Today, Celestica delivers innovative supply chain solutions globally to customers in strategic two operating and reporting segments: Advanced Technology Solutions (ATS) and Connectivity and Cloud Solutions (CC): ATS: This segment serves customers in complex, regulated and high-reliability markets such as Industrial & Smart Energy, Aerospace & Defense, Semiconductor Capital Equipment, and HealthTech. Deals directly with immediate supervisor, co-workers and team members; engages in exchanges of factual information and provides some explanation in a problem solving capacity; interactions with external contacts, if applicable, require exchanging factual information and providing some explanation.