Matthew J. DiDonato is a distinguished C-suite executive, attorney, CPA, and trusted board advisor with more than three decades of experience guiding complex organizations through growth, transformation, governance challenges, and strategic decision-making. Throughout his career, Matthew has established himself as a forward-thinking leader whose judgment, integrity, and ability to simplify complexity have made him a valued partner to executive leadership teams, corporate boards, and global business stakeholders. His professional path reflects a deep commitment to excellence, a passion for strategic problem-solving, and a career-long drive to create environments where people and organizations can thrive.

From the earliest stages of his career, Matthew demonstrated a unique blend of legal, financial, and operational acumen. Beginning in the multistate tax practice at Deloitte, he advised Fortune 500 clients on sophisticated tax matters, corporate restructurings, and state-level controversies. His aptitude for understanding both the strategic and operational implications of tax law positioned him quickly as a rising expert capable of counseling executives during high-stakes transactions and organizational change. His ability to translate technical regulations into clear, actionable strategies laid the foundation for a career defined by clarity, precision, and leadership.

Matthew’s transition into Goldman Sachs’ Tax Department marked a pivotal period where he expanded his influence within financial services and deepened his expertise across banking, insurance, trading, and emerging business platforms. As Vice President and Tax Counsel, he collaborated directly with the Investment Bank’s M&A Advisory team, advising on the tax implications of new products, acquisitions, and evolving regulatory frameworks. His work shaped decision-making during a period of rapid industry innovation, demonstrating his capacity to anticipate market shifts and align complex risk assessments with long-term business goals. His counsel was sought not only for technical mastery but also for his ability to instinctively see around corners.

His tenure at Mayer Brown and later Ernst & Young broadened his role as a strategist and thought leader. He advised multinational corporations on multistate income and sales tax issues, guided clients through federal and state controversies, and contributed to influential client alerts, articles, and public commentary. Matthew was frequently quoted in high-profile publications, including The Wall Street Journal, underscoring his prominence in the field and his ability to articulate emerging issues with clarity and authority. His reputation for insight, coupled with his collaborative leadership style, made him an influential voice in tax policy, governance, and advisory circles.

In 2013, Matthew joined Grant Thornton, embarking on one of the most defining chapters of his career. Rising through successive leadership roles, he ultimately became the Office Managing Partner for Metro New York, overseeing business development, operational strategy, and marketplace engagement for one of the firm’s most significant regions. Under his leadership, the Metro New York practice experienced transformative growth, leading the firm’s growth percentage for five consecutive years and expanding its presence across twelve key industries. He led more than 125 senior leaders and over 700 professionals, fostering a culture rooted in accountability, strategic focus, and collaborative excellence. His leadership was marked by a keen ability to unify diverse teams around shared goals while maintaining a relentless focus on client experience and long-term value creation.

Simultaneously, Matthew served as the Northeast SALT Leader, guiding teams of partners and professionals in advising clients across industries including financial services, life sciences, retail, technology, insurance, and telecommunications. He played a direct role in shaping multistate tax strategies, navigating regulatory change, resolving complex disputes, and supporting organizations in moments requiring both technical depth and strategic sensitivity. His counsel helped companies address evolving nexus standards, major statutory reforms, and high-stakes enforcement environments. Clients and colleagues consistently describe him as calm under pressure, intellectually rigorous, and exceptionally effective in boardroom settings where clarity and confidence are paramount.

Matthew’s leadership extends beyond professional services into higher education and nonprofit governance. From 2019 to 2025, he served on the Board of Advisors for St. John’s University’s Peter J. Tobin College of Business. In this role, he supported the Dean and senior academic leadership on global initiatives, strategic planning, and student engagement programs. His presence strengthened the College’s connection to the accounting, consulting, and broader business community, while reinforcing his belief in mentorship, education, and the importance of developing future leaders. His service exemplifies his commitment to giving back and his understanding of how governance, mission, and strategy intersect to influence institutional success.

Throughout his career, Matthew has been sought after as a speaker, educator, and thought leader. He has led presentations for the Council on State Taxation, the Tax Executives Institute, the Business Council of New York State, and international forums including Nikkei’s ESG conference broadcast across Japan. His ability to translate complex regulatory changes, emerging risks, and strategic considerations into meaningful insights has made him a trusted advisor across executive teams and a respected figure within the professional community. He is known for his clarity, storytelling, and ability to create alignment in rooms of diverse stakeholders.

Matthew’s professional story is also a testament to his values: integrity, humility, intellectual curiosity, and a deep appreciation for the people behind every organization he serves. He is recognized for fostering inclusive leadership cultures, championing diverse talent, and cultivating strong relationships grounded in trust. He approaches every challenge with practical optimism, balancing ambition with realism and strategy with empathy. As he transitions into the next chapter of his career, Matthew remains driven by a desire to contribute meaningfully at the board level, leveraging decades of leadership experience to help organizations navigate growth, risk, governance, and transformation.

Character:
Matthew conducts himself with integrity, humility, and a strong sense of responsibility that guides every aspect of his leadership. He consistently demonstrates ethical judgment in complex environments, earning the trust of colleagues, clients, and institutional partners. His commitment to mentorship and excellence reflects his belief in supporting others and elevating organizational culture.

Knowledge:
He brings exceptional multidisciplinary expertise, spanning tax strategy, governance, financial services, enterprise risk management, and organizational leadership. He applies deep industry knowledge with precision and clarity, enabling leaders to make informed and forward-looking decisions. His lifelong dedication to learning ensures he remains ahead of emerging trends and regulatory developments.

Strategic:
Matthew approaches challenges with vision, analytical rigor, and a talent for connecting operational detail with long-term strategic imperatives. He excels at driving growth, shaping market strategy, and aligning teams around shared objectives. His ability to anticipate risks and opportunities enables him to contribute meaningfully to boardroom discussions and enterprise transformation.

Communication:
Communicating complex concepts with remarkable clarity, making him a highly effective advisor to executives and boards. He adapts his messaging to diverse audiences, ensuring understanding while facilitating thoughtful decision-making. His communication style promotes transparency, collaboration, and alignment across all levels of leadership.