![Siegfried Thoma](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>)
Siegfried Thoma
Director/Board Member at
DOMAN BUILDING MATERIALS GROUP LTD.
Net worth: 463 644 $ as of 31/05/2026
Profile
Mr. Siegfried J.
Thoma is a President & Chief Executive Officer at Xylo Marketing, Inc., an Independent Director at Doman Building Materials Group Ltd. and a President & Chief Executive Officer at Progressive Services Corp.
He is on the Board of Directors at Doman Building Materials Group Ltd. Mr. Thoma was previously employed as a Trustee by CanWel Building Materials Income Fund, a Manager-International Trading by Rayonier, Inc., a General Manager-International Division by Cascade Empire Corp., a Business Director by Louisiana-Pacific Corp., and a Commodity Fund Manager by Tricon Usa, Inc.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 11/06/2026 | 60,528 ( 0.07% ) | 463 644 $ | 31/05/2026 |
Siegfried Thoma active positions
| Companies | Position | Start |
|---|---|---|
| DOMAN BUILDING MATERIALS GROUP LTD. | Director/Board Member | 29/03/2004 |
Progressive Services Corp.
 Progressive Services Corp. Forest ProductsNon-Energy Minerals Manufactures and distributes wood products | Chief Executive Officer | 01/09/2003 |
Xylo Marketing, Inc. | Chief Executive Officer | 01/01/2021 |
Former positions of Siegfried Thoma
| Companies | Position | End |
|---|---|---|
CanWel Building Materials Income Fund
 CanWel Building Materials Income Fund Investment Trusts/Mutual FundsMiscellaneous Closed-End Investment Fund/Investment Trust | Director/Board Member | 04/02/2010 |
Cascade Empire Corp. | Corporate Officer/Principal | 01/08/2001 |
| LOUISIANA-PACIFIC CORPORATION | Corporate Officer/Principal | 01/10/1998 |
Tricon Usa, Inc. | Corporate Officer/Principal | - |
| RAYONIER INC. | Corporate Officer/Principal | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
31
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Louisiana-Pacific Corp.
 Louisiana-Pacific Corp. Forest ProductsNon-Energy Minerals Manufactures engineered wood building materials | Non-Energy Minerals |
Rayonier, Inc.
 Rayonier, Inc. Real Estate Investment TrustsFinance Operates as a real estate investment trust with interests in forest resources, real estate and performance fibers | Finance |
CanWel Building Materials Income Fund
CanWel Building Materials Income Fund Investment Trusts/Mutual FundsMiscellaneous Closed-End Investment Fund/Investment Trust | Miscellaneous |
Doman Building Materials Group Ltd.
 Doman Building Materials Group Ltd. Wholesale DistributorsDistribution Services Distributes building materials and home renovation products & provides lumber pressure treating services | Distribution Services |
Tricon Usa, Inc. | |
Progressive Services Corp.
Progressive Services Corp. Forest ProductsNon-Energy Minerals Manufactures and distributes wood products | Non-Energy Minerals |
Cascade Empire Corp. | |
Xylo Marketing, Inc. |
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