Quest Executive and Leadership Team

August, 2026

Leadership Overview

Quest has 10 executives leading key functions including strategy, revenue, finance, technology, and human resources.

Focused on simplifying complex IT environments, Quest delivers robust solutions for data management, cybersecurity, and platform modernization to drive global digital transformation and operational efficiency.

Leadership Roles at Quest

  • Chief Executive Officer - Henry Bestritsky
  • Co-Founder & Chief Executive Officer - Laith Mimi
  • Chief Financial Officer - Daniel Kelly
  • Quest Software Clearlake Capital PE-Backed President & Chief Financial Officer - Ashish Joshi
  • President - David Doyle
  • President - Bernard Erwin
  • Chief Revenue Officer - Ed Carter
  • Engineer, Office of the Chief Technology Officer - Curtis Johnstone
  • Chief Human Resources Officer - Alyssa Lahar
  • Field Chief Technology Officer - Randy Rouse
  • Henry Bestritsky - Chief Executive Officer

    Henry Bestritsky, the Chief Executive Officer at Quest, directs the overarching corporate strategy and long-term vision for the enterprise software portfolio. Bestritsky architects high-level initiatives that align data management and cybersecurity solutions with the evolving needs of global organizations. By overseeing the integration of AI-driven tools into the core product suite, the Chief Executive Officer ensures that the company maintains a competitive edge in cloud migration and infrastructure monitoring. This leadership role involves constant collaboration with the Board to optimize market positioning and drive sustainable growth across North American and EMEA markets. Through rigorous focus on simplifying complex technology challenges, Henry Bestritsky secures the company's status as a leader in modern IT ecosystems. The Chief Executive Officer consistently evaluates market trends to refine the product roadmap, ensuring that all software offerings support the digital transformation goals of enterprise clients worldwide.

    Laith Mimi - Co-Founder & Chief Executive Officer

    Laith Mimi, the Co-Founder & Chief Executive Officer at Quest, drives the foundational mission and strategic expansion of the organization. Mimi architects the company's approach to identity protection and endpoint management, ensuring that all software solutions address critical security vulnerabilities for enterprise clients. By overseeing the development of scalable IT ecosystems, the Co-Founder & Chief Executive Officer fosters innovation across the entire product lifecycle. This leadership role requires deep engagement with technical teams to ensure that platform modernization efforts remain aligned with industry standards. Laith Mimi directly influences the company's market impact by championing solutions that improve operational efficiency and strengthen security postures for global businesses. Through the continuous refinement of the product portfolio, the Co-Founder & Chief Executive Officer maintains a focus on delivering high-value tools that simplify complex technology environments, ultimately supporting the long-term success and stability of the entire enterprise software business.

    Daniel Kelly - Chief Financial Officer

    Daniel Kelly, the Chief Financial Officer at Quest, directs the financial planning, analysis, and reporting functions for the entire organization. Kelly architects the fiscal strategy that supports the company's investment in AI-driven initiatives and platform modernization. By overseeing capital allocation and operational budgeting, the Chief Financial Officer ensures that resources are directed toward high-growth areas such as identity governance and endpoint management. This leadership role involves maintaining rigorous financial controls and providing the Board with actionable insights regarding the company's economic performance. Daniel Kelly directly influences the long-term financial health of the business by optimizing cost structures and identifying opportunities for sustainable revenue expansion. Through the management of global financial operations, the Chief Financial Officer provides the stability necessary for the company to pursue its mission of simplifying complex IT environments, ultimately ensuring that all strategic objectives remain supported by a robust and transparent financial framework.

    Ashish Joshi - Quest Software Clearlake Capital PE-Backed President & Chief Financial Officer

    Ashish Joshi, the Quest Software Clearlake Capital PE-Backed President & Chief Financial Officer at Quest, directs the financial integration and operational efficiency initiatives following private equity investment. Joshi architects the financial restructuring and performance optimization strategies that align the company's operations with the goals of its investors. By overseeing the alignment of fiscal reporting with operational milestones, the Quest Software Clearlake Capital PE-Backed President & Chief Financial Officer ensures that the business maintains a focus on profitability and growth. This leadership role involves managing the relationship with stakeholders and ensuring that all financial activities support the company's broader mission of delivering secure and scalable IT solutions. Ashish Joshi directly impacts the company's market value by driving operational excellence and streamlining internal processes. Through the rigorous oversight of financial performance, the Quest Software Clearlake Capital PE-Backed President & Chief Financial Officer secures the resources required to advance the company's portfolio of data management and cybersecurity products.

    David Doyle - President

    David Doyle, the President at Quest, directs the operational execution of the company's core business units. Doyle architects the strategic plans that govern the delivery of data management and cybersecurity solutions to a global client base. By overseeing the day-to-day operations of key departments, the President ensures that the company meets its performance targets and maintains high standards of service delivery. This leadership role involves coordinating across functional teams to streamline processes and improve the efficiency of the company's IT ecosystems. David Doyle directly impacts the company's growth by ensuring that operational activities remain aligned with the broader mission of simplifying complex technology challenges. Through the management of internal resources and the implementation of best practices, the President supports the company's ability to scale its operations and deliver consistent value to enterprise customers, ultimately contributing to the overall success and market impact of the organization.

