Biography of William Siwek

Last update: April 14, 2022


William was Chief Financial Officer at T.W. Lewis, and Executive Vice President and Chief Financial Officer at Talisker Mountain. William Siwek joined TPI Composites in 2013. William served as Chief Financial Officer at TPI Composites.

William Siwek is currently President, Chief Executive Officer and Director at TPI Composites - View - TPI Composites org chart

Create an alert
to follow the career of William Siwek.


In 1984, William Siwek completed a Bachelor of Science in Accounting and Economics at University of Redlands.

They have also studied at University of Redlands :

Find more alumni from University of Redlands

The colleagues of William Siwek

Company Colleagues
Industry Colleagues

Report an error
Update the org chart details of William Siwek.

Get in Touch

Sorry, but William Siwek cannot be contacted yet through our email service. Please use our Premium/VIP service to join colleagues of William Siwek listed below. Here are a few tips for establishing great contacts.

With Skype, Call TPI Composites at +1 480... and ask for William Siwek.


The most constantly updated executive directory.



Learn about your clients' org charts. Understand their industries and their competitors.



View the executives' biographies. Contact the executives through our email platform.



Select key words to follow your clients. Receive alerts when executive movements happen.


Track your clients

File your clients in folders. Add private notes. Download our data in Excel on your PC.