William Siwek
Chief Executive Officer at TPI COMPOSITES, INC.
Net worth: 497 949 $ as of 2024-04-29
Profile
William E.
Siwek is currently the President, Chief Executive Officer & Director at TPI Composites, Inc. since 2020.
He is also currently serving as a Director at the American Clean Power Association since 2021.
Previously, Mr. Siwek worked at Arthur Andersen LLP from 1984 to 2002, where he held the position of Partner-Audit & Business Consulting Divisions.
From 2012 to 2013, he was the Chief Financial Officer at T.W.
Lewis Co. He also served as the President & Chief Financial Officer at The Lyle Anderson Co., Inc. from 2002 to 2008.
In 2009 to 2010, he held the role of Chief Financial Officer & Executive Vice President at Talisker Mountain, Inc.Mr. Siwek completed his undergraduate degree at the University of Redlands.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
TPI COMPOSITES, INC.
0.44% | 2024-04-16 | 208,347 ( 0.44% ) | 497 949 $ | 2024-04-29 |
William Siwek active positions
| Companies | Position | Start |
|---|---|---|
| TPI COMPOSITES, INC. | Chief Executive Officer | 2020-05-19 |
American Clean Power Association
 American Clean Power Association Alternative Power GenerationUtilities The American Clean Power Association champions policies that aim to transform the power grid into a low-cost, reliable, and renewable power system. The private company is based in Washington. The CEOs of the American company are JC Sandberg and Jason Grumet. | Director/Board Member | 2020-12-31 |
Former positions of William Siwek
| Companies | Position | End |
|---|---|---|
| T.W. Lewis Co. | Director of Finance/CFO | 2013-08-31 |
| Talisker Mountain, Inc. | Director of Finance/CFO | 2010-03-31 |
| The Lyle Anderson Co., Inc. | Director of Finance/CFO | 2008-11-30 |
Arthur Andersen LLP
 Arthur Andersen LLP Miscellaneous Commercial ServicesCommercial Services Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL. | Corporate Officer/Principal | 2002-04-30 |
Training of William Siwek
| University of Redlands | Undergraduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 1 |
|---|---|
| TPI COMPOSITES, INC. | Producer Manufacturing |
| Private companies | 5 |
|---|---|
| T.W. Lewis Co. | |
| The Lyle Anderson Co., Inc. | |
Arthur Andersen LLP
Arthur Andersen LLP Miscellaneous Commercial ServicesCommercial Services Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL. | Commercial Services |
| Talisker Mountain, Inc. | |
American Clean Power Association
American Clean Power Association Alternative Power GenerationUtilities The American Clean Power Association champions policies that aim to transform the power grid into a low-cost, reliable, and renewable power system. The private company is based in Washington. The CEOs of the American company are JC Sandberg and Jason Grumet. | Utilities |
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