Quest Executive and Leadership Team

July, 2026

Leadership Overview

Quest has 8 executives leading key functions including strategy, finance, human resources, and technology.

Driven by innovation, Quest is dedicated to empowering organizations through advanced software solutions, simplifying complex IT challenges to foster digital transformation and AI integration.

Leadership Roles at Quest

  • Chief Executive Officer - Henry Bestritsky
  • Co-Founder & Chief Executive Officer - Laith Mimi
  • Chief Financial Officer - Daniel Kelly
  • President - David Doyle
  • President - Bernard Erwin
  • 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 company's overarching strategy and operational execution. Bestritsky guides the development and deployment of Quest's comprehensive software portfolio, which spans data management, cybersecurity, identity protection, and platform modernization. This leadership ensures Quest's solutions effectively support organizations navigating digital transformation and AI-driven initiatives. The Chief Executive Officer's focus remains on simplifying complex technology challenges, enabling businesses to enhance operational efficiency and build scalable, modern IT ecosystems. Henry Bestritsky drives the company's commitment to delivering robust tools for database management, cloud migration, identity governance, endpoint management, and infrastructure monitoring, solidifying Quest's market position.

    Laith Mimi - Co-Founder & Chief Executive Officer

    Laith Mimi, the Co-Founder & Chief Executive Officer at Quest, shapes the strategic vision and long-term direction of the enterprise software company. Mimi's leadership is central to Quest's mission of developing solutions that empower organizations in data management, cybersecurity, identity protection, and platform modernization. The Co-Founder & Chief Executive Officer ensures the company's offerings align with critical digital transformation and AI-driven initiatives, simplifying complex IT environments. Laith Mimi oversees the integration of tools for database management, cloud migration, identity governance, endpoint management, and infrastructure monitoring, fostering operational efficiency and robust security. This executive's role is pivotal in building scalable, modern IT ecosystems for clients globally.

    Daniel Kelly - Chief Financial Officer

    Daniel Kelly, the Chief Financial Officer at Quest, manages the company's financial health and strategic fiscal planning. Kelly oversees all financial operations, including budgeting, forecasting, and capital allocation, ensuring robust financial performance across Quest's software solutions for data management, cybersecurity, and identity protection. The Chief Financial Officer plays a critical part in supporting digital transformation and AI initiatives by securing the necessary resources and financial frameworks. Daniel Kelly's expertise guides the company's investment in tools for database management, cloud migration, and infrastructure monitoring, directly impacting operational efficiency and market competitiveness. This executive ensures Quest maintains a strong financial foundation for sustained growth and innovation.

    David Doyle - President

    David Doyle, the President at Quest, drives significant operational and strategic initiatives across key business segments of the global enterprise software company. Doyle's leadership focuses on enhancing the delivery and market penetration of Quest's solutions in data management, cybersecurity, and identity protection, supporting clients' digital transformation and AI-driven objectives. The President oversees the strategic deployment of tools for database management, cloud migration, and infrastructure monitoring, ensuring optimal performance and client satisfaction. David Doyle's purview includes fostering cross-functional collaboration to simplify complex technology challenges, enabling businesses to improve operational efficiency and build scalable, modern IT ecosystems. This executive's role is integral to Quest's sustained growth and market leadership.

    Bernard Erwin - President

    Bernard Erwin, the President at Quest, spearheads critical business development and strategic partnerships, expanding the reach of the company's enterprise software solutions. Erwin's focus is on driving market adoption of tools for data management, cybersecurity, and identity protection, particularly for organizations engaged in digital transformation and AI initiatives. The President directs efforts to ensure Quest's portfolio, including solutions for database management, cloud migration, and infrastructure monitoring, effectively addresses complex IT challenges. Bernard Erwin's leadership cultivates environments that enhance operational efficiency and strengthen security, enabling clients to build scalable, modern IT ecosystems. This executive's strategic vision is key to Quest's ongoing success and global expansion.

    Curtis Johnstone - Engineer, Office of the Chief Technology Officer

    Curtis Johnstone, the Engineer, Office of the Chief Technology Officer at Quest, contributes directly to the technological innovation and strategic direction of the company's software solutions. Johnstone's engineering expertise supports the development of advanced tools for data management, cybersecurity, and identity protection, crucial for organizations undergoing digital transformation and AI integration. The Engineer, Office of the Chief Technology Officer collaborates on enhancing platforms for database management, cloud migration, and infrastructure monitoring. Curtis Johnstone's work ensures Quest's technology remains at the forefront, simplifying complex IT challenges and enabling the creation of scalable, modern IT ecosystems. This role is vital for maintaining Quest's competitive edge in the enterprise software market.

    Alyssa Lahar - Chief Human Resources Officer

    Alyssa Lahar, the Chief Human Resources Officer at Quest, leads the strategic development and execution of human capital initiatives across the global enterprise software company. Lahar oversees talent acquisition, employee development, and organizational culture, ensuring Quest attracts and retains top talent essential for innovation in data management, cybersecurity, and identity protection. The Chief Human Resources Officer champions programs that support digital transformation and AI-driven initiatives by fostering a skilled and engaged workforce. Alyssa Lahar's leadership ensures Quest's teams are equipped to manage, secure, and optimize IT environments, driving operational efficiency and strengthening security. This executive cultivates an environment where employees can thrive while building scalable, modern IT ecosystems.
    Alyssa Lahar

    Randy Rouse - Field Chief Technology Officer

    Randy Rouse, the Field Chief Technology Officer at Quest, bridges the gap between advanced technology solutions and client needs across diverse industries. Rouse focuses on translating Quest's software capabilities in data management, cybersecurity, and identity protection into tangible business value for organizations pursuing digital transformation and AI integration. The Field Chief Technology Officer engages directly with clients to understand their IT environments, guiding the implementation of tools for database management, cloud migration, and infrastructure monitoring. Randy Rouse's technical leadership ensures clients can effectively manage, secure, and optimize their systems, building scalable and modern IT ecosystems. This executive's role is critical for driving customer success and demonstrating the practical application of Quest's technology.

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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 8 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, President, President.