![Charlotte Guyman](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>)
Charlotte Guyman
Director/Board Member at
BERKSHIRE HATHAWAY INC.
Net worth: 40 M $ as of 2026-03-30
Profile
Charlotte M.
Guyman is the founder of Boardready.
Io.
Current jobs include Independent Director at Berkshire Hathaway, Inc. since 2011, Director at Glaspro, Inc., Independent Director at Space Needle LLC since 2012, Independent Director at CENTER ART LLC, Director at FD3M, Inc., Independent Director at Evercase, Inc., Independent Director at Landing Platform LLC, Director at The Landings Holding Co. LLC since 2022, and Trustee at Lakeside School.
Former jobs include Chairman at UW Medicine from 2000 to 2010, Director at Services Labs, Inc., General Manager at Microsoft Corp.
from 1987 to 1999, and Trustee at Save The Children Federation Inc.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-03-03 | 54 ( 0.01% ) | 39 M $ | 2026-03-30 | |
| 2026-03-03 | 3,462 ( 0% ) | 2 M $ | 2026-03-30 |
Charlotte Guyman active positions
| Companies | Position | Start |
|---|---|---|
| BERKSHIRE HATHAWAY INC. | Director/Board Member | 2002-12-31 |
Space Needle LLC
 Space Needle LLC Movies/EntertainmentConsumer Services Operates amusement parks, arcades & attraction events | Director/Board Member | 2012-11-30 |
Chihuly Garden & Glass
 Chihuly Garden & Glass Miscellaneous Commercial ServicesCommercial Services Operates as an exhibition center | Director/Board Member | - |
Evercase, Inc.
 Evercase, Inc. Miscellaneous Commercial ServicesCommercial Services Provides food freezing and cold supply chain services | Director/Board Member | - |
Glaspro, Inc.
 Glaspro, Inc. Wholesale DistributorsDistribution Services Provides glass construction materials | Director/Board Member | - |
FD3M, Inc.
 FD3M, Inc. Other Consumer SpecialtiesConsumer Durables Engages in R&D and production of cultivated diamonds | Director/Board Member | - |
Lakeside School
 Lakeside School Miscellaneous Commercial ServicesCommercial Services Provides academic programs | Director/Board Member | - |
Landing Platform LLC
 Landing Platform LLC Real Estate DevelopmentFinance Operates as a membership-based network that offers subscription model services for the apartment rental experience | Director/Board Member | - |
The Landings Holding Co. LLC | Director/Board Member | 2021-12-31 |
Former positions of Charlotte Guyman
| Companies | Position | End |
|---|---|---|
| ░░ ░░░░░░░░ | ░░░░░░░░ | ░░░░░░░░░░ |
| ░░░░░░░░░ ░░░░░░░░░░░ | ░░░░░░░░░ ░░░░░░░░░░░░░░░░░ | ░░░░░░░░░░ |
| ░░░░░░░░ ░░░░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
| ░░░░░░░░░░░░░ | ░░░░░░░ | - |
| ░░░░ ░░░ ░░░░░░░░ ░░░░░░░░░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
79
1st degree connections
14
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 14 |
|---|---|
Berkshire Hathaway, Inc.
 Berkshire Hathaway, Inc. Property/Casualty InsuranceFinance Operates as a holding company which offers insurance, rail transportation and energy generation & distribution services | Finance |
Microsoft Corp.
 Microsoft Corp. Packaged SoftwareTechnology Services Develops, manufactures and distributes software products | Technology Services |
Glaspro, Inc.
Glaspro, Inc. Wholesale DistributorsDistribution Services Provides glass construction materials | Distribution Services |
Save The Children Federation Inc.
 Save The Children Federation Inc. Services to the Health IndustryHealth Services Operates as a nonprofit children's relief and development organization | Health Services |
Space Needle LLC
Space Needle LLC Movies/EntertainmentConsumer Services Operates amusement parks, arcades & attraction events | Consumer Services |
Lakeside School
Lakeside School Miscellaneous Commercial ServicesCommercial Services Provides academic programs | Commercial Services |
UW Medicine
 UW Medicine Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Services Labs, Inc.
 Services Labs, Inc. Internet Software/ServicesTechnology Services Provides pricing engine services for estimating the cost of a home project | Technology Services |
The Landings Holding Co. LLC | |
Boardready.Io
 Boardready.Io Electronic ComponentsElectronic Technology Manufactures printed circuit boards | Electronic Technology |
Landing Platform LLC
Landing Platform LLC Real Estate DevelopmentFinance Operates as a membership-based network that offers subscription model services for the apartment rental experience | Finance |
Chihuly Garden & Glass
Chihuly Garden & Glass Miscellaneous Commercial ServicesCommercial Services Operates as an exhibition center | Commercial Services |
FD3M, Inc.
FD3M, Inc. Other Consumer SpecialtiesConsumer Durables Engages in R&D and production of cultivated diamonds | Consumer Durables |
Evercase, Inc.
Evercase, Inc. Miscellaneous Commercial ServicesCommercial Services Provides food freezing and cold supply chain services | Commercial Services |
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- Charlotte Guyman
