Nelles

John Nelles is a seasoned professional in quality assurance with extensive experience in the chemical industry. Currently serving as the Director of Quality Assurance at SI Group since March 2022, John previously held the position of Quality Manager at The Dow Chemical Company from December 2007 to March 2022, where responsibilities included managing global quality systems and leading audits for the Acrylic Monomer and Plastic Additive businesses. John's earlier roles at The Dow included Lab Manager, overseeing multiple quality assurance laboratories, and Analytical Chemist, focusing on laboratory maintenance and budget monitoring. John began the career as an Analytical Technician at Kelly Scientific Resources. John holds a Bachelor of Chemistry from the University of Illinois Springfield, earned from 2002 to 2006.