Accessibility StatementSkip Navigation SECAUCUS, N.J., Nov. 3, 2025 /PRNewswire/ -- Quest Diagnostics Incorporated (NYSE: DGX), a leader in diagnostic information services, announced that Sam Samad, Executive Vice President and Chief Financial Officer, will speak on the company's strategy, performance and the latest market developments and trends during Citi's 2025 Global Healthcare Conference in Miami on Tuesday, December 2, 2025, at 3:15 p.m. Eastern Time. The fireside chat and Q&A session will be webcast ...