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Legit Security, a global leader in AI-native application security posture management (ASPM), has announced key leadership promotions to strengthen its operational and customer-focused initiatives. These strategic moves position the company to meet the rising demand for secure AI-first application development.
Lior Barak promoted to Chief Operating Officer at Legit Security.
Harel Gradus named Head of Customer Success to enhance client support.
John Tierney appointed Vice President of Sales to expand market reach.
Promotions support AI-native ASPM for secure application development.
Leadership brings extensive experience from Checkmarx, Microsoft, and more.
Focus on operational excellence and customer value in AI-driven AppSec.
Legit Security has elevated co-founder Lior Barak to Chief Operating Officer, Harel Gradus to Head of Customer Success, and John Tierney to Vice President of Sales. These appointments align with the company’s mission to deliver clarity, speed, and scalability in application security for organizations adopting AI-first development techniques like vibe coding and AI code assistants. "Lior, Harel and JT are incredibly valued members of our team, and they each carry a wealth of industry knowledge that will fuel our growth," says Roni Fuchs, co-founder and CEO at Legit. "In their new roles, they will continue empowering our team to deliver the very best capabilities and support to our customers, further expand our sales pipeline and maintain our position as a trusted leader in the industry."
As co-founder and new Chief Operating Officer, Lior Barak brings extensive experience from his prior role as chief product and engineering officer at Legit Security. Previously, he held engineering leadership positions at BrightSource and Checkmarx, where he was part of the founding team of CxSCA. His expertise will enhance Legit’s operational goals, ensuring robust support for AI-driven application security solutions.
Harel Gradus, now Head of Customer Success, leverages years of experience in leading customer success teams and delivering field service management solutions. Formerly the director of account management at Legit and vice president of customer success at OverIT, Gradus will focus on maximizing customer value and ensuring seamless experiences with Legit’s ASPM platform.
John Tierney, appointed Vice President of Sales, brings over 25 years of experience advising Fortune 100 organizations on technology and cybersecurity strategies. Previously serving as Legit’s vice president of sales engineering and field chief technology officer, Tierney’s past roles at F5, Microsoft, and Palo Alto Networks position him to drive Legit’s market expansion and sales growth.
These promotions come as Legit Security continues to innovate in AI-native ASPM, addressing the complexities of securing AI-led application development. The leadership team’s combined expertise will strengthen the company’s ability to deliver scalable, high-value solutions, maintaining its position as a trusted leader in the application security industry.
Legit Security’s strategic leadership changes underscore its commitment to operational excellence and customer success, positioning the company to lead the charge in securing AI-first application development for global organizations.
The Legit Security ASPM platform is a new way to manage application security in a world of AI-first development, providing a cleaner way to manage and scale AppSec and address risks. Fast to implement, easy to use, and AI-native, Legit has an unmatched ability to discover and visualize the entire software factory attack surface, including a prioritized view of AppSec data from siloed scanning tools. As a result, organizations have the visibility, context, and automation they need to quickly find, fix, and prevent the application risk that matters most. Spend less time chasing low-risk findings and more time innovating.
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