Katharine Weymouth
Net worth: 48 M $ as of 2026-06-29
Net worth: 48 M $ as of 2026-06-29
Katharine B. Weymouth was the founder of Dinexpert, Inc., founded in 2017, where the title held was President & Chief Operating Officer from 2017 to 2021.
Current jobs include Independent Director at Graham Holdings Co. since 2010, Independent Director at Republic Services, Inc. since 2018, Independent Director at Xometry, Inc. since 2020, Independent Director at Cable One, Inc. since 2015, Director at The American Institute of Architects, Director at Hudson Highlands Land Trust, Director at Community Foundation For The Greater Capitl Region, Director at Empower Retirement LLC, Director at Grace Reproductive Health Services, Director at Sequoia Fund since 2020, Trustee at Field School, Inc., Trustee at Shelby.
Cullom Davis Charitable Fund, Inc., Chief Operations Officer at ShineTogether since 2021, Venture Partner at Blu Venture Investors LLC.
starting 2025, and Trustee at Philip L.
Graham Fund since 2014.
Former jobs include Chief Executive Officer at WP Co. LLC from 2008 to 2014, Chairman at Greater Washington Community Foundation from 2016 to 2023, Director at American Press Institute, Inc., Director at The Associated Press (New York), Director at The Economic Club of Washington, Director at NewsRight LLC, Trustee at The American Museum of Natural History, Associate Counsel at Washingtonpost.
Newsweek Interactive, Principal at Williams & Connolly LLP in 1996, and Chief Operations Officer at Familycare Health Plans, Inc. from 2021 to 2025.
Education includes a graduate degree from Stanford Law School conferred in 1992.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
GRAHAM HOLDINGS CO. 3.11% | 2026-05-25 | 30,000 ( 3.11% ) | 34 M $ | 2026-06-29 |
| 2026-05-25 | 7,615 ( 0.23% ) | 9 M $ | 2026-06-29 | |
| 2026-04-09 | 34,262 ( 0.06% ) | 3 M $ | 2026-06-29 | |
| 2026-07-14 | 8,138 ( 0% ) | 2 M $ | 2026-06-29 | |
CABLE ONE, INC. 0.09% | 2026-05-13 | 5,325 ( 0.09% ) | 282 811 $ | 2026-06-29 |
| Companies | Position | Start |
|---|---|---|
| GRAHAM HOLDINGS COMPANY | Director/Board Member | 2010-09-22 |
| CABLE ONE, INC. | Director/Board Member | 2015-06-30 |
| REPUBLIC SERVICES, INC. | Director/Board Member | 2018-09-30 |
| XOMETRY, INC. | Director/Board Member | 2020-10-06 |
Sequoia Fund
Sequoia Fund Investment Trusts/Mutual FundsMiscellaneous Functions as an open-end investment fund | Director/Board Member | 2020-08-31 |
ShineTogether
ShineTogether Miscellaneous Commercial ServicesCommercial Services Operates women protection association | Chief Operating Officer | 2020-12-31 |
Empower Retirement LLC
Empower Retirement LLC Investment ManagersFinance Provides retirement plans, advice, wealth management and investment services | Director/Board Member | - |
Shelby Cullom Davis Charitable Fund, Inc.
Shelby Cullom Davis Charitable Fund, Inc. Miscellaneous Commercial ServicesCommercial Services Provides civic social and fraternal associations services | Director/Board Member | - |
Hudson Highlands Land Trust
Hudson Highlands Land Trust Miscellaneous Commercial ServicesCommercial Services Operates as a community based nonprofit land conservation organization | Director/Board Member | - |
| ░░░ ░░░░░░░░ ░░░░░░░░░ ░░ ░░░░░░░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
| ░░░░░░░░░ ░░░░░░░░░░ ░░░ ░░░ ░░░░░░░ ░░░░░░ ░░░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
| Companies | Position | End |
|---|---|---|
| ░░░░░░░░░░ ░░░░░░ ░░░░░░ ░░░░ | ░░░░░ ░░░░░░░░░ ░░░░░░░ | ░░░░░░░░░░ |
| ░░░░░░░ ░░░░░░░░░░ ░░░░░░░░░ ░░░░░░░░░░ | ░░░░░░░░ | - |
| ░░░░░░░░░░ ░░░░ | ░░░░░░░ | ░░░░░░░░░░ |
| ░░ ░░░ ░░░ | ░░░░░ ░░░░░░░░░ ░░░░░░░ | ░░░░░░░░░░ |
| ░░░░░░░░ ░░░░░ ░░░░░░░░ ░░░ | ░░░░░░░░░ ░░░░░░░░░░░░░░░░░ | ░░░░░░░░░░ |
Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 27 |
|---|---|
Graham Holdings Co.
