Mary O’Brien is the General Manager of IBM Security, the largest enterprise security company
in the world, helping protect the world's data against cyber-attacks in a challenging,
interconnected environment.
Mary leads a global team of 8,000+ professionals in 130+ countries. Under her leadership, IBM
Security’s portfolio has evolved to operate on open security standards, enabling interoperable
multi hybrid cloud environments.
With 30+ years of industry experience, Mary is a strategic partner to the world’s largest
companies’ CEOs, CISOs, and CIOs on cybersecurity, AI, and IT strategy. She is a mentor and
advocate for diversity and inclusion in the workplace.