Through EY’s integrated capabilities and innovative thinking, we are helping Houston’s business community navigate change, unlock opportunity, and build long term value for all stakeholders.

David L. Zaozirny

Houston Office Managing Partner, Ernst & Young LLP

Seasoned market leader. Trusted advisor in complex financial reporting and transformation. Builder of confidence through sound judgment and transparency. Advocate for forward-focused growth.

As the Houston Office Managing Partner at Ernst & Young LLP, David leads nearly 1,800 professionals and is responsible for expanding the firm’s market presence, strengthening client relationships, and advancing community engagement across the region. In this role, he focuses on fostering collaboration across service lines while supporting clients as they navigate complexity, transformation and growth.

David brings more than 30 years of experience advising organizations across the energy, oil and gas, chemicals, mining and metals, manufacturing, and technology sectors. As a partner in Financial Accounting Advisory Services and the US FAAS Energy Sector Leader, he has supported public and private companies on complex accounting and regulatory matters related to mergers and acquisitions, capital markets transactions, divestitures and finance transformation. Earlier in his career, David served as an audit partner — experience that continues to inform his emphasis on quality, governance and professional judgment.

How David is shaping the future with confidence

David is focused on helping clients, people and the broader community move forward with confidence amid rapid change. Drawing on deep experience at the intersection of finance, regulation and large-scale transformation, he supports organizations in navigating complexity responsibly, strengthening transparency, governance and trust in the markets. For the past 15 years, David has led cross-functional teams spanning Assurance, Tax, EY-Parthenon and Consulting to deliver integrated, high-impact outcomes for clients.

He is equally committed to shaping the future of the EY workforce, championing continuous learning, upskilling and inclusive leadership to ensure teams are prepared for what’s next. Under his leadership, the Houston office continues to advance EY’s purpose of building a better working world, supporting sustainable growth, fostering collaboration and engaging meaningfully with the community. David believes effective value creation requires balancing innovation with sound judgment, empowering people and considering broader impacts on society and the planet.

David's latest thinking

Contact David