ESR Group Executive and Leadership Team

November, 2026

Leadership Overview

ESR Group has 7 executives leading key functions including corporate strategy, data centre development, financial management, operational oversight, REIT administration, regional financial control, and executive leadership.

Committed to advancing the digital economy through sustainable infrastructure, ESR Group delivers high-quality logistics real estate and energy solutions to support global supply chains and long-term investor value.

Leadership Roles at ESR Group

  • Chief Executive Officer - Marcel Bizaoui
  • Chief Executive Officer, Data Centres - Diarmid Massey
  • Chief Executive Officer, Suntec REIT - Kee Hiong Chong
  • Chief Financial Officer - Matthew Lawson
  • Chief Financial Officer, Country - Wimonwan Khachonpisitsak
  • Chief Operating Officer, Data Centres - Toby Selman
  • President - Philip Pearce
  • Marcel Bizaoui - Chief Executive Officer

    Marcel Bizaoui, the Chief Executive Officer at ESR Group, directs the overarching corporate strategy and integrated platform operations across the Asia-Pacific region. Bizaoui manages the expansion of logistics real estate and energy infrastructure portfolios to meet the evolving demands of the global digital economy. By aligning fund management activities with development goals, the Chief Executive Officer ensures consistent value creation for investors and business partners. Bizaoui maintains rigorous oversight of asset operations, driving efficiency across the entire investment lifecycle. This leadership role involves constant engagement with the Board to refine long-term growth trajectories and market positioning. Through the implementation of sustainable development practices, Marcel Bizaoui strengthens the competitive advantage of the firm. Ultimately, Bizaoui secures the financial health and operational excellence of the organization while navigating complex international real estate markets.

    Diarmid Massey - Chief Executive Officer, Data Centres

    Diarmid Massey, the Chief Executive Officer, Data Centres at ESR Group, architects the strategic vision for the firm's rapidly expanding data centre portfolio. Massey oversees the acquisition, development, and operational management of high-capacity digital infrastructure across key global markets. By coordinating with technical teams and investment committees, the Chief Executive Officer, Data Centres ensures that all facilities meet the stringent requirements of modern cloud and enterprise clients. Diarmid Massey drives the integration of energy-efficient technologies into every project, supporting the broader corporate commitment to sustainability. This role requires constant monitoring of technological trends and market demand to maintain a robust pipeline of digital assets. Through the leadership of Diarmid Massey, the firm successfully scales its presence in the competitive data centre sector. Massey delivers consistent growth by optimizing asset performance and fostering strong relationships with global technology partners.

    Kee Hiong Chong - Chief Executive Officer, Suntec REIT

    Kee Hiong Chong, the Chief Executive Officer, Suntec REIT at ESR Group, directs the strategic management and performance of the real estate investment trust. Chong oversees the portfolio of commercial and retail assets, focusing on maximizing rental income and property valuations. By implementing proactive asset management strategies, the Chief Executive Officer, Suntec REIT enhances the attractiveness of the trust to institutional and retail investors. Kee Hiong Chong manages the acquisition and divestment pipeline to ensure the portfolio remains aligned with current market trends and growth objectives. This leadership role requires constant engagement with tenants and stakeholders to maintain high occupancy rates and operational efficiency. Through the efforts of Kee Hiong Chong, the REIT achieves consistent financial performance and long-term value creation. Chong ensures that all activities adhere to strict regulatory standards while promoting sustainable practices across the managed property portfolio.

    Matthew Lawson - Chief Financial Officer

    Matthew Lawson, the Chief Financial Officer at ESR Group, manages the global financial strategy, capital allocation, and fiscal reporting for the entire investment platform. Lawson oversees the treasury functions, tax planning, and investor relations to ensure the long-term stability of the company's diverse asset base. By collaborating with the executive team, the Chief Financial Officer supports the funding of large-scale logistics and energy infrastructure projects. Matthew Lawson directs the financial risk management framework, protecting the firm against market volatility while maximizing returns for stakeholders. This leadership position involves rigorous analysis of capital structures and debt management to facilitate sustainable growth. Through the diligent oversight of Matthew Lawson, the organization maintains a strong balance sheet capable of supporting ambitious development goals. Lawson ensures transparency and compliance across all financial operations, reinforcing the reputation of the firm within the global investment community.

