![Mark Ein](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>)
Fortuna: 70 M $ al 30/06/2026
Mark D.
Ein founded Washington Kastles LLC in 2008, where he is working as Owner, Mde City Paper Holdings LLC in 2018, Washington City Paper in 1981, and various other companies.
Mr. Ein also founded Leland Consulting Group, Inc., where he is working as Chairman & Chief Executive Officer.
Mr. Ein also currently works at Visual Systems Group, Inc., as Chairman from 2015, Kastle Systems International LLC, as Co-Chairman from 2007, District of Columbia Public Education Fund, as Chairman from 2010, and various other companies.
Mr. Ein also formerly worked at Capitol Acquisition Corp., as Chief Executive Officer & Director from 2007 to 2009, Capitol Acquisition Corp.
II, as Chairman & Chief Executive Officer in 2015, Capitol Acquisition Corp.
III, as Chairman & Chief Executive Officer from 2015 to 2017, and various other companies.
Mr. Ein received his Masters Business Admin degree from Harvard Business School and undergraduate degree in 1987 from The Wharton School of the University of Pennsylvania.
| Empresa | Fecha | Número de acciones | Valoración | Fecha de valoración |
|---|---|---|---|---|
| 16/04/2026 | 5.166.178 ( 2,27 % ) | 61 M $ | 30/06/2026 | |
| 14/04/2026 | 328.602 ( 0,5 % ) | 9 M $ | 30/06/2026 |
| Empresas | Cargo | Inicio |
|---|---|---|
| LINDBLAD EXPEDITIONS HOLDINGS, INC. | Presidente | 01/03/2013 |
| CAPITOL INVESTMENT CORP. VI | Fundador | 19/01/2021 |
| CAPITOL INVESTMENT CORP. VII | Director Ejecutivo | 19/01/2021 |
| CUSTOM TRUCK ONE SOURCE, INC. | Director/Miembro de la Junta | 01/04/2021 |
| SOHO HOUSE & CO INC. | Director/Miembro de la Junta | 01/01/2018 |
Venturehouse Group LLC
 Venturehouse Group LLC Investment ManagersFinance Venturehouse Group invests in companies located in the United States. The firm focuses on a broad range of sectors and industries. It provides financing for buyout transactions. | Director Ejecutivo | 01/11/1999 |
Kastle Systems LLC
 Kastle Systems LLC Miscellaneous Commercial ServicesCommercial Services Operates as security provider and patrol service | Presidente | - |
The World Economic Forum USA, Inc.
 The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services Operates an organization for economic reforms | Corporate Officer/Principal | 01/01/2016 |
Smithsonian National Museum of Natural History
 Smithsonian National Museum of Natural History Other Consumer ServicesConsumer Services Operates as a museum | Director/Miembro de la Junta | - |
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Activas
Inactivas
Empresas cotizadas
Empresas privadas
Relaciones de 1er grado
Empresas vinculadas al 1er grado
Hombre
Mujer
Administradores
Ejecutivos
| Empresas privadas | 55 |
|---|---|
LCC International, Inc.
 LCC International, Inc. Information Technology ServicesTechnology Services Provides engineering and network services for the telecommunications industry | Technology Services |
Citigroup, Inc.
 Citigroup, Inc. Major BanksFinance Provides retail, investment, commercial banking, brand cards, securities sale & exchanges services | Finance |
Capitol Acquisition Corp.
 Capitol Acquisition Corp. Financial ConglomeratesFinance Blank Check Company with focus on the technology, media and telecommunications industry | Finance |
Capitol Acquisition Corp. II
 Capitol Acquisition Corp. II Financial ConglomeratesFinance Operates as a blank check company | Finance |
The Carlyle Group LP (Corporate Private Equity)
 The Carlyle Group LP (Corporate Private Equity) Investment ManagersFinance The Carlyle Group focuses on companies located across the globe. The firm targets companies operating across a broad range of sectors and industries. It provides financing for buyouts and growth stage capital requirements.[[ [[Carlyle Group reorganized its operating segments on January 8, 2021, by combining Corporate Private Equity and Real Assets into a single segment called - The Carlyle Group (Global Private Equity). | Finance |
Venturehouse Group LLC
Venturehouse Group LLC Investment ManagersFinance Venturehouse Group invests in companies located in the United States. The firm focuses on a broad range of sectors and industries. It provides financing for buyout transactions. | Finance |
Visual Systems Group, Inc.
