Mark Koziel

Mark Koziel, CPA, CGMA, is the President and CEO of the American Institute of CPAs, and CEO of the Association of International Certified Professional Accountants, the most influential body of professional accountants in the world with 600,000 members, candidates, and registrants. Formed in 2017, the Association combines the strengths of The Chartered Institute of Management Accountants (CIMA) and the AICPA.

Koziel was named to this role by the Association’s Board of Directors in October 2024 and began his tenure on January 1, 2025. He brings a wealth of leadership experience, having served the profession for decades. Most recently, he was President and CEO of Allinial Global, an association of independent accounting and advisory firms with 268 member firms worldwide. He began that role in 2020 after 14 years with the Association (previously AICPA), where he served in a number of roles, including executive vice president, Firm Services.

Koziel began working in the profession at a large accounting firm, Lumsden McCormick, based in Buffalo, New York. Throughout his career he has been a consistent advocate for accountants, developing a strong global understanding of the accounting and finance profession.

He is known for his commitment to key values, such as strategic growth, teamwork, innovation, and excellence, and has been recognized with many notable awards. He regularly appears on Accounting Today’s Top 100 Most Influential People in Accounting and in 2017, Koziel received the Dr. Joseph R. Coppola ’40 Outstanding Alumnus Award from Canisius University’s Accounting Department. Among his many accolades, Koziel was also named to CPA Practice Advisor’s Top Thought Leaders in Public Accounting and the International Accounting Bulletin and The Accountant’s list of the Global Accounting Power 50.

Originally from Buffalo, NY, Koziel graduated from Canisius University in 1991 with a BS, accounting degree. He now resides in North Carolina with his family.