Grant Thornton Executive and Leadership Team

October, 2026

Leadership Overview

Grant Thornton has 10 executives leading key functions including strategy, operations, financial advisory, and business consulting.

Committed to delivering high-quality professional services, Grant Thornton empowers organizations through comprehensive audit, tax, and advisory solutions that drive sustainable growth and regulatory compliance across diverse global markets.

Leadership Roles at Grant Thornton

  • Chief Executive Officer & Managing Partner - Ronald Almera
  • Chief Financial Officer, Advisory & Manager - Aisling Nee
  • Chief Financial Officer, Advisory & Manager - David Nordstrom
  • Experienced Manager, Chief Financial Officer Advisory - Mac Jones
  • Principal - Chief Financial Officer Advisory. Valuation and Modeling - Todd Patrick
  • Experienced Manager - Chief Financial Officer Advisory, Asset Management - Kal Mathieu
  • Chief Operating Officer - Edward Bambauer
  • Managing Director - Carli McClure
  • Managing Director - David Sandry
  • Managing Director - Brian May
  • Ronald Almera - Chief Executive Officer & Managing Partner

    Ronald Almera, the Chief Executive Officer & Managing Partner at Grant Thornton, directs the overarching strategic vision and operational excellence of the firm. Almera architects long-term growth initiatives while ensuring the organization maintains rigorous standards in audit, tax, and advisory services. By aligning the firm's alternative practice structure with evolving market demands, the Chief Executive Officer & Managing Partner fosters a culture of innovation and client-centric delivery. Ronald Almera oversees the integration of business support services across North American operations, ensuring consistent quality and regulatory compliance. This leadership role involves constant collaboration with the Board to refine service offerings and expand market reach. Through decisive management, the Chief Executive Officer & Managing Partner secures the firm's position as a leader in professional services, driving value for clients and stakeholders alike while maintaining the highest ethical obligations.
    Ronald Almera

    Aisling Nee - Chief Financial Officer, Advisory & Manager

    Aisling Nee, the Chief Financial Officer, Advisory & Manager at Grant Thornton, directs financial advisory services focused on corporate finance and strategic planning. Nee architects financial models that assist clients in making informed decisions regarding capital allocation and business growth. By overseeing advisory engagements, the Chief Financial Officer, Advisory & Manager ensures that clients receive expert guidance on complex financial matters. Aisling Nee collaborates with other advisory leaders to integrate tax and consulting services, providing a comprehensive approach to client needs. This leadership role involves driving the firm's financial advisory capabilities to support clients in navigating market volatility and regulatory changes. Through the application of rigorous analytical methods, the Chief Financial Officer, Advisory & Manager delivers actionable insights that drive long-term value. Nee remains dedicated to maintaining the firm's high standards of professional integrity and excellence in all financial advisory activities.

    David Nordstrom - Chief Financial Officer, Advisory & Manager

    David Nordstrom, the Chief Financial Officer, Advisory & Manager at Grant Thornton, leads specialized advisory teams focused on financial transformation and performance improvement. Nordstrom architects strategies that help organizations optimize their financial reporting and operational efficiency. By managing complex advisory projects, the Chief Financial Officer, Advisory & Manager ensures that the firm delivers high-impact solutions tailored to the specific needs of each client. David Nordstrom coordinates with cross-functional teams to provide integrated tax and business consulting services, ensuring alignment with the firm's broader strategic goals. This leadership role involves driving innovation in financial advisory practices to address the challenges of a rapidly changing business environment. Through the delivery of expert guidance, the Chief Financial Officer, Advisory & Manager supports clients in achieving sustainable growth and operational success. Nordstrom remains committed to upholding the firm's reputation for professional excellence and rigorous ethical standards.

    Mac Jones - Experienced Manager, Chief Financial Officer Advisory

    Mac Jones, the Experienced Manager, Chief Financial Officer Advisory at Grant Thornton, manages the execution of financial advisory engagements for a diverse client portfolio. Jones architects detailed financial analyses that support corporate decision-making and strategic planning. By overseeing project teams, the Experienced Manager, Chief Financial Officer Advisory ensures the timely and accurate delivery of advisory services. Mac Jones collaborates with senior leadership to refine the firm's approach to financial consulting, ensuring that all work meets the highest professional standards. This leadership role involves driving client engagement and providing expert support in areas such as valuation and financial modeling. Through the application of deep technical expertise, the Experienced Manager, Chief Financial Officer Advisory helps clients navigate complex financial landscapes and achieve their business objectives. Jones remains focused on delivering high-quality results that reinforce the firm's position as a trusted advisor in the professional services market.

    Todd Patrick - Principal - Chief Financial Officer Advisory. Valuation and Modeling

    Todd Patrick, the Principal - Chief Financial Officer Advisory. Valuation and Modeling at Grant Thornton, directs the firm's specialized valuation and financial modeling practice. Patrick architects complex valuation frameworks that assist clients in mergers, acquisitions, and strategic financial planning. By overseeing the technical execution of advisory projects, the Principal - Chief Financial Officer Advisory. Valuation and Modeling ensures that all deliverables are accurate, defensible, and aligned with regulatory requirements. Todd Patrick collaborates with other advisory leaders to provide integrated financial solutions that address the unique needs of modern enterprises. This leadership role involves driving the firm's capabilities in quantitative analysis and financial modeling to support high-stakes business decisions. Through the delivery of expert insights, the Principal - Chief Financial Officer Advisory. Valuation and Modeling enhances the firm's ability to provide comprehensive advisory services. Patrick remains dedicated to maintaining the highest standards of professional excellence and technical rigor.

    Kal Mathieu - Experienced Manager - Chief Financial Officer Advisory, Asset Management

    Kal Mathieu, the Experienced Manager - Chief Financial Officer Advisory, Asset Management at Grant Thornton, leads advisory engagements specifically tailored to the asset management sector. Mathieu architects financial strategies that help asset managers optimize their operations and navigate complex regulatory environments. By overseeing project teams, the Experienced Manager - Chief Financial Officer Advisory, Asset Management ensures the delivery of high-quality consulting services that address the unique challenges of the industry. Kal Mathieu collaborates with other advisory leaders to integrate tax and business support services, providing a holistic approach to client needs. This leadership role involves driving the firm's expertise in asset management to support clients in achieving sustainable growth and operational efficiency. Through the application of deep industry knowledge, the Experienced Manager - Chief Financial Officer Advisory, Asset Management delivers actionable insights that drive value. Mathieu remains committed to upholding the firm's reputation for professional excellence and integrity.

    Edward Bambauer - Chief Operating Officer

    Edward Bambauer, the Chief Operating Officer at Grant Thornton, manages the internal infrastructure and operational workflows that support the firm's professional services. Bambauer architects scalable systems that streamline audit, tax, and advisory processes across the organization. By overseeing resource allocation and operational efficiency, the Chief Operating Officer ensures that the firm maintains its commitment to high-quality service delivery. Edward Bambauer coordinates with the executive team to implement strategic initiatives that enhance productivity and support the firm's growth objectives. This leadership role involves managing the firm's operational footprint to ensure compliance with professional standards and regulatory requirements. Through the optimization of internal business support services, the Chief Operating Officer drives operational excellence and fosters a culture of continuous improvement. Bambauer remains focused on building a robust operational foundation that enables the firm to meet the evolving needs of clients in a dynamic market.

    Carli McClure - Managing Director

    Carli McClure, the Managing Director at Grant Thornton, drives strategic initiatives within the firm's consulting and advisory divisions. McClure architects complex business solutions that address the specific operational challenges of clients across various industries. By overseeing cross-functional teams, the Managing Director ensures the seamless delivery of tax and business support services. Carli McClure focuses on expanding the firm's footprint in the North American market through targeted client engagement and service optimization. This leadership role requires constant interaction with other senior leaders to align service delivery with the firm's broader mission of professional excellence. By leveraging deep industry expertise, the Managing Director enhances client outcomes and strengthens the firm's competitive advantage. McClure maintains a sharp focus on operational efficiency, ensuring that every engagement meets the stringent quality standards expected of a premier professional services organization.

    David Sandry - Managing Director

    David Sandry, the Managing Director at Grant Thornton, leads specialized advisory engagements focused on enhancing organizational performance and financial health. Sandry architects bespoke consulting frameworks that assist clients in navigating complex regulatory environments and market shifts. By managing high-impact projects, the Managing Director ensures that the firm's advisory services provide actionable insights for business growth. David Sandry coordinates with internal teams to deliver comprehensive support in tax and business consulting, ensuring alignment with the firm's overarching professional standards. This leadership role involves driving regional market expansion and fostering long-term client relationships. Through meticulous oversight of project lifecycles, the Managing Director guarantees that all deliverables meet the high expectations of the firm's diverse client base. Sandry remains dedicated to advancing the firm's reputation for excellence by consistently delivering value-driven solutions that address the unique needs of modern enterprises.

    Brian May - Managing Director

    Brian May, the Managing Director at Grant Thornton, oversees the delivery of sophisticated business consulting and advisory services. May architects strategies that enable clients to optimize their internal processes and achieve sustainable financial performance. By directing teams focused on tax and business support, the Managing Director ensures that the firm provides holistic solutions tailored to specific industry requirements. Brian May collaborates with other senior leaders to refine the firm's service delivery model, ensuring compliance with all regulatory and ethical obligations. This leadership role involves driving growth initiatives across the firm's North American operations, focusing on market penetration and service innovation. Through the application of deep technical knowledge, the Managing Director enhances the firm's ability to solve complex business problems. May consistently delivers high-value outcomes, reinforcing the firm's commitment to professional excellence and client success in a competitive global landscape.

    Frequently Asked Questions Regarding Grant Thornton Top Executives and Leadership Team

    Who leads Grant Thornton?
    Grant Thornton is led by Ronald Almera (Chief Executive Officer & Managing Partner), along with executives such as Aisling Nee (Chief Financial Officer, Advisory & Manager) and David Nordstrom (Chief Financial Officer, Advisory & Manager).
    Who is part of Grant Thornton’s executive team?
    The executive team of Grant Thornton includes leaders such as Ronald Almera (Chief Executive Officer & Managing Partner), Aisling Nee (Chief Financial Officer, Advisory & Manager), David Nordstrom (Chief Financial Officer, Advisory & Manager) and other senior executives.
    How many executives does Grant Thornton have?
    Grant Thornton has 10 executives leading key business areas.
    What roles are included in Grant Thornton’s leadership team?
    The leadership team of Grant Thornton includes roles such as Chief Executive Officer & Managing Partner, Chief Financial Officer, Advisory & Manager, Chief Financial Officer, Advisory & Manager, Experienced Manager, Chief Financial Officer Advisory, Principal - Chief Financial Officer Advisory. Valuation and Modeling.