John Campbell

Director/Board Member at CASTELLUM, INC.

Net worth: 107 303 $ as of 30/05/2026

68 year

37 connections

Commercial Services

Technology Services

Consumer Services

Profile

Currently, John F. Campbell holds the position of Co-President, Chief Executive Officer & Director at Rosetta Stone, Inc. He is also Chief Executive Officer for Cambium Learning Group, Inc. In his past career he held the position of Chief Operating Officer at S&P Global, Inc., Senior Vice President at ProQuest LLC, General Manager for Torgue Lifestyle Brands, Inc., General Manager for Insight Industries, Inc., Chief Operating Officer of Voyager Expanded Learning, Inc., Chief Operating Officer at Voyager Learning Co. and Technology Director at Tribune Education Co. Mr. Campbell received an undergraduate degree from the University of Pennsylvania.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
CASTELLUM, INC. 0.13%	19/03/2026	126,537 ( 0.13% )	107 303 $	30/05/2026

Latest news about John Campbell

11/06/25

Porch Group Appoints John Campbell As Vice President Of Investor Relations

John Campbell active positions

Companies	Position	Start
CASTELLUM, INC.	Director/Board Member	11/10/2022
IAP Worldwide Services, Inc. IAP Worldwide Services, Inc. Air Freight/CouriersTransportation Provides logistics, IT, communications and air traffic management services	Director/Board Member	23/05/2018
NS2 Serves NS2 Serves Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit organization that provides IT training and employment assistance solutions	Chairman	-
BAE Systems, Inc. BAE Systems, Inc. Information Technology ServicesTechnology Services Operates as a defense, aerospace and security solution technology company that develops, engineers, manufactures & supports products and systems to deliver military capability	Director/Board Member	-

All active positions of John Campbell

Former positions of John Campbell

Companies	Position	End
Voyager Expanded Learning LP Voyager Expanded Learning LP Miscellaneous Commercial ServicesCommercial Services Provides school reading programs, reading intervention programs and professional development programs	Chief Operating Officer	30/12/2009
Voyager Learning Co. Voyager Learning Co. Commercial Printing/FormsCommercial Services Publishes K-12 cirriculum products, reading and math intervention programs, and professional development programs	Chief Operating Officer	10/12/2009
ProQuest LLC ProQuest LLC Internet Software/ServicesTechnology Services Provides global information and related technology services	Corporate Officer/Principal	31/12/2006
Tribune Education Co. Tribune Education Co. Publishing: NewspapersConsumer Services Publishes daily newspapers and community publications	Corporate Officer/Principal	31/12/1998
S&P GLOBAL, INC.	Chief Operating Officer	-

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Linked companies

Private companies	18
S&P Global, Inc. S&P Global, Inc. Financial Publishing/ServicesCommercial Services Provides financial market data intelligence, credit rating, commodity insights, indices and mobility services through online	Commercial Services
Rosetta Stone, Inc. Rosetta Stone, Inc. Packaged SoftwareTechnology Services Develops K-12 personalized learning platform	Technology Services
University of Pennsylvania University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
BAE Systems, Inc. BAE Systems, Inc. Information Technology ServicesTechnology Services Operates as a defense, aerospace and security solution technology company that develops, engineers, manufactures & supports products and systems to deliver military capability	Technology Services
Tribune Education Co. Tribune Education Co. Publishing: NewspapersConsumer Services Publishes daily newspapers and community publications	Consumer Services
ProQuest LLC ProQuest LLC Internet Software/ServicesTechnology Services Provides global information and related technology services	Technology Services
Voyager Expanded Learning LP Voyager Expanded Learning LP Miscellaneous Commercial ServicesCommercial Services Provides school reading programs, reading intervention programs and professional development programs	Commercial Services
Golden Gate University Golden Gate University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
US Military Academy US Military Academy Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
IAP Worldwide Services, Inc. IAP Worldwide Services, Inc. Air Freight/CouriersTransportation Provides logistics, IT, communications and air traffic management services	Transportation
Torque Lifestyle Brands, Inc. Torque Lifestyle Brands, Inc. Information Technology ServicesTechnology Services Develops and provides innovative digital media services, software and hardware	Technology Services
Voyager Learning Co. Voyager Learning Co. Commercial Printing/FormsCommercial Services Publishes K-12 cirriculum products, reading and math intervention programs, and professional development programs	Commercial Services
The Spectrum Group Ltd., Inc. The Spectrum Group Ltd., Inc. Miscellaneous Commercial ServicesCommercial Services Provides consulting services	Commercial Services
Army Emergency Relief Army Emergency Relief Services to the Health IndustryHealth Services Provides emergency financial assistance to army	Health Services
Cambium Learning Group, Inc. Cambium Learning Group, Inc. Internet Software/ServicesTechnology Services Provides digital education solutions	Technology Services
Castellum, Inc. Castellum, Inc. Chemicals: Major DiversifiedProcess Industries Develops water treatment and sanitization technologies	Process Industries
Insight Industries, Inc.
NS2 Serves NS2 Serves Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit organization that provides IT training and employment assistance solutions	Commercial Services