Meet Our Global Executives

Hemlock Semiconductor Group’s leadership team oversees the company’s business strategy and ensures effective corporate governance globally.

Kevin M. Burke Vice President Human Resources PDF	Richard S. (Rick) Doornbos Chief Executive Officer PDF	Jeffery L. (Jeff) Hempfling Strategic Supply Director PDF
D. Aaron Howald Vice President, Chief Financial Officer and Treasurer PDF	David J. (Dave) Pasek Director of Quality PDF	John B. (Brad) Reitz Vice President Science and Technology PDF
David Rengering Site Manager Hemlock, Michigan PDF	Gregory J. (Greg) Skufca Vice President Engineering and Expansions PDF	W. Terry Strange Site Manager Clarksville, Tennessee PDF
James G. (Jim) Stutelberg Vice President Marketing and Sales PDF	John J. Tierney Corporate Counsel and Secretary	Andrew (Andy) E. Tometich President PDF