Makoto Samejima has served as Group Chief Financial Officer of Mizuho Financial Group, Inc. since April 2026. Prior to his current role, he was Chief Audit Executive of Mizuho Bank, Ltd. (2024-2026) and Deputy Head of the Global Corporate & Investment Banking Company (2022-2024). His other senior leadership roles include Head of the Global Corporate Coordination Department and Head of its Strategy Planning.

From 2014 to 2019, Mr. Samejima served as Co-COO of Banking Americas, where he led the acquisition of North American business from The Royal Bank of Scotland (RBS) and oversaw its seamless post-merger integration. He also served as Executive Assistant to