TPI Composites Promotes Siwek to CEO


TPI Composites Inc., an independent manufacturer of composite wind blades, has appointed William E. Siwek, currently president, to president and CEO, effective May 20, 2020.  

Siwek also has been nominated to stand for election to join TPI’s board of directors.

“Bill’s appointment as CEO is part of our succession planning efforts to ensure that TPI remains well-positioned to execute on its long-term strategic goals,” says TPI’s chairman of the board, Paul Giovacchini. “Bill has built a great team and demonstrated tremendous leadership in his prior roles as president and chief financial officer at TPI, which will serve us well as he leads TPI going forward.”

Steven C. Lockard, whose career at TPI began in 1999 and who has served as CEO since 2004, has been nominated for a new three-year term as director and, if elected, will become chairman of the TPI board, effective May 20. Lockard will also serve as chairman of a newly formed technology committee of the board to oversee the company’s innovation efforts for both wind and transportation markets.

In addition, TPI says Steven Bransfield and Michael DeRosa will be retiring from TPI’s board of directors. Bransfield has served as a director at TPI since 2010, and DeRosa has served as a director since 2009. Giovacchini will assume the role of lead independent director of TPI’s board of directors.

“I look forward to leading TPI and the incredible team we have assembled and continuing to build value for all of our stakeholders including our stockholders, customers, associates and the communities in which we operate,” says Siwek.

“I also am excited to continue collaborating with Steve as TPI’s chairman on our strategy and development of the company’s advanced technology,” he adds.

Photo: TPI Composites’ landing page

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