Mr. Sekiguchi became a public member of the International Auditing and Assurance Standards Board in 2009, having served as a Consultative Advisory Group member since 2005 representing the International Organization of Securities Commissions (IOSCO). He was nominated by the Japanese Institute of Certified Public Accountants.
Mr. Sekiguchi works for the Financial Accounting Standards Foundation/Accounting Standards Board of Japan, where he is engaged in developments of accounting standards and other financial reporting activities.
While working at the Financial Services Agency of Japan (JFSA) as the deputy chief accountant from 2004 to 2009, he was involved in a number of international regulatory agendas with regards to auditing and other financial reporting areas. He also served as an observer to the International Ethics Standards Board for Accountants representing the JFSA in 2007 and 2008.