    Bernard Erwin - President

    Bernard Erwin, the President at Quest, directs the strategic expansion and market development for specific product lines within the enterprise software portfolio. Erwin architects the initiatives that drive the adoption of identity governance and endpoint management solutions across diverse industry sectors. By overseeing the alignment of product development with market demand, the President ensures that the company's offerings remain at the forefront of the cybersecurity and data management landscape. This leadership role involves managing key strategic partnerships and ensuring that the company's solutions effectively address the evolving security needs of modern IT environments. Bernard Erwin directly impacts the company's market reach by identifying new opportunities for growth and ensuring that the organization remains responsive to the needs of its global client base. Through the focused management of product-specific strategies, the President contributes to the company's overall mission of building scalable, modern IT ecosystems that empower businesses to achieve their digital transformation goals.

    Ed Carter - Chief Revenue Officer

    Ed Carter, the Chief Revenue Officer at Quest, directs all global sales operations and revenue-generating activities. Carter architects the go-to-market strategy for data management and cybersecurity solutions, ensuring that sales teams effectively communicate the value of the company's portfolio to enterprise clients. By overseeing regional sales performance across diverse international markets, the Chief Revenue Officer optimizes the sales funnel to maximize growth and market share. This leadership role involves close coordination with product teams to align revenue targets with the release of new infrastructure monitoring and cloud migration tools. Ed Carter directly impacts the company's financial trajectory by implementing scalable sales processes that support digital transformation initiatives. Through the strategic management of client relationships and channel partnerships, the Chief Revenue Officer ensures consistent revenue streams, enabling the business to invest in future innovation and maintain a strong competitive position within the global software industry.

    Curtis Johnstone - Engineer, Office of the Chief Technology Officer

    Curtis Johnstone, the Engineer, Office of the Chief Technology Officer at Quest, directs the technical research and development of advanced software architectures. Johnstone architects the underlying frameworks for the company's database management and infrastructure monitoring tools, ensuring that all solutions meet the highest standards of performance and scalability. By overseeing the integration of emerging technologies into the existing product suite, the Engineer, Office of the Chief Technology Officer drives the technical innovation necessary for modern IT ecosystems. This leadership role involves collaborating with cross-functional teams to solve complex engineering challenges and improve the reliability of the company's software offerings. Curtis Johnstone directly impacts the company's ability to support digital transformation by creating robust, future-proof technical solutions. Through the continuous evaluation of new development methodologies, the Engineer, Office of the Chief Technology Officer ensures that the company remains at the forefront of technological advancement, providing clients with the tools needed to secure and optimize their IT environments.

    Alyssa Lahar - Chief Human Resources Officer

    Alyssa Lahar, the Chief Human Resources Officer at Quest, directs the global talent strategy and organizational development initiatives. Lahar architects programs that attract, retain, and develop the specialized workforce required to build and support complex enterprise software solutions. By overseeing employee engagement, leadership development, and corporate culture, the Chief Human Resources Officer ensures that the company maintains a high-performing team capable of driving innovation in cybersecurity and data management. This leadership role involves aligning human capital strategies with the company's overall business objectives, including digital transformation and AI-driven initiatives. Alyssa Lahar directly impacts the company's success by fostering an environment that encourages technical excellence and operational efficiency. Through the implementation of comprehensive talent management frameworks, the Chief Human Resources Officer ensures that the organization possesses the human resources necessary to meet the evolving demands of the global IT market and maintain a competitive edge in the software industry.
    Alyssa Lahar

    Randy Rouse - Field Chief Technology Officer

    Randy Rouse, the Field Chief Technology Officer at Quest, directs the technical engagement with global customers and partners. Rouse architects the translation of complex customer requirements into actionable product feedback, ensuring that the company's solutions for identity protection and platform modernization remain relevant to real-world IT challenges. By overseeing the technical strategy for field operations, the Field Chief Technology Officer bridges the gap between engineering development and market application. This leadership role involves providing technical expertise to sales and support teams, ensuring that clients receive the maximum value from their investment in the company's software portfolio. Randy Rouse directly impacts the company's market position by advocating for customer-centric innovation and ensuring that product roadmaps address the most pressing security and management needs. Through the continuous analysis of field data, the Field Chief Technology Officer drives the refinement of the company's technology stack, ensuring that all offerings support the digital transformation goals of enterprise organizations.

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    Frequently Asked Questions Regarding Quest Top Executives and Leadership Team

    Who leads Quest?
    Quest is led by Henry Bestritsky (Chief Executive Officer), along with executives such as Laith Mimi (Co-Founder & Chief Executive Officer) and Daniel Kelly (Chief Financial Officer).
    Who is part of Quest’s executive team?
    The executive team of Quest includes leaders such as Henry Bestritsky (Chief Executive Officer), Laith Mimi (Co-Founder & Chief Executive Officer), Daniel Kelly (Chief Financial Officer) and other senior executives.
    How many executives does Quest have?
    Quest has 10 executives leading key business areas.
    What roles are included in Quest’s leadership team?
    The leadership team of Quest includes roles such as Chief Executive Officer, Co-Founder & Chief Executive Officer, Chief Financial Officer, Quest Software Clearlake Capital PE-Backed President & Chief Financial Officer, President.