Chairman David L. Landsittel, CPA

• David L. Landsittel was elected Chairman of COSO on June 1, 2009. He is currently a consultant to accounting firms and others on auditing, financial reporting, corporate governance, and quality control matters. Landsittel also serves on the board of directors and chair of the audit committees for Molex Incorporated and Burnham Investors Trust for the Burnham Family of Funds. Moreover, he is an Executive-In-Residence at DePaul University in Chicago. He began his career and spent 34 years with Arthur Andersen & Co. Landsittel was previously chair of the Illinois CPA Society and more recently chair of CPA Endowment Fund of Illinois – a not-for-profit group that provides scholarships and encourages qualified students to pursue careers in public accounting. He holds an MBA from the University of Chicago Graduate School of Business and an undergraduate degree from DePauw University.

Chairman Emeritus Larry Rittenberg, Ph.D., CIA

Larry E. Rittenberg became Chair Emeritus after serving as COSO Chairman from 2005 to 2009. Previous to that, he served as the American Accounting Association's representative to COSO.  Professor Rittenberg is the Ernst & Young Professor of Accounting at the University of Wisconsin-Madison where he teaches courses on auditing, enterprise risk management, and corporate governance.  He has served on the Executive Committees of both the American Accounting Association and The Institute of Internal Auditors.  He has written over 50 articles, books, and research monographs in areas of auditing, governance, risk, and control.  He has been a frequent and willing speaker on behalf of COSO discussing internal control and enterprise risk management.

Mark Beasley, Ph.D., CPA

Mark S. Beasley represents the AAA on the COSO Board and is the Deloitte Professor of Enterprise Risk Management and Professor of Accounting in the College of Management at North Carolina State University.  Mark’s research focuses on issues related to corporate governance, risk, and controls.  He has is a past President of the American Accounting Association’s Auditing Section and has served on several national task forces and working groups, including the Auditing Standards Board SAS No. 99 Fraud Task Force and the advisory board for The Conference Board’s research about board of director responsibility for ERM.  

The American Accounting Association (the AAA) promotes worldwide excellence in accounting education, research, and practice.  Founded in 1916, the AAA is a voluntary organization of persons interested in accounting education and research.  The mission of the AAA is to foster worldwide excellence in the creation, dissemination, and application of accounting knowledge and skills.  Membership currently exceeds 8,000 academics and practitioners from around the world. 

Charles Landes, CPA

Charles E. Landes (Chuck) is Vice President Professional Standards and Services Group for the AICPA. In this capacity, Chuck directs the technical activities of the AICPA’s Audit and Attest Standards Team, which is responsible for the technical activities of the Auditing Standards Board (ASB) and the Accounting and Review Services Committee (ARSC).  He is also responsible for overseeing the activities of the AICPA’s Accounting Standards team and Hotline team. Prior to joining the AICPA in October 2000, Chuck served as partner in charge of the accounting and auditing practice of Barnes, Dennig & Co. a large local firm located in Cincinnati, Ohio. He began his public accounting experience with Ernst & Whinney (now known as Ernst & Young) and was also a member of KMG Main Hurdman.  

The American Institute of Certified Public Accountants (AICPA) is the national professional organization for all Certified Public Accountants. Its mission is to provide members with the resources, information, and leadership that enable them to provide valuable services in the highest professional manner to benefit the public as well as employers and clients

Marie N. Hollein CTP(CD)

Jeff Thomson

Jeffrey Thomson is the president and CEO at the Institute of Management Accountants. Prior to his IMA assignment, Thomson worked at AT&T and last served as CFO of a multi-billion dollar unit.  Thomson has written numerous articles and spoken globally on financial leadership, enterprise risk management, internal controls, business performance management and strategic planning. He has also provided testimony to the U.S. Congress on Sarbanes-Oxley implementation issues impacting U.S. competitiveness.  Thomson is considered a global thought leader in the emerging area of Governance, Risk and Compliance. 

With a worldwide network of more than 60,000 professionals, the Institute of Management Accountants (IMA) is the world’s leading organization dedicated to empowering accounting and finance professionals to drive business performance.  IMA provides a dynamic forum for professionals to advance their careers through Certified Management Accountant (CMA®) certification, research, professional education, networking and advocacy of the highest ethical and professional standards.  For more information about IMA, please visit www.imanet.org.

Richard F. Chambers, CIA, CCSA, CGAP

Richard Chambers is president and CEO of The Institute of Internal Auditors (IIA). He took the helm of The IIA in January 2009 and brings more than 30 years of internal audit, accounting, and financial management leadership to this position. His career history includes work in both the private and public sector, including a position with the U.S. Government Accountability Office and chief audit executive (CAE) positions at three of the U.S. Government’s largest organizations. Following his government career, Chambers worked with The IIA as vice president of The Learning Center and executive director of The IIA Research Foundation (IIARF). In 2004, Chambers joined PricewaterhouseCoopers, where he most recently served as national practice leader in Internal Audit Advisory Services.

Established in 1941, The Institute of Internal Auditors (IIA) is an international professional association with global headquarters in Altamonte Springs, Fla., USA, with members in 165 countries. The IIA is the internal audit profession's global voice, recognized authority, acknowledged leader, chief advocate, and principal educator. Members work in internal auditing, risk management, governance, internal control, information technology audit, education, and security.