Mark Atchison, CRL, is Senior Reliability Engineer He has worked in the world of industrial maintenance for over 10 years. Florian has discovered working for ArcelorMittal and Nippon Steel in Calvert, Alabama. After a 25-year career with General Motors, primarily at the Saturn Corporation, Mark joined Amazon and developed the reliability-centered maintenance (RCM) program for fulfillment centers across the network, which is still a successful program that is in place today.