 Visual Systems Group, Inc. Information Technology ServicesTechnology Services Provides AV integration solutions | Technology Services |
MACH SARL
 MACH SARL Information Technology ServicesTechnology Services Provides data and financial clearing mobile exchange solutions | Technology Services |
National Gallery of Art
 National Gallery of Art Other Consumer ServicesConsumer Services Operates art museum | Consumer Services |
National Institutes of Health
 National Institutes of Health General GovernmentGovernment Engages in the improvement of health and saving lives | Government |
Kastle Systems International LLC
 Kastle Systems International LLC Miscellaneous Commercial ServicesCommercial Services Provides managed security solutions | Commercial Services |
United States Tennis Association, Inc.
 United States Tennis Association, Inc. Movies/EntertainmentConsumer Services Promotes and develops the growth of tennis | Consumer Services |
The Federal City Council
 The Federal City Council Miscellaneous Commercial ServicesCommercial Services Operates membership-based organization for advancement of civic life | Commercial Services |
The Economic Club of Washington
 The Economic Club of Washington Miscellaneous Commercial ServicesCommercial Services Operates forum for distinguished global leaders to share the insights about major issues | Commercial Services |
Wolf Trap Foundation for the Performing Arts
 Wolf Trap Foundation for the Performing Arts Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit organization that provides performing arts program services | Commercial Services |
Potomac Officers Club
 Potomac Officers Club Miscellaneous Commercial ServicesCommercial Services Operates as a membership organization dedicated to connecting and empowering executives | Commercial Services |
International Tennis Hall of Fame, Inc.
 International Tennis Hall of Fame, Inc. Other Consumer ServicesConsumer Services International Tennis Hall of Fame, Inc. is a non-profit company based in Newport, RI. | Consumer Services |
Foundation for the National Institutes of Health, Inc.
 Foundation for the National Institutes of Health, Inc. Miscellaneous Commercial ServicesCommercial Services Provides healthcare services | Commercial Services |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services Operates an organization for economic reforms | Commercial Services |
District of Columbia College Access Program
 District of Columbia College Access Program Miscellaneous Commercial ServicesCommercial Services Provides assistance to the students | Commercial Services |
Washington City Paper
 Washington City Paper Publishing: NewspapersConsumer Services Publishes newspapers | Consumer Services |
United States Export Council
 United States Export Council Miscellaneous Commercial ServicesCommercial Services Operates as an association of renewable energy trade organizations | Commercial Services |
Washington Tennis & Education Foundation
 Washington Tennis & Education Foundation Washington Tennis & Education Foundation seeks to keep children off city streets during out-of-school time in a safe environment they can trust. Washington Tennis & Education Foundation is based in Washington, DC. The company engages children in productive activities that teach discipline, build confidence, improve school performance, and encourage a healthy lifestyle. WTEF empowers students to achieve their highest potential by helping them develop meaningful values and critical life skills that will lead them to make constructive life choices. The mission of WTEF is to improve the life prospects of low-income, underserved children and youth in the District of Columbia through athletic and academic enrichment. | |
The Seed Foundation
 The Seed Foundation Miscellaneous Commercial ServicesCommercial Services Provides scholarships to school students | Commercial Services |
World Teamtennis International, Inc.
 World Teamtennis International, Inc. Movies/EntertainmentConsumer Services Operates professional tennis leagues | Consumer Services |
Washington Kastles LLC
 Washington Kastles LLC Movies/EntertainmentConsumer Services Operates sports club | Consumer Services |
Two Harbors Investment Corp.