    Wimonwan Khachonpisitsak - Chief Financial Officer, Country

    Wimonwan Khachonpisitsak, the Chief Financial Officer, Country at ESR Group, manages the financial operations and fiscal health of the firm's specific regional market presence. Khachonpisitsak oversees local accounting, budgeting, and financial reporting to ensure compliance with regional regulations and corporate standards. By providing critical financial insights to the local leadership team, the Chief Financial Officer, Country supports informed decision-making regarding regional investments and operational expenditures. Wimonwan Khachonpisitsak directs the local treasury and tax functions, optimizing cash flow to support ongoing development projects. This role involves close coordination with the global finance team to ensure alignment with the broader corporate strategy. Through the diligent work of Wimonwan Khachonpisitsak, the firm maintains robust financial controls and operational transparency within the region. Khachonpisitsak secures the necessary resources to drive local growth while mitigating financial risks associated with regional market fluctuations.

    Toby Selman - Chief Operating Officer, Data Centres

    Toby Selman, the Chief Operating Officer, Data Centres at ESR Group, executes the operational strategy for the firm's digital infrastructure assets. Selman manages the day-to-day performance of data centre facilities, ensuring uptime, security, and operational efficiency for a diverse client base. By streamlining maintenance protocols and facility management processes, the Chief Operating Officer, Data Centres optimizes the lifecycle value of every asset. Toby Selman coordinates with regional teams to implement standardized operational procedures that support rapid scaling across international markets. This role involves close collaboration with the development team to ensure that new facilities meet rigorous operational standards upon completion. Through the leadership of Toby Selman, the firm maintains high service levels that attract top-tier technology tenants. Selman drives continuous improvement in energy usage and operational workflows, directly contributing to the overall profitability and sustainability of the data centre division.

    Philip Pearce - President

    Philip Pearce, the President at ESR Group, drives the strategic execution of the firm's logistics real estate development and investment initiatives. Pearce oversees the expansion of the integrated platform, focusing on identifying new market opportunities and strengthening the company's footprint across the Asia-Pacific region. By coordinating with regional heads and investment teams, the President ensures that development projects align with the firm's commitment to high-quality, sustainable infrastructure. Philip Pearce manages the relationships with key capital partners and institutional investors, facilitating the growth of the fund management business. This leadership role involves setting operational priorities and fostering a culture of excellence across the organization. Through the strategic guidance of Philip Pearce, the firm maintains its position as a leader in the logistics real estate sector. Pearce delivers consistent results by optimizing the development pipeline and ensuring the successful delivery of modern space solutions.
    Philip Pearce

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    Frequently Asked Questions Regarding ESR Group Top Executives and Leadership Team

    Who leads ESR Group?
    ESR Group is led by Marcel Bizaoui (Chief Executive Officer), along with executives such as Diarmid Massey (Chief Executive Officer, Data Centres) and Kee Hiong Chong (Chief Executive Officer, Suntec REIT).
    Who is part of ESR Group’s executive team?
    The executive team of ESR Group includes leaders such as Marcel Bizaoui (Chief Executive Officer), Diarmid Massey (Chief Executive Officer, Data Centres), Kee Hiong Chong (Chief Executive Officer, Suntec REIT) and other senior executives.
    How many executives does ESR Group have?
    ESR Group has 7 executives leading key business areas.
    What roles are included in ESR Group’s leadership team?
    The leadership team of ESR Group includes roles such as Chief Executive Officer, Chief Executive Officer, Data Centres, Chief Executive Officer, Suntec REIT, Chief Financial Officer, Chief Financial Officer, Country.