Thomas Mackey has 12 years of experience in the extraction and refining of rare earth fluorides into rare earth eutectic alloys, magnet alloys, and powders with Neomet Corporation USA, a past subsidiary of Mitsubishi Materials Corporation, Japan. He was the Executive Vice President of Operations for Mitsubishi Polycrystalline Silicon America, a producer of chlorosilane chemicals and high-purity polycrystalline silicon sold to manufacturers of semiconductor and solar wafers.
Most recently, Thomas Mackey was the Senior Vice President of Operations with SUMCO Phoenix Corporation, a producer of high-purity single-crystal silicon and polished and epitaxial silicon wafers for semiconductor manufacturers. He holds a B.S. in Industrial, Mechanical Engineering from Texas A&M University and an MBA from the University of Houston.