Megan Zietsman

Country: United States

Megan Zietsman is the Global Audit & Assurance Quality, Risk and Regulatory Leader at Deloitte Touche Tohmatsu Limited. She has over 30 years of global experience in auditing, standard-setting, standards implementation and regulatory matters.

Prior to her current role, Megan served as a board member of the Public Company Accounting Oversight Board (PCAOB), and before that, as its Chief Auditor and Director of Professional Standards. Her prior experience at Deloitte included various roles. Most recently she spent 15 years at Deloitte & Touche LLP´s National Office, during which time she held various leadership roles including membership of the global committee overseeing audit methodology, implementation guidance, and enabling technology to support the Deloitte & Touche LLP´s global audit strategy and performing auditing consultations with US-based and global engagement teams on a broad range of audit and assurance-related matters.

Megan served as a member of the International Auditing and Assurance Standards Board (IAASB) starting in 2014 and later became Deputy Chair from 2017 to 2019. She was also a member of the American Institute of Certified Public Accountants’ Auditing Standards Board from 2009 until 2013.

She is a Certified Public Accountant and a Chartered Accountant (South Africa).

Mr. Tatsumi Yamada

Country: Japan

Tatsumi Yamada has been teaching International Accounting Standards (IFRS) at Chuo University as a Specially Appointed Professor since 2015. He has been a commissioner (part-time) of Certified Public Accountants and Auditing Oversight Board (CPAAOB) in Japan since 2016. He also currently serves as outside director of Mitsubishi Chemical Holdings Corporation and as outside statutory auditor of Nomura Co., Ltd. 

Mr. Yamada was a partner of KPMG AZSA LLC from 2011 to 2018, and was active in international activities before and during his time as a partner. He was a trustee of the International Valuation Standards Council (IVSC) from 2014 to 2020, a board member of the International Accounting Standards Board (IASB) from 2001 to 2011, and a Japanese representative to the International Accounting Standards Committee (IASC) from 1996 to 2001. He gained his experience in financial accounting at a private company, Sumitomo Corporation, from 1976 to 1993. He was qualified as a Certified Public Accountant of Japan in 1980. He received his Bachelor of Commerce in 1976 from Keio University.