Gilbert + Tobin Executive and Leadership Team

October, 2026

Leadership Overview

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

Renowned for legal excellence, Gilbert + Tobin delivers innovative solutions across financial services, healthcare, and infrastructure sectors while maintaining a commitment to navigating complex regulatory landscapes 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 operational performance. Overseeing the integration of legal services across financial, healthcare, and technology sectors, the Chief Executive Officer ensures alignment with long-term growth objectives. This leadership role involves managing high-level stakeholder relationships and driving the firm's reputation for handling complex, critical legal matters. By fostering a culture of innovation, Sam Nickless directly influences the firm's competitive positioning within the Australian market. The Chief Executive Officer coordinates with the partnership to execute large-scale initiatives that expand market reach. Through rigorous oversight of firm-wide performance metrics, Nickless secures the firm's status as a leader in the evolving legal landscape. This executive leadership remains focused on delivering exceptional outcomes for clients while maintaining the highest standards of professional excellence across all regional operations.

    Nyree Dayeian - Chief Financial Officer

    Nyree Dayeian, the Chief Financial Officer at Gilbert + Tobin, manages the firm's fiscal health and long-term financial planning. Overseeing capital allocation, budgeting, and financial reporting, the Chief Financial Officer ensures the firm maintains the resources required to support its complex legal practice areas. This leadership role involves analyzing market trends to inform strategic investment decisions and maintaining robust financial controls. By optimizing revenue streams and managing operational costs, Nyree Dayeian directly impacts the firm's ability to deliver high-value legal services. The Chief Financial Officer works closely with the executive team to ensure financial stability while pursuing growth opportunities in the financial services and infrastructure sectors. Through precise financial oversight, Dayeian supports the firm's commitment to excellence and innovation. This role remains essential for sustaining the firm's competitive advantage and ensuring the continued success of all legal operations across the Australian market.

    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 implementation of secure, scalable systems, the Chief Information Officer ensures that legal teams possess the tools necessary for managing complex data and regulatory compliance requirements. This leadership role involves modernizing internal workflows to enhance efficiency across the firm's diverse practice areas. By integrating advanced cybersecurity protocols, Mitchell Owens protects sensitive client information while supporting the firm's commitment to innovation. The Chief Information Officer collaborates with other C-suite leaders to align technology investments with the firm's broader business goals. Through the deployment of cutting-edge legal technology, Owens drives operational excellence and supports the firm's ability to handle critical legal matters. This focus on digital transformation ensures that the firm remains at the forefront of the Australian legal industry's technological evolution.

    Anna Sparkes - Chief People Officer

    Anna Sparkes, the Chief People Officer at Gilbert + Tobin, drives the firm's talent acquisition, development, and organizational culture initiatives. Overseeing human capital strategies, the Chief People Officer ensures the firm attracts and retains top-tier legal talent capable of managing complex, critical matters. This leadership role involves designing professional development programs that align with the firm's commitment to innovation and excellence. By fostering an inclusive and high-performance work environment, Anna Sparkes directly influences the firm's ability to deliver exceptional outcomes for clients. The Chief People Officer collaborates with the executive team to align workforce capabilities with the firm's strategic goals in the healthcare, technology, and financial sectors. Through the implementation of progressive HR policies, Sparkes supports the firm's reputation as a premier employer in the Australian legal landscape. This focus on human capital remains vital for maintaining the firm's leadership position and long-term operational success.
    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.