![William Blackburn](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>)
Net worth: 158 775 $ as of 2026-06-29
William Blackburn is the founder of Emes LLC.
Mr. Blackburn is the Chief Executive Officer & Managing Director at Alexium International Group Ltd. since 2022.
Mr. Blackburn is a Trustee at International Sleep Products Association, Inc. since 2024.
Mr. Blackburn was Vice President at Giant Cement Holding, Inc. from 2020 to 2022.
Mr. Blackburn was Manager at Giant Resource Recovery-Harleyville, Inc. from 2020 to 2022.
Mr. Blackburn completed undergraduate studies at Darla Moore School of Business.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-01-27 | 28,659,830 ( 0.92% ) | 158 775 $ | 2026-06-29 |
| Companies | Position | Start |
|---|---|---|
| ALEXIUM INTERNATIONAL GROUP LIMITED | Chief Executive Officer | 2022-08-31 |
International Sleep Products Association, Inc.
 International Sleep Products Association, Inc. Miscellaneous Commercial ServicesCommercial Services International Sleep Products Association, Inc. is a trade organization representing the mattress and sleep products industry, including manufacturers, suppliers, retailers, and related services across approximately 40 countries. The non-profit company is based in Alexandria, VA. The association advances the industry through advocacy, education, research, and collaboration, and provides members with resources such as industry statistics, market data, consumer research, legislative tracking, safety and labeling guidelines, and sustainability tools. Key initiatives include the Better Sleep Council, which focuses on consumer behavior and education, and the Mattress Recycling Council, which manages mattress recycling programs in states with relevant laws. The association addresses regulatory issues like mattress flammability and promotes environmentally responsible practices through sustainability programs. It hosts major industry events, including the biennial ISPA Expo, sustainability conference, and industry conference, and publishes industry-focused magazines and newsletters to keep members informed on market trends, legislation, and product developments. | Director/Board Member | 2024-03-31 |
| Companies | Position | End |
|---|---|---|
Giant Resource Recovery-Harleyville, Inc.
 Giant Resource Recovery-Harleyville, Inc. Environmental ServicesIndustrial Services Provides hazardous and non-hazardous alternative fuel recycling services | Corporate Officer/Principal | 2022-08-31 |
Giant Cement Holding, Inc.
 Giant Cement Holding, Inc. Construction MaterialsNon-Energy Minerals Produces cement | Corporate Officer/Principal | 2022-08-31 |
Active
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Listed companies
Private companies
1st degree connections
1st degree companies
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Members of the board
Executives
| Private companies | 5 |
|---|---|
Giant Cement Holding, Inc.
Giant Cement Holding, Inc. Construction MaterialsNon-Energy Minerals Produces cement | Non-Energy Minerals |
International Sleep Products Association, Inc.
International Sleep Products Association, Inc. Miscellaneous Commercial ServicesCommercial Services International Sleep Products Association, Inc. is a trade organization representing the mattress and sleep products industry, including manufacturers, suppliers, retailers, and related services across approximately 40 countries. The non-profit company is based in Alexandria, VA. The association advances the industry through advocacy, education, research, and collaboration, and provides members with resources such as industry statistics, market data, consumer research, legislative tracking, safety and labeling guidelines, and sustainability tools. Key initiatives include the Better Sleep Council, which focuses on consumer behavior and education, and the Mattress Recycling Council, which manages mattress recycling programs in states with relevant laws. The association addresses regulatory issues like mattress flammability and promotes environmentally responsible practices through sustainability programs. It hosts major industry events, including the biennial ISPA Expo, sustainability conference, and industry conference, and publishes industry-focused magazines and newsletters to keep members informed on market trends, legislation, and product developments. | Commercial Services |
Alexium International Group Ltd.
 Alexium International Group Ltd. Chemicals: SpecialtyProcess Industries Engages in the business of developing chemical solutions | Process Industries |
Darla Moore School of Business
 Darla Moore School of Business Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Giant Resource Recovery-Harleyville, Inc.
Giant Resource Recovery-Harleyville, Inc. Environmental ServicesIndustrial Services Provides hazardous and non-hazardous alternative fuel recycling services | Industrial Services |
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