VAST Executive and Leadership Team

October, 2026

Leadership Overview

VAST has 10 executives leading key functions including strategy, financial operations, revenue growth, technical architecture, and business execution.

Focused on revolutionizing AI infrastructure, VAST delivers a unified software platform that enables organizations to automate complex workflows and reason over real-time data at a global scale.

Leadership Roles at VAST

  • Founder & Chief Executive Officer - Renen Hallak
  • Chief Financial Officer - Amy Shapero
  • Chief Revenue Officer - Rick Scurfield
  • Field Chief Technology Officer - Andy Pernsteiner
  • Principal Solution Architect & Chief Technology Officer, Office of - Andrew Eakin
  • Chief of Staff & Systems Engineering - Michael Slisinger
  • HPC Field Chief Technology Officer - Kyle Lamb
  • Co-Founder & Chief Technology Officer - Alon Horev
  • Chief Technology Officer, Office of & Senior Solutions Architect - Joshua Wentzell
  • Chief of Staff & Vice President, Business Execution - Stacy Wynn
  • Renen Hallak - Founder & Chief Executive Officer

    Renen Hallak, the Founder & Chief Executive Officer at VAST, directs the overarching vision for the AI Operating System. Hallak architects the strategic roadmap for the DASE architecture, ensuring the platform eliminates traditional tradeoffs between performance and scale. By aligning engineering priorities with market demands for intelligent systems, the Founder & Chief Executive Officer drives the company toward becoming a global fabric for reasoning AI. Renen Hallak maintains close collaboration with the Board to secure long-term growth and innovation. This leadership role involves fostering a culture of technical excellence while expanding the footprint of the software infrastructure stack across international markets. Through constant evaluation of emerging AI trends, the Founder & Chief Executive Officer positions the organization to unlock the full potential of data-intensive applications. Ultimately, Hallak secures the competitive advantage of the firm by prioritizing simplicity and resilience in every product iteration.
    Renen Hallak

    Amy Shapero - Chief Financial Officer

    Amy Shapero, the Chief Financial Officer at VAST, manages the fiscal health and capital allocation strategies required to support rapid expansion. Shapero oversees financial planning, investor relations, and corporate governance to ensure the company maintains a robust balance sheet while scaling operations. By analyzing market trends and operational costs, the Chief Financial Officer optimizes resource distribution across engineering and sales departments. Amy Shapero provides the necessary financial rigor to support the deployment of the VAST AI OS in diverse global markets. This leadership role involves coordinating with the executive team to align budgetary goals with the mission of building a unified software infrastructure stack. Through disciplined financial oversight, the Chief Financial Officer enables the organization to invest in breakthrough technologies that define the future of AI. Ultimately, Shapero ensures the long-term sustainability of the business model through strategic financial management.
    Amy Shapero

    Rick Scurfield - Chief Revenue Officer

    Rick Scurfield, the Chief Revenue Officer at VAST, directs global sales initiatives and market penetration strategies for the AI Operating System. Scurfield oversees the expansion of the customer base, ensuring that enterprises adopt the DASE architecture to solve complex data challenges. By building high-performing sales teams, the Chief Revenue Officer drives revenue growth across North American and international territories. Rick Scurfield collaborates with technical leadership to translate the value of the unified software infrastructure stack into tangible business outcomes for clients. This leadership role involves managing complex enterprise relationships and identifying new opportunities for the platform within the AI ecosystem. Through targeted market engagement, the Chief Revenue Officer accelerates the adoption of the company's technology in data-intensive industries. Ultimately, Scurfield secures the market position of the firm by aligning sales efforts with the evolving needs of global AI-driven organizations.
    Rick Scurfield

    Andy Pernsteiner - Field Chief Technology Officer

    Andy Pernsteiner, the Field Chief Technology Officer at VAST, bridges the gap between advanced engineering and real-world customer deployments. Pernsteiner oversees technical validation and solution design, ensuring that the VAST AI OS meets the rigorous demands of large-scale AI environments. By engaging directly with technical stakeholders, the Field Chief Technology Officer architects solutions that leverage the DASE architecture for maximum efficiency. Andy Pernsteiner drives the implementation of the software infrastructure stack in complex enterprise settings, focusing on performance and resilience. This leadership role involves providing deep technical expertise to support the sales organization and influence product development based on field feedback. Through continuous interaction with the market, the Field Chief Technology Officer ensures the platform remains at the forefront of intelligent system design. Ultimately, Pernsteiner secures the technical success of client projects by optimizing the integration of the company's software into existing workflows.

    Andrew Eakin - Principal Solution Architect & Chief Technology Officer, Office of

    Andrew Eakin, the Principal Solution Architect & Chief Technology Officer, Office of at VAST, designs scalable infrastructure frameworks that support the company's AI Operating System. Eakin oversees the technical architecture of complex deployments, ensuring that the DASE architecture delivers consistent performance across diverse environments. By developing innovative solution patterns, the Principal Solution Architect & Chief Technology Officer, Office of enables organizations to automate workflows and reason over real-time data. Andrew Eakin collaborates with engineering teams to refine the software infrastructure stack, focusing on simplicity and operational efficiency. This leadership role involves providing high-level technical guidance to internal teams and external partners to ensure successful adoption of the platform. Through the creation of robust architectural standards, the Principal Solution Architect & Chief Technology Officer, Office of drives the technical evolution of the company's offerings. Ultimately, Eakin secures the reliability of the platform by architecting solutions that meet the most demanding AI requirements.

