Gilbert + Tobin Executive and Leadership Team

November, 2026

Leadership Overview

Gilbert + Tobin has 4 executives leading key functions including strategy, financial management, information technology, and human resources.

Renowned for legal excellence, Gilbert + Tobin delivers innovative solutions across financial services, healthcare, and technology sectors to ensure superior outcomes for public and private clients.

Leadership Roles at Gilbert + Tobin

  • Chief Executive Officer - Sam Nickless
  • Chief Financial Officer - Nyree Dayeian
  • Chief Information Officer - Mitchell Owens
  • Chief People Officer - Anna Sparkes
  • Sam Nickless - Chief Executive Officer

    Sam Nickless, the Chief Executive Officer at Gilbert + Tobin, directs the firm's overarching strategic vision and market positioning. Overseeing the integration of corporate advisory services with complex regulatory compliance, the Chief Executive Officer ensures the firm maintains its status as Australia's most advanced legal practice. Sam Nickless drives growth initiatives across the financial services and infrastructure sectors, fostering high-level partnerships with both public and private sector clients. By aligning operational goals with the evolving legal landscape, the Chief Executive Officer optimizes firm-wide performance and resource allocation. This leadership role involves constant collaboration with the Board to refine long-term objectives and maintain competitive advantages. Through rigorous oversight of firm-wide initiatives, Nickless secures the firm's reputation for delivering exceptional legal outcomes in critical, high-stakes matters while expanding the reach of the practice across the Australian market.

    Nyree Dayeian - Chief Financial Officer

    Nyree Dayeian, the Chief Financial Officer at Gilbert + Tobin, manages the firm's fiscal health and capital allocation strategies. Overseeing financial planning, reporting, and risk management, the Chief Financial Officer ensures the firm possesses the necessary resources to support complex legal operations. Nyree Dayeian drives financial efficiency by monitoring performance metrics across diverse sectors like healthcare and technology. By collaborating with the executive team, the Chief Financial Officer aligns budgetary priorities with the firm's broader growth objectives. This leadership role involves maintaining robust financial controls and transparency to support sustainable expansion within the Australian legal market. Through the implementation of sophisticated financial modeling, Dayeian provides the data-driven insights required for strategic decision-making. Ultimately, the Chief Financial Officer secures the firm's long-term economic stability while facilitating investment in the innovative legal solutions that define the firm's market presence.

    Mitchell Owens - Chief Information Officer

    Mitchell Owens, the Chief Information Officer at Gilbert + Tobin, architects the firm's digital infrastructure and technological capabilities. Overseeing the deployment of secure, scalable systems, the Chief Information Officer ensures the firm remains at the forefront of legal technology innovation. Mitchell Owens drives the integration of advanced data analytics and cybersecurity protocols to protect sensitive client information across financial and infrastructure projects. By collaborating with legal teams, the Chief Information Officer streamlines workflows and enhances the delivery of comprehensive legal services. This leadership role involves managing the firm's digital transformation to support complex, high-stakes legal matters. Through the continuous evaluation of emerging technologies, Owens maintains the firm's operational agility in a rapidly evolving digital landscape. Ultimately, the Chief Information Officer secures the technological foundation necessary for the firm to provide superior, efficient, and secure legal solutions to a diverse client base.

    Anna Sparkes - Chief People Officer

    Anna Sparkes, the Chief People Officer at Gilbert + Tobin, directs the firm's human capital strategy and organizational culture. Overseeing talent acquisition, professional development, and employee engagement, the Chief People Officer ensures the firm attracts and retains the highest caliber of legal professionals. Anna Sparkes drives initiatives that foster an inclusive and high-performance environment, essential for navigating complex legal matters in sectors like healthcare and technology. By collaborating with the executive leadership team, the Chief People Officer aligns workforce capabilities with the firm's strategic goals. This leadership role involves managing performance management systems and promoting a culture of excellence that supports the firm's reputation for innovation. Through the implementation of comprehensive training programs, Sparkes enhances the expertise of the firm's staff. Ultimately, the Chief People Officer secures the human talent required to maintain the firm's position as a leader in the Australian legal landscape.
    Anna Sparkes

    Frequently Asked Questions Regarding Gilbert + Tobin Top Executives and Leadership Team

    Who leads Gilbert + Tobin?
    Gilbert + Tobin is led by Sam Nickless (Chief Executive Officer), along with executives such as Nyree Dayeian (Chief Financial Officer) and Mitchell Owens (Chief Information Officer).
    Who is part of Gilbert + Tobin’s executive team?
    The executive team of Gilbert + Tobin includes leaders such as Sam Nickless (Chief Executive Officer), Nyree Dayeian (Chief Financial Officer), Mitchell Owens (Chief Information Officer) and other senior executives.
    How many executives does Gilbert + Tobin have?
    Gilbert + Tobin has 4 executives leading key business areas.
    What roles are included in Gilbert + Tobin’s leadership team?
    The leadership team of Gilbert + Tobin includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Information Officer, Chief People Officer.