 Two Harbors Investment Corp. Real Estate Investment TrustsFinance Operates as a real estate investment trust with a focus on residential mortgage-backed securities | Finance |
Smithsonian National Museum of Natural History
Smithsonian National Museum of Natural History Other Consumer ServicesConsumer Services Operates as a museum | Consumer Services |
District of Columbia Public Education Fund | |
Leland Investments, Inc. | |
Reed Krakoff LLC
 Reed Krakoff LLC Apparel/FootwearConsumer Non-Durables Distributes women's clothing | Consumer Non-Durables |
Kastle Holding Co. LLC | |
Kastle Systems LLC
Kastle Systems LLC Miscellaneous Commercial ServicesCommercial Services Operates as security provider and patrol service | Commercial Services |
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 |
Harvard Business School
 Harvard Business School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
AgroFresh Solutions, Inc.
 AgroFresh Solutions, Inc. Agricultural Commodities/MillingProcess Industries Provides post-harvest solutions | Process Industries |
Lindblad Expeditions Holdings, Inc.
 Lindblad Expeditions Holdings, Inc. Hotels/Resorts/Cruise linesConsumer Services Provides sea and land based expedition services | Consumer Services |
Capitol Acquisition Corp. III
 Capitol Acquisition Corp. III Financial ConglomeratesFinance Operates as a blank check company | Finance |
Cision Ltd.
 Cision Ltd. Packaged SoftwareTechnology Services Provides consumer and media intelligence, engagement & communication solutions | Technology Services |
Capitol Investment Corp. IV
 Capitol Investment Corp. IV Finance/Rental/LeasingFinance Operates as an investment vehicle | Finance |
Doma Holdings, Inc. (California)
 Doma Holdings, Inc. (California) Packaged SoftwareTechnology Services Develops machine intelligence technology for residential and commercial real estate transactions | Technology Services |
District of Columbia Policy Center | |
Washington E-Sports Ventures LLC
 Washington E-Sports Ventures LLC Movies/EntertainmentConsumer Services Engages in managing professional e-sports team | Consumer Services |
Mde City Paper Holdings LLC
 Mde City Paper Holdings LLC Mde City Paper Holdings LLC is a local news source that has been connecting residents and newcomers to since 1981. The company's journalism and events provide a platform for exploring the city, investigating corruption and exposing wrongdoing, analyzing the District's biggest issues, holding elected officials accountable, and spotlighting the vibrant arts and culture scene. With the support of their members, they offer award-winning photography and in-depth reporting on local news, events, and arts coverage. The company is committed to providing real local journalism and making their readers feel like part of the community. The company is based in Washington. The company was founded by Mark D. Ein. | |
Soho House Holdings Ltd.
 Soho House Holdings Ltd. RestaurantsConsumer Services Operates restaurants | Consumer Services |
Nesco Holdings, Inc.
 Nesco Holdings, Inc. Finance/Rental/LeasingFinance Rents and sells specialty equipment | Finance |
Leland Consulting Group, Inc.
 Leland Consulting Group, Inc. Real Estate DevelopmentFinance Provides real estate services | Finance |
Capitol Investment Corp. V
 Capitol Investment Corp. V Financial ConglomeratesFinance Operates as a blank check company | Finance |
The Gridiron Club & Foundation
 The Gridiron Club & Foundation Miscellaneous Commercial ServicesCommercial Services The Gridiron Club & Foundation is a company that operates in the Membership Organizations industry. It is headquartered in Washington. | Commercial Services |
Capitol Investment Corp. VII
 Capitol Investment Corp. VII Financial ConglomeratesFinance Operates as blank check company | Finance |
Capitol Investment Corp. VI
 Capitol Investment Corp. VI Financial ConglomeratesFinance Operates as a blank check company | Finance |
BrightSpark Capitol Corp.
 BrightSpark Capitol Corp. Financial ConglomeratesFinance Operates as a blank check company | Finance |
Soho House & Co., Inc.
 Soho House & Co., Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a platform of physical and digital spaces that connects global group of members | Commercial Services |
Custom Truck One Source, Inc.
 Custom Truck One Source, Inc. Finance/Rental/LeasingFinance Custom Truck One Source, Inc. engages in the sale and rental of truck and heavy equipment. The firm offers aftermarket parts and service, equipment customization, remanufacturing, financing solutions, and asset disposal services. The company was founded in 1996 and is headquartered in Kansas City, MO. | Finance |
Doma Holdings, Inc.
 Doma Holdings, Inc. Specialty InsuranceFinance Provides title insurance and escrow services | Finance |
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