Nasuni, a leading unified file data platform, announced on August 26, 2025, the appointment of David Castignola as Chief Revenue Officer, Anthony Miller as Chief Marketing Officer, and James Lemonias as Senior Vice President of Customer Success. These strategic hires aim to strengthen customer and partner relationships while accelerating Nasuni’s global growth in hybrid cloud storage and AI-driven data management.
Nasuni appoints David Castignola as CRO, Anthony Miller as CMO, and James Lemonias as SVP of Customer Success.
New leaders to drive global growth and AI-ready data strategies for enterprises.
Castignola brings 20+ years of go-to-market expertise from RSA, Optiv, and Delinea.
Miller’s experience at PowerSchool enhances Nasuni’s customer-centric marketing.
Lemonias to lead customer success, leveraging success at Bottomline and Carbonite.
Nasuni’s platform supports AI innovation for clients like Mattel and Blue Bird.
Nasuni’s new executive appointments align with its mission to lead in hybrid cloud storage and unstructured data management. “I am thrilled to welcome Dave, Anthony, and James to our talented team at Nasuni,” said Sam King, CEO of Nasuni. “They join us at a pivotal time in our journey, as hybrid cloud storage and unstructured data management platforms become a critical foundation for building effective long-term AI strategies for businesses.” These leaders bring extensive experience to drive Nasuni’s high-growth trajectory and customer success.
David Castignola, with over two decades of experience, joins as CRO to expand Nasuni’s go-to-market strategies. At RSA, he led the customer response during the SecurID cyberattack, later serving as CRO at Optiv, COO at BlackBerry Cylance, and CRO at Delinea, where he scaled global sales post-merger. At Nasuni, Castignola will focus on strengthening channel partnerships and supporting customers’ AI strategies, ensuring scalable and impactful solutions.
Anthony Miller, a seasoned B2B SaaS executive, steps into the CMO role to drive global marketing with a customer-first approach. His leadership at PowerSchool, where he contributed to the 2019 CODiE Marketing Team of the Year award, equips him to enhance Nasuni’s market presence. Miller’s holistic expertise in marketing, sales, and partnerships will help enterprises leverage Nasuni’s platform for AI-driven transformation, amplifying its value proposition.
James Lemonias, appointed SVP of Customer Success, brings a proven track record from Bottomline Technologies, where he supported a product line that grew to $700 million in revenue, and Carbonite, where he built its first customer success functions. At Nasuni, Lemonias will lead customer success, services, and support, ensuring organizations maximize their file data’s value for AI initiatives, delivering measurable outcomes.
As AI adoption surges, Nasuni’s platform addresses the urgent need for secure, scalable data management. New clients like Blue Bird, KUKA, and Fette Compacting join established names like Mattel and Barnes & Noble, relying on Nasuni to modernize file storage and prepare unstructured data for AI applications. The launch of File IQ Premium and Ops IQ enhances visibility and control, enabling businesses to transform data into actionable intelligence.
Nasuni’s leadership appointments signal a bold step toward shaping the future of AI-driven data management. With a strengthened executive team, recent client wins, and industry accolades, including a fifth consecutive NorthFace ScoreBoard Service Award and recognition on Frost & Sullivan’s Hybrid Cloud Storage Frost Radar, Nasuni is poised to lead the market in delivering innovative, customer-centric solutions.
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