Mary Ann Davidson was the Chief Security Officer of Oracle Corporation. [1] In August 2025, Bloomberg reports that she will be stepping down after serving for over 35 years. Mary Ann Davidson joined Oracle in 1988 after serving in the U.S. Navy and became the company’s first Chief Security Officer . Oracle Chief Security Officer Mary Ann Davidson , a leading figure in cybersecurity since 1988, has left the company amid reorganization and AI-driven cost-cutting measures.
