REA Group Executive and Leadership Team

August, 2026

Leadership Overview

REA Group has 4 executives leading key functions including organizational strategy, technology infrastructure, financial planning, and legal governance.

Focused on digital property innovation, REA Group delivers comprehensive market insights and property services to global audiences while maintaining a firm commitment to sustainable business practices.

Leadership Roles at REA Group

  • Deputy Chief Financial Officer - Mark Corso
  • Chief of Staff - Erin Thorne
  • Chief Technology Officer - Steve Maidment
  • Chief Legal Officer & Company Secretary - Tamara Kayser
  • Mark Corso - Deputy Chief Financial Officer

    Mark Corso, the Deputy Chief Financial Officer at REA Group, manages financial reporting and capital allocation strategies to support long-term growth. Overseeing fiscal planning, the Deputy Chief Financial Officer ensures the integrity of financial data and compliance with Australian Securities Exchange requirements. This role involves analyzing market trends to inform investment decisions regarding property services and home financing solutions. By optimizing cost structures, Corso improves operational efficiency across the organization. The Deputy Chief Financial Officer works closely with the finance team to provide accurate forecasting and risk assessment for the executive board. Through the management of financial resources, Mark Corso secures the capital necessary for expanding digital property platforms into new global markets. This position requires a deep understanding of the property industry to align financial performance with strategic business objectives, ultimately ensuring the continued stability and profitability of the company.

    Erin Thorne - Chief of Staff

    Erin Thorne, the Chief of Staff at REA Group, coordinates cross-functional initiatives to ensure alignment with corporate objectives. Managing internal communications and executive workflows, the Chief of Staff facilitates seamless collaboration across departments. This role involves translating high-level strategic goals into actionable operational plans for the broader organization. By optimizing internal processes, Thorne enhances organizational efficiency and supports the delivery of digital property solutions. The Chief of Staff monitors progress on key performance indicators, providing the leadership team with critical data for decision-making. Through rigorous oversight of corporate projects, Erin Thorne drives the execution of the company mission. This position requires constant interaction with senior leadership to maintain focus on long-term growth targets. By streamlining communication channels, the Chief of Staff ensures that all business units remain synchronized with the overarching vision of the company.

    Steve Maidment - Chief Technology Officer

    Steve Maidment, the Chief Technology Officer at REA Group, architects the digital infrastructure supporting property listings and data analytics platforms. Overseeing global technology operations, the Chief Technology Officer ensures the scalability and security of digital services across Australia, Asia, Europe, and North America. This role involves integrating advanced data tools to provide users with accurate valuation estimates and market insights. By driving innovation in software development, Maidment maintains the competitive edge of the digital property platforms. The Chief Technology Officer collaborates with product teams to enhance the user experience for property seekers throughout the entire property journey. Through the implementation of robust cloud solutions, Steve Maidment supports the high-volume traffic demands of the digital marketplace. This leadership role focuses on technological resilience and the continuous improvement of digital assets to meet evolving consumer needs in the global property sector.
    Steve Maidment
    Tamara Kayser, the Chief Legal Officer & Company Secretary at REA Group, directs all legal affairs and corporate governance protocols. Overseeing regulatory compliance, the Chief Legal Officer & Company Secretary ensures that all digital property services adhere to international standards and local laws. This role involves managing intellectual property, contractual obligations, and board relations to protect the interests of the organization. By providing legal guidance on mergers and acquisitions, Kayser supports the expansion of the company into diverse global regions. The Chief Legal Officer & Company Secretary maintains the highest standards of corporate transparency and ethical conduct, reinforcing the reputation of the firm. Through proactive risk management, Tamara Kayser safeguards the business against potential legal challenges. This leadership role requires constant vigilance regarding changing regulatory landscapes, ensuring that the company continues to operate with integrity while delivering innovative solutions to the property market.
    Tamara Kayser

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    Frequently Asked Questions Regarding REA Group Top Executives and Leadership Team

    Who leads REA Group?
    REA Group is led by Mark Corso (Deputy Chief Financial Officer), along with executives such as Erin Thorne (Chief of Staff) and Steve Maidment (Chief Technology Officer).
    Who is part of REA Group’s executive team?
    The executive team of REA Group includes leaders such as Mark Corso (Deputy Chief Financial Officer), Erin Thorne (Chief of Staff), Steve Maidment (Chief Technology Officer) and other senior executives.
    How many executives does REA Group have?
    REA Group has 4 executives leading key business areas.
    What roles are included in REA Group’s leadership team?
    The leadership team of REA Group includes roles such as Deputy Chief Financial Officer, Chief of Staff, Chief Technology Officer, Chief Legal Officer & Company Secretary.