Mark Fuller
Chief Executive Officer at CASTELLUM, INC.
Net worth: 2 M $ as of 30/03/2024
Profile
Mark Stephen Charles Fuller founded Chesapeake Partners, Inc. in 1989, where he worked as Chairman & Chief Executive Officer from 1989 to 2013.
Mr. Fuller also currently works at Castellum, Inc., as President, Chief Executive Officer & Director from 2022, Crimson Ltd., as Non-Executive Chairman, Rimhub, Inc., as Chief Revenue Officer from 2013, and Trophy Point Capital LLC, as President from 2015.
Mr. Fuller also formerly worked at WidePoint Corp., as CEO from 2004 to 2005, Chesapeake Government Technologies, Inc., as Chief Executive Officer, Techshot Lighting LLC, as Chief Executive Officer from 2017 to 2020, Potomac Officers Club, as Chairman, Teleport Communications Group, Inc., as Director, WidePoint Corp., as Director, Alliance Fund Managers Ltd., as Managing Director from 2002 to 2010, Mainnerve Federal Services, Inc., as Director from 2016 to 2020, e.spire Communications, Inc., as Regional VP from 1994 to 1999, Onepoint Communications Corp., as President from 1999 to 2001, ACSIS, Inc., as Vice President, National Capital Cos.
LLC, as Associate Consultant from 2016 to 2017, Hathaway Renewable Energy, Inc., as President/COO/CFO from 2003 to 2015, and North of England Ventures Ltd.
Mr. Fuller received his undergraduate degree and Masters Business Admin degree from Harvard University and undergraduate degree from US Military Academy.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
CASTELLUM, INC.
14.33% | 11/02/2024 | 7,597,519 ( 14.33% ) | 2 M $ | 30/03/2024 |
| 16/10/2022 | 752 ( 0.02% ) | 196 $ | 30/03/2024 |
Mark Fuller active positions
| Companies | Position | Start |
|---|---|---|
| CASTELLUM, INC. | Chief Executive Officer | 31/05/2019 |
Trophy Point Capital LLC
 Trophy Point Capital LLC Investment ManagersFinance Trophy Point Capital LLC is a private equity firm. The private company is based in New York, NY. | President | 28/02/2015 |
Rimhub, Inc.
 Rimhub, Inc. Internet Software/ServicesTechnology Services Rimhub is a boutique managed services provider offering strategic sourcing solutions to businesses worldwide. When the company transfers the key internal functions to Rimhub, it benefits from improved operational and financial performance, and increase its competitiveness and customer satisfaction through their broad services portfolio. With Rimhub''s experts managing the key OSS/BSS functions, it is now free to stay focused on sales and marketing activities to drive the company''s growth. | Corporate Officer/Principal | 30/06/2013 |
Crimson Ltd.
 Crimson Ltd. Miscellaneous Commercial ServicesCommercial Services Crimson Ltd. provides recruitment and consulting services. It is a technology and recruitment company which specializes in the full of IT support, consultancy and search and selection services. The company was founded by Rob Mallaband and Simon Chave in 2000 and is headquartered in Birmingham, the United Kingdom. | Chairman | - |
Former positions of Mark Fuller
| Companies | Position | End |
|---|---|---|
| Techshot Lighting LLC | Chief Executive Officer | 30/11/2020 |
Mainnerve Federal Services, Inc.
 Mainnerve Federal Services, Inc. Information Technology ServicesTechnology Services Part of Castellum, Inc., Mainnerve Federal Services, Inc. is a government services company based in Gallatin, TN. Mainnerve Federal Services provides mission-critical national security and warfighter support solutions to the armed forces and other federal agencies. The private company possesses a top secret facilities clearance and its key personnel have top secret personal clearances. MFSI Government Group is committed to increasing return on investment by facilitating a dynamic value analysis and improvement process that optimizes performance, cost, and time. The company was founded in 2010 by George M. Tronsrue and was acquired by Castellum, Inc. on February 11, 2021 for $1.39 million. | Director/Board Member | 30/11/2020 |
National Capital Cos. LLC
 National Capital Cos. LLC Investment Banks/BrokersFinance Part of NC Securities LLC, National Capital Cos. LLC is a private company that has reserved the site name nationalcapital.com for the right organization. The company is based in Bethesda, MD. The company offers unregistered alternatives and subscribers can connect via WhatsApp. The company also offers 135+ public site names that start with nationalcapital. | Consultant / Advisor | 31/12/2016 |
| Hathaway Renewable Energy, Inc. | President | 31/12/2014 |
Chesapeake Partners, Inc.