Graham Holdings Co. Other Consumer ServicesConsumer Services Provides educational services for students and professionals | Consumer Services |
Republic Services, Inc.
Republic Services, Inc. Environmental ServicesIndustrial Services Engages in collection, transfer and disposal of non-hazardous solid waste | Industrial Services |
Xometry, Inc.
Xometry, Inc. Information Technology ServicesTechnology Services Develops and provides AI online manufacturing marketplace & cloud-based services | Technology Services |
Sequoia Fund
Sequoia Fund Investment Trusts/Mutual FundsMiscellaneous Functions as an open-end investment fund | Miscellaneous |
Harvard University
Harvard University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
American Press Institute, Inc.
American Press Institute, Inc. Other Consumer ServicesConsumer Services Hosts seminars and provides training and publishing knowledge for journalists online | Consumer Services |
The Associated Press (New York)
The Associated Press (New York) Commercial Printing/FormsCommercial Services Provides news media services | Commercial Services |
Cable One, Inc.
Cable One, Inc. Cable/Satellite TVConsumer Services Provides cable television, phone and internet access services | Consumer Services |
The American Museum of Natural History
The American Museum of Natural History Other Consumer ServicesConsumer Services Operates cultural museums | Consumer Services |
Washingtonpost.Newsweek Interactive
Washingtonpost.Newsweek Interactive Publishing: NewspapersConsumer Services Provides on-line news publishing services | Consumer Services |
Williams & Connolly LLP
Williams & Connolly LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services | Commercial Services |
The American Institute of Architects
The American Institute of Architects Miscellaneous Commercial ServicesCommercial Services Operates a architects membership society | Commercial Services |
Philip L. Graham Fund
Philip L. Graham Fund Philip L. Graham Fund is a private company based in Washington, DC. | |
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 |
Hudson Highlands Land Trust
Hudson Highlands Land Trust Miscellaneous Commercial ServicesCommercial Services Operates as a community based nonprofit land conservation organization | Commercial Services |
WP Co. LLC
WP Co. LLC Publishing: NewspapersConsumer Services Publishes newspapers | Consumer Services |
Field School, Inc.
Field School, Inc. Other Consumer ServicesConsumer Services Operates as a school | Consumer Services |
Greater Washington Community Foundation
Greater Washington Community Foundation Investment Trusts/Mutual FundsMiscellaneous Offers grantmaking services | Miscellaneous |
Community Foundation For The Greater Capitl Region | Miscellaneous |
Blu Venture Investors LLC
Blu Venture Investors LLC Investment ManagersFinance Blu Venture invests in private companies located in the United States. The firm focuses on companies operating in the fields of cybersecurity, healthtech and B2B SaaS sectors. It provides financing for pre-seed and early stage transactions with an investment size of USD 0.05 - 3 million | Finance |
NewsRight LLC
NewsRight LLC Internet Software/ServicesTechnology Services Operates as an online content-tracking and licensing company | Technology Services |
Shelby Cullom Davis Charitable Fund, Inc.
Shelby Cullom Davis Charitable Fund, Inc. Miscellaneous Commercial ServicesCommercial Services Provides civic social and fraternal associations services | Commercial Services |
Stanford Law School
Stanford Law School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Familycare Health Plans, Inc.
Familycare Health Plans, Inc. Managed Health CareHealth Services Provides health plans | Health Services |
Empower Retirement LLC
Empower Retirement LLC Investment ManagersFinance Provides retirement plans, advice, wealth management and investment services | Finance |
Dinexpert, Inc. | |
ShineTogether
ShineTogether Miscellaneous Commercial ServicesCommercial Services Operates women protection association | Commercial Services |
Select your edition
All financial news and data tailored to specific country editions