DES PLAINES, Ill. , /PRNewswire/ -- GTI Energy announced today that President and Chief Executive Officer David C. Carroll will retire from the company effective August 1, 2022, and Dr. Paula Gant, GTI Energy's Senior Vice President of Corporate Strategy and Innovation, will assume the company's leadership as President and CEO effective July 5, 2022. The GTI Energy Board of Directors, chaired by Ms. Rebecca Ranich, is composed of senior industry executives and globally recognized thought leaders.