Deligiannis assumed his current role in 2024. In 2025, GE HealthCare advanced Tele-ICU deployments in Saudi Arabia, centralizing 300 ICU beds across 59 hospitals to a virtual hospital in Riyadh. The company also partnered with the Egyptian Ministry of Health and Population, and the Egyptian Authority for Unified Procurement, Medical Supply, and Management of Medical Technology, to establish an ultrasound production facility in Egypt. Deligiannis is also a board member of Mecomed.