Senthilkumar (Senthil) Thiyagarajan, PhD., is a supply chain analytics professional at Medline Industries, specializing in digital twins, supply chain optimization, and Industry 4.0 technologies. His research and publications span supply chain management, Lean Six Sigma, Quality, and digital transformation. A Lean Six Sigma Black Belt, Senthil actively serves in leadership roles within ASQ and IISE, contributing to content management and division-level initiatives.