William Siwek

Chief Executive Officer at TPI COMPOSITES, INC.

Net worth: 497 949 $ as of 30/04/2024

61 year

Commercial Services

Producer Manufacturing

Consumer Services

William Siwek active positions

Companies	Position	Start	End
TPI COMPOSITES, INC.	Chief Executive Officer	20/05/2020	-
	Director/Board Member	20/05/2020	-
	President	08/05/2019	-
	Comptroller/Controller/Auditor	01/08/2013	08/05/2019
	Director of Finance/CFO	01/08/2013	08/05/2019
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	01/01/2021	-

Companies	Position	Start	End
T.W. Lewis Co.	Director of Finance/CFO	01/09/2012	01/09/2013
Talisker Mountain, Inc.	Director of Finance/CFO	01/01/2009	01/04/2010
The Lyle Anderson Co., Inc.	Director of Finance/CFO	01/12/2002	01/12/2008
The Lyle Anderson Co., Inc.	President	01/12/2002	01/12/2008
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	01/09/1984	01/05/2002

University of Redlands

Undergraduate Degree

International

United States

Operational

Sectoral

Positions held

Active

Inactive

Listed companies

Private companies

Listed companies	1
TPI COMPOSITES, INC.	Producer Manufacturing

Private companies	5
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
T.W. Lewis Co.
The Lyle Anderson Co., Inc.
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