Executive Team

Jerry Winters

Jerry Winters

President and Chief Executive Officer

Jerry Winters has 38 years of experience in the semiconductor materials and integrated circuit industry. He started his career with Fairchild Semiconductor in 1978, during his nine years he held positions in both engineering and operations management. In 1987 Jerry joined the Laporte/Rockwood Specialties group where he was global operations manager of their U.S. and European silicon wafer reclaim operations. In 2007 he joined the Pure Wafer organization following the acquisition of Exsil from Rockwood Specialties, where he was an officer of Exsil. In 2009 Jerry joined the Pure Wafer Board of Directors as U.S. Managing Director.

Dave Griffeth

Dave Griffeth

Chief Financial Officer

Dave has been overseeing corporate finances as CFO since June of 2008. Previously, Dave was Vice President of Finance at Photon Dynamics, Inc., a publicly traded capital equipment provider. His responsibilities included financial planning and reporting, integration of acquisitions and enabling a secondary public stock offering. Prior to that, Dave was Vice President and Corporate Controller for XO Communications, formerly Concentric Network, making significant contributions to the company's growth through multiple acquisitions and a series of public debt and equity offerings. Formerly, he served as Corporate Controller for Borland International, a publicly held software provider and Mouse Systems Corporation.

Dave received his M.B.A. in finance from Indiana University, a B.S. in accounting from Ohio State University and holds a C.P.A. certification from New York State.

Ernie Sedillo

Ernie Sedillo

Vice President of Sales

Ernie Sedillo joined Pure Wafer in July 2010 as Director of Business Development before being promoted to VP of Sales in Jan 2015. Mr. Sedillo is also the head of Corporate Marketing and the Information Technology for Pure Wafer. In this role, he focuses on the development and execution of strategies to achieve key corporate goals, manages the analysis of global semiconductor markets to drive the technology roadmap, and leads communication campaigns for corporate branding and messaging.

He began his career at Novellus Systems in 1995, where during his 15 year tenure he held numerous positions within the Applications Lab and Procurement group. His responsibilities included global supply chain management for indirect materials, the development of sales channels for the thin films business, and the development of the wafer management software programs.