BDO USA Executive and Leadership Team

October, 2026

Leadership Overview

BDO USA has 10 executives leading key functions including public sector strategy, financial management, operational oversight, and administrative coordination.

Committed to delivering professional excellence, BDO USA provides comprehensive assurance, tax advice, and strategic consulting services to help middle market organizations navigate complex financial landscapes and achieve sustainable growth.

Leadership Roles at BDO USA

  • President & Chief Executive Officer, BDO Public Sector - Frank Landefeld
  • Chief Financial Officer - Roland Reimink
  • Chief Operating Officer - Mark Ellenbogen
  • Chief of Staff - Matthew Uchno
  • Managing Director - Kenneth Frantz
  • Managing Director - Ellen Pastizzo
  • Managing Director - Chip Cohron
  • Managing Director - Timothy Kadylak
  • Managing Director - Eric Chuang
  • Managing Director - Stephen Orosz
  • Frank Landefeld - President & Chief Executive Officer, BDO Public Sector

    Frank Landefeld, the President & Chief Executive Officer, BDO Public Sector at BDO USA, directs all strategic initiatives for government-facing engagements. Overseeing the delivery of assurance and consulting services to public entities, the President & Chief Executive Officer, BDO Public Sector ensures compliance with federal regulations while driving operational efficiency across the organization. This leadership role involves managing complex stakeholder relationships and aligning service delivery with the evolving needs of the public sector. By leveraging deep industry expertise, Frank Landefeld optimizes service models to support government agencies in navigating financial complexities. Landefeld maintains a focus on sustainable growth and risk mitigation, ensuring that the firm remains a trusted partner for public sector clients. Through rigorous oversight of service quality, the President & Chief Executive Officer, BDO Public Sector secures long-term value for all government-related accounts.
    Frank Landefeld

    Roland Reimink - Chief Financial Officer

    Roland Reimink, the Chief Financial Officer at BDO USA, directs the financial strategy and fiscal operations of the firm. Overseeing the management of capital resources, the Chief Financial Officer ensures that the organization maintains a strong financial position to support its service delivery goals. This leadership role involves monitoring financial performance, managing budgets, and ensuring compliance with internal and external reporting standards. By focusing on fiscal discipline, Roland Reimink enables the firm to invest in sustainable growth and operational development. Reimink collaborates with the executive team to align financial objectives with the broader mission of providing professional assistance to businesses globally. Through the application of rigorous financial oversight, the Chief Financial Officer supports the firm in navigating economic complexities. Reimink maintains a commitment to transparency and accuracy, ensuring that all financial activities contribute to the long-term stability of the organization.

    Mark Ellenbogen - Chief Operating Officer

    Mark Ellenbogen, the Chief Operating Officer at BDO USA, directs the internal operations and service delivery infrastructure of the firm. Overseeing the efficiency of business processes, the Chief Operating Officer ensures that all departments function in alignment with the firm's strategic goals. This leadership role involves managing operational workflows, optimizing resource allocation, and implementing technology-driven solutions to enhance productivity. By focusing on operational excellence, Mark Ellenbogen enables the firm to deliver high-quality assurance and consulting services to middle market organizations. Ellenbogen collaborates with other C-suite leaders to drive organizational development and support sustainable cross-border expansion. Through a commitment to process improvement, the Chief Operating Officer ensures that the firm remains agile and responsive to market demands. Mark Ellenbogen maintains a focus on operational resilience, ensuring that the firm consistently meets the needs of its public and private enterprise clients.

    Matthew Uchno - Chief of Staff

    Matthew Uchno, the Chief of Staff at BDO USA, coordinates the strategic initiatives and administrative functions of the executive office. Overseeing the alignment of leadership priorities, the Chief of Staff ensures that the firm's mission is effectively communicated and executed across all departments. This role involves managing complex projects, facilitating communication between C-suite leaders, and supporting the implementation of organizational policies. By focusing on operational efficiency, Matthew Uchno enables the executive team to concentrate on high-level strategy and business development. Uchno collaborates with various stakeholders to ensure that the firm's professional assistance services remain focused on the needs of middle market organizations. Through a commitment to organizational excellence, the Chief of Staff supports the firm in navigating financial complexities and achieving its long-term objectives. Matthew Uchno maintains a focus on administrative precision, ensuring that the firm's leadership remains cohesive and effective.

    Kenneth Frantz - Managing Director

    Kenneth Frantz, the Managing Director at BDO USA, architects high-level advisory frameworks for middle market enterprises. Overseeing the implementation of tax and assurance strategies, the Managing Director drives client success through meticulous financial planning and risk mitigation. This role involves coordinating with cross-functional teams to deliver tailored consulting solutions that address specific industry challenges. By focusing on operational development, Kenneth Frantz ensures that clients maintain competitive advantages in their respective markets. Frantz monitors market trends to refine service offerings, providing actionable insights that facilitate sustainable economic expansion. Through the application of rigorous analytical standards, the Managing Director supports the firm in maintaining its reputation for professional excellence. Frantz consistently aligns service delivery with the broader mission of providing comprehensive financial guidance to public and private enterprises.

