic Technology