    Michael Slisinger - Chief of Staff & Systems Engineering

    Michael Slisinger, the Chief of Staff & Systems Engineering at VAST, coordinates internal operations and technical engineering workflows to ensure organizational alignment. Slisinger oversees the integration of systems engineering processes, facilitating communication between product development and field deployment teams. By streamlining operational procedures, the Chief of Staff & Systems Engineering enables the company to maintain high standards of resilience and performance. Michael Slisinger supports the executive leadership in executing the strategic mission of building a unified software infrastructure stack for AI. This leadership role involves managing cross-functional projects that require deep technical understanding and administrative precision. Through the optimization of internal workflows, the Chief of Staff & Systems Engineering drives the efficiency of the organization as it scales globally. Ultimately, Slisinger secures the operational integrity of the firm by ensuring that engineering efforts remain focused on the core objectives of the AI Operating System.

    Kyle Lamb - HPC Field Chief Technology Officer

    Kyle Lamb, the HPC Field Chief Technology Officer at VAST, focuses on the application of the AI Operating System within high-performance computing environments. Lamb oversees the technical strategy for HPC clients, ensuring that the DASE architecture provides the necessary throughput for massive data processing. By optimizing the software infrastructure stack for scientific and research workloads, the HPC Field Chief Technology Officer drives the adoption of the platform in specialized sectors. Kyle Lamb collaborates with research institutions and enterprise labs to push the boundaries of what is possible with reasoning AI. This leadership role involves providing specialized technical guidance to ensure that the company's technology meets the extreme performance requirements of the HPC market. Through deep engagement with the scientific community, the HPC Field Chief Technology Officer influences the development of future product features. Ultimately, Lamb secures the company's reputation in the HPC space by delivering unparalleled performance and scalability.

    Alon Horev - Co-Founder & Chief Technology Officer

    Alon Horev, the Co-Founder & Chief Technology Officer at VAST, leads the technical innovation and development of the company's core software infrastructure stack. Horev architects the DASE architecture, ensuring the platform remains the world's first true parallel distributed system. By overseeing the engineering roadmap, the Co-Founder & Chief Technology Officer drives the creation of foundational data and compute services that power intelligent systems. Alon Horev collaborates with the broader engineering team to maintain the balance between performance, scale, and simplicity. This leadership role involves setting the technical direction for the AI Operating System and ensuring the platform facilitates communication between AI agents. Through constant innovation, the Co-Founder & Chief Technology Officer positions the organization as a leader in the AI infrastructure market. Ultimately, Horev secures the technological foundation of the firm by fostering a culture of breakthrough engineering and continuous improvement.
    Alon Horev

    Joshua Wentzell - Chief Technology Officer, Office of & Senior Solutions Architect

    Joshua Wentzell, the Chief Technology Officer, Office of & Senior Solutions Architect at VAST, develops advanced technical strategies for deploying the AI Operating System in complex enterprise environments. Wentzell oversees the design of scalable solutions that allow organizations to automate workflows and reason over real-time data. By providing expert architectural guidance, the Chief Technology Officer, Office of & Senior Solutions Architect ensures that the software infrastructure stack is implemented with maximum efficiency. Joshua Wentzell collaborates with clients to solve unique data challenges, leveraging the DASE architecture to achieve superior results. This leadership role involves bridging the gap between high-level technical strategy and practical implementation. Through the development of robust solution frameworks, the Chief Technology Officer, Office of & Senior Solutions Architect drives the successful adoption of the company's technology across diverse industries. Ultimately, Wentzell secures the technical success of the firm by delivering high-impact solutions that address the most critical needs of AI-driven enterprises.

    Stacy Wynn - Chief of Staff & Vice President, Business Execution

    Stacy Wynn, the Chief of Staff & Vice President, Business Execution at VAST, manages the operational execution of the company's strategic initiatives. Wynn oversees the alignment of business processes with the mission of building a unified software infrastructure stack for AI. By coordinating across departments, the Chief of Staff & Vice President, Business Execution ensures that the organization remains agile and focused on its growth objectives. Stacy Wynn facilitates communication between the executive team and the broader organization to drive efficiency and accountability. This leadership role involves managing the operational cadence of the company and ensuring that resources are directed toward the most impactful projects. Through the implementation of effective business processes, the Chief of Staff & Vice President, Business Execution supports the scaling of the AI Operating System globally. Ultimately, Wynn secures the operational success of the firm by ensuring that strategic goals are translated into actionable and measurable results.

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    Frequently Asked Questions Regarding VAST Top Executives and Leadership Team

    Who leads VAST?
    VAST is led by Renen Hallak (Founder & Chief Executive Officer), along with executives such as Amy Shapero (Chief Financial Officer) and Rick Scurfield (Chief Revenue Officer).
    Who is part of VAST’s executive team?
    The executive team of VAST includes leaders such as Renen Hallak (Founder & Chief Executive Officer), Amy Shapero (Chief Financial Officer), Rick Scurfield (Chief Revenue Officer) and other senior executives.
    How many executives does VAST have?
    VAST has 10 executives leading key business areas.
    What roles are included in VAST’s leadership team?
    The leadership team of VAST includes roles such as Founder & Chief Executive Officer, Chief Financial Officer, Chief Revenue Officer, Field Chief Technology Officer, Principal Solution Architect & Chief Technology Officer, Office of.