 Chesapeake Partners, Inc. Investment ManagersFinance Chesapeake Partners Inc (Chesapeake Partners) is a venture capital firm founded in 2002 by Jack D. Crowley and Mark C. Fuller. The firm is headquartered in Bethesda, Maryland. | Chief Executive Officer | 31/05/2013 |
Training of Mark Fuller
| Harvard University | Masters Business Admin |
| US Military Academy | Undergraduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 1 |
|---|---|
| WIDEPOINT CORPORATION | Technology Services |
| Private companies | 16 |
|---|---|
e.spire Communications, Inc.
 e.spire Communications, Inc. Major TelecommunicationsCommunications e.spire Communications, Inc. provides local and long distance telephone, Internet access and Web hosting services. The company was founded in 1993 and is headquartered in Herndon, VA. | Communications |
Teleport Communications Group, Inc.
 Teleport Communications Group, Inc. Specialty TelecommunicationsCommunications Part of AT&T, Inc., Teleport Communications Group, Inc. provides integrated telecommunications services. The private company is based in Dayton, NJ. The company was founded by Guy Lanni. Teleport Communications Group was acquired by AT&T Corp. /Old/ on July 24, 1998 for $11,294.27 million. | Communications |
Onepoint Communications Corp.
 Onepoint Communications Corp. Specialty TelecommunicationsCommunications Onepoint Communications Corp. provided communications services to multiple dwelling units. The company was headquartered in Lake Forest, IL. | Communications |
Chesapeake Government Technologies, Inc.
 Chesapeake Government Technologies, Inc. Information Technology ServicesTechnology Services Part of WidePoint Corp., Chesapeake Government Technologies, Inc. provides information technology services. The private company is based in Potomac, MD. Chesapeake Government Technologies was acquired by WidePoint Corp. on March 25, 2004. | Technology Services |
ACSIS, Inc.
 ACSIS, Inc. Packaged SoftwareTechnology Services Acsis, Inc. provides product visibility, traceability and supply chain optimization software solutions. Its solutions include edge, serialization and edge solutions, serialized shipping station and supplier and partner integration. The company was founded in 1996 and is headquartered in Marlton, NJ. | Technology Services |
| Potomac Officers Club | |
Alliance Fund Managers Ltd.
 Alliance Fund Managers Ltd. Investment ManagersFinance Alliance Fund Managers Ltd. (Alliance Fund Managers) is a Private equity/Venture capital firm. The firm is founded in the year 1995 and it is headquartered in Liverpool, United Kingdom. | Finance |
Crimson Ltd.
Crimson Ltd. Miscellaneous Commercial ServicesCommercial Services Crimson Ltd. provides recruitment and consulting services. It is a technology and recruitment company which specializes in the full of IT support, consultancy and search and selection services. The company was founded by Rob Mallaband and Simon Chave in 2000 and is headquartered in Birmingham, the United Kingdom. | Commercial Services |
Chesapeake Partners, Inc.
Chesapeake Partners, Inc. Investment ManagersFinance Chesapeake Partners Inc (Chesapeake Partners) is a venture capital firm founded in 2002 by Jack D. Crowley and Mark C. Fuller. The firm is headquartered in Bethesda, Maryland. | Finance |
| Castellum, Inc. | |
Trophy Point Capital LLC
Trophy Point Capital LLC Investment ManagersFinance Trophy Point Capital LLC is a private equity firm. The private company is based in New York, NY. | Finance |
National Capital Cos. LLC
National Capital Cos. LLC Investment Banks/BrokersFinance Part of NC Securities LLC, National Capital Cos. LLC is a private company that has reserved the site name nationalcapital.com for the right organization. The company is based in Bethesda, MD. The company offers unregistered alternatives and subscribers can connect via WhatsApp. The company also offers 135+ public site names that start with nationalcapital. | Finance |
| Hathaway Renewable Energy, Inc. | Energy Minerals |
Mainnerve Federal Services, Inc.
Mainnerve Federal Services, Inc. Information Technology ServicesTechnology Services Part of Castellum, Inc., Mainnerve Federal Services, Inc. is a government services company based in Gallatin, TN. Mainnerve Federal Services provides mission-critical national security and warfighter support solutions to the armed forces and other federal agencies. The private company possesses a top secret facilities clearance and its key personnel have top secret personal clearances. MFSI Government Group is committed to increasing return on investment by facilitating a dynamic value analysis and improvement process that optimizes performance, cost, and time. The company was founded in 2010 by George M. Tronsrue and was acquired by Castellum, Inc. on February 11, 2021 for $1.39 million. | Technology Services |
| Techshot Lighting LLC | |
Rimhub, Inc.
Rimhub, Inc. Internet Software/ServicesTechnology Services Rimhub is a boutique managed services provider offering strategic sourcing solutions to businesses worldwide. When the company transfers the key internal functions to Rimhub, it benefits from improved operational and financial performance, and increase its competitiveness and customer satisfaction through their broad services portfolio. With Rimhub''s experts managing the key OSS/BSS functions, it is now free to stay focused on sales and marketing activities to drive the company''s growth. | Technology Services |
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