Mark A. Wolf

Jeff Barlow

Senior Vice President, General Counsel And Corporate Secretary

Martin Panchula

Vice President And Chief Technology Officer

Daniel Fashimpaur

Vice President Treasurer

Kazuya Saito

Vice President, Crucibles Business Unit

Lisa Sweetnich

Finance Manager

Seungki Min

Vice President, Corporate Development

Peter Sanders

Vice President, Human Resources

Melissa Trout

Senior Director, Global Production - Quartz

Alex Kalemkeris

Managing Director Sales