Gilbert + Tobin Executive and Leadership Team

August, 2026

Leadership Overview

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

Renowned for legal excellence, Gilbert + Tobin delivers innovative solutions across financial services, healthcare, and infrastructure sectors. The firm maintains a commitment to navigating complex regulatory landscapes while ensuring exceptional outcomes for public and private sector 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 overarching strategic vision and operational trajectory of the firm. Overseeing the integration of legal expertise with business innovation, the Chief Executive Officer ensures the firm maintains a competitive edge in the Australian market. This leadership role involves coordinating with the partnership to drive growth across core sectors like financial services and technology. By fostering a culture of excellence, Sam Nickless aligns the firm with the evolving needs of complex, high-stakes legal matters. The Chief Executive Officer manages the firm's long-term market positioning, ensuring that Gilbert + Tobin remains at the forefront of the legal industry. Through rigorous oversight of firm-wide performance, the Chief Executive Officer secures sustainable success and reinforces the reputation of the firm as a premier provider of corporate advisory and regulatory compliance services.

    Nyree Dayeian - Chief Financial Officer

    Nyree Dayeian, the Chief Financial Officer at Gilbert + Tobin, manages the financial health and fiscal strategy of the firm. Overseeing capital allocation, budgeting, and financial reporting, the Chief Financial Officer ensures the firm possesses the resources required to support high-level corporate advisory and infrastructure projects. This leadership role involves analyzing market trends to optimize profitability and maintain the firm's strong financial standing. By providing critical financial oversight, Nyree Dayeian supports the strategic expansion of the firm into new sectors like healthcare and technology. The Chief Financial Officer works closely with the partnership to ensure fiscal discipline while funding innovation and talent acquisition. Through meticulous management of the firm's financial assets, the Chief Financial Officer secures the stability needed to navigate complex legal environments, ultimately ensuring that Gilbert + Tobin continues to deliver exceptional value to all stakeholders.

    Mitchell Owens - Chief Information Officer

    Mitchell Owens, the Chief Information Officer at Gilbert + Tobin, architects the digital infrastructure and technological framework necessary for modern legal practice. Managing the firm's cybersecurity posture and data management systems, the Chief Information Officer ensures that all digital assets remain secure while supporting complex mergers and acquisitions. This role involves implementing advanced software solutions to streamline document review and regulatory compliance processes. By driving digital transformation, Mitchell Owens enables the firm to deliver faster, more accurate legal insights to clients. The Chief Information Officer collaborates with other C-suite leaders to integrate technology into the core service delivery model, enhancing operational efficiency across all practice areas. Through the deployment of cutting-edge tools, the Chief Information Officer maintains the technological superiority of the firm, ensuring that Gilbert + Tobin stays ahead of the curve in an increasingly digitized legal landscape.

    Anna Sparkes - Chief People Officer

    Anna Sparkes, the Chief People Officer at Gilbert + Tobin, directs the human capital strategy and talent development initiatives for the firm. Overseeing recruitment, professional development, and organizational culture, the Chief People Officer ensures the firm attracts and retains the top legal talent required for complex advisory work. This role involves designing programs that foster inclusivity and high performance across all practice groups. By aligning workforce capabilities with the firm's strategic goals, Anna Sparkes drives the professional growth of the entire team. The Chief People Officer collaborates with leadership to cultivate an environment that supports innovation and excellence in legal service delivery. Through the implementation of robust talent management frameworks, the Chief People Officer strengthens the internal foundation of the firm, ensuring that Gilbert + Tobin remains a destination for the best legal minds in Australia.

    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.