Noma Security Strengthens Leadership Team with Key Appointments to Drive AI Security Innovation
Noma Security appoints Diana Kelley as CISO and Mavi Grizer as VP of Customer Success, marking a strategic move to enhance its leadership in AI security and customer satisfaction.

Noma Security, a forefront leader in agentic AI security, has announced the addition of two esteemed executives to its leadership roster: Diana Kelley as Chief Information Security Officer (CISO) and Mavi Grizer as Vice President of Customer Success. These appointments are a testament to the company's dedication to assembling a top-tier leadership team to address the escalating demands in enterprise AI security.
CEO and Co-Founder Niv Braun highlighted the unique qualifications both leaders bring to Noma Security. Kelley's extensive background includes pivotal roles at Microsoft, IBM Security, and Symantec, alongside her recent tenure as CISO at Protect AI. Her expertise and leadership in AI security are expected to significantly contribute to bridging the gap between Noma Security's innovative solutions and the practical needs of its customers. Grizer, with her rich experience in customer success at Wiz and Microsoft, is poised to elevate the company's customer engagement and satisfaction to new heights.
Kelley expressed her enthusiasm for joining Noma Security, citing the company's innovative approach to AI security as a key motivator. Grizer shared similar sentiments, emphasizing the critical nature of securing AI in enterprise settings and her eagerness to contribute to the company's mission. These strategic hires follow Noma Security's recent $100M funding round, signaling robust growth and a strong market position in AI security.
For those interested in exploring Noma Security's solutions, the company offers a demo of its platform and will be present at Black Hat USA 2025, providing an opportunity to engage with its executive and product teams.