    Ellen Pastizzo - Managing Director

    Ellen Pastizzo, the Managing Director at BDO USA, manages strategic consulting engagements focused on digital risk mitigation and corporate compliance. Overseeing the integration of technology-driven solutions, the Managing Director ensures that clients effectively navigate the complexities of modern financial environments. This leadership position involves collaborating with internal experts to develop robust risk management protocols that protect enterprise assets. By prioritizing digital transformation, Ellen Pastizzo enables organizations to streamline operations and improve overall performance. Pastizzo directs the execution of complex projects, ensuring that all deliverables meet the highest standards of quality and regulatory compliance. Through a commitment to innovation, the Managing Director supports the firm in delivering value-added services that address the unique needs of middle market clients. Pastizzo maintains a focus on long-term stability and operational resilience for all managed accounts.

    Chip Cohron - Managing Director

    Chip Cohron, the Managing Director at BDO USA, oversees the delivery of specialized assurance services for diverse industry sectors. Directing the efforts of audit teams, the Managing Director ensures that financial reporting remains accurate and compliant with global standards. This role involves managing client relationships and providing strategic guidance on complex accounting matters that impact business growth. By focusing on transparency and accountability, Chip Cohron helps enterprises build trust with stakeholders and investors. Cohron coordinates with other leadership members to align service offerings with the firm's overarching goals of professional excellence. Through the application of deep industry knowledge, the Managing Director supports clients in navigating financial complexities and achieving operational success. Chip Cohron drives the development of efficient audit processes that enhance the overall value provided to the firm's extensive client base.

    Timothy Kadylak - Managing Director

    Timothy Kadylak, the Managing Director at BDO USA, leads initiatives focused on corporate tax strategy and financial optimization. Overseeing the development of tax planning frameworks, the Managing Director ensures that clients maximize efficiency while maintaining strict adherence to regulatory requirements. This leadership role involves analyzing complex financial data to provide actionable insights that support business development. By focusing on cross-border economic expansion, Timothy Kadylak assists enterprises in navigating the intricacies of international tax landscapes. Kadylak collaborates with internal teams to deliver comprehensive solutions that address the specific needs of middle market organizations. Through a commitment to precision and strategic foresight, the Managing Director supports the firm in maintaining its position as a leader in professional services. Timothy Kadylak ensures that all tax-related engagements contribute to the long-term financial health and sustainability of the firm's clients.

    Eric Chuang - Managing Director

    Eric Chuang, the Managing Director at BDO USA, directs strategic consulting operations aimed at enhancing organizational performance. Overseeing the implementation of business development strategies, the Managing Director ensures that clients achieve sustainable growth through improved operational processes. This role involves identifying market opportunities and providing expert guidance on financial management and risk mitigation. By leveraging industry expertise, Eric Chuang helps enterprises navigate the complexities of the modern business environment. Chuang coordinates with cross-functional teams to deliver integrated solutions that address the unique challenges faced by middle market organizations. Through a focus on efficiency and innovation, the Managing Director supports the firm in providing high-quality professional assistance. Eric Chuang maintains a commitment to excellence, ensuring that all consulting engagements drive measurable value and long-term success for the firm's diverse client portfolio.

    Stephen Orosz - Managing Director

    Stephen Orosz, the Managing Director at BDO USA, manages the delivery of strategic advisory services for complex financial transactions. Overseeing the execution of consulting projects, the Managing Director ensures that clients receive expert guidance on mergers, acquisitions, and capital structure optimization. This leadership role involves analyzing market dynamics to provide insights that support informed decision-making. By focusing on financial health and operational development, Stephen Orosz helps enterprises navigate the complexities of the global marketplace. Orosz collaborates with other senior leaders to align service delivery with the firm's mission of providing comprehensive professional assistance. Through a commitment to rigorous analysis and strategic planning, the Managing Director supports the firm in maintaining its reputation for excellence. Stephen Orosz drives the development of innovative solutions that address the evolving needs of middle market organizations and public enterprises.

    Frequently Asked Questions Regarding BDO USA Top Executives and Leadership Team

    Who leads BDO USA?
    BDO USA is led by Frank Landefeld (President & Chief Executive Officer, BDO Public Sector), along with executives such as Roland Reimink (Chief Financial Officer) and Mark Ellenbogen (Chief Operating Officer).
    Who is part of BDO USA’s executive team?
    The executive team of BDO USA includes leaders such as Frank Landefeld (President & Chief Executive Officer, BDO Public Sector), Roland Reimink (Chief Financial Officer), Mark Ellenbogen (Chief Operating Officer) and other senior executives.
    How many executives does BDO USA have?
    BDO USA has 10 executives leading key business areas.
    What roles are included in BDO USA’s leadership team?
    The leadership team of BDO USA includes roles such as President & Chief Executive Officer, BDO Public Sector, Chief Financial Officer, Chief Operating Officer, Chief of Staff, Managing Director.