Nancy Kowalski has been named new president and CEO of INVISTA, a Koch company, effective March 1, 2026. In this role, she’ll be responsible for continuing to adapt and improve business models across INVISTA, a global manufacturer of chemical intermediates, polymers and fibers used in parts for the automotive industry, medical equipment, airbags, food packaging and clothing.

Nancy has 22 years of expertise across INVISTA in a variety of its business lines and its global supply chain. She joined INVISTA as a director of corporate reporting in 2004 and went on to hold leadership roles in treasury, global finance and global supply chain.

She was most recently executive vice president for INVISTA’s global nylon business, with operations in China, Europe, and the United States, leading its overall profit and loss management and overseeing Nylon Sales and Marketing, the strategic management of feedstock procurement and purchasing processes for the company.

After more than 30 years of service to Koch, Brook Vickery, president and CEO of INVISTA, has announced his retirement, effective March 1, 2026. Brook joined Koch in 1991 as an instrument engineer for Flint Hills Resources. He joined INVISTA as its global operations leader in 2023 and then became president and CEO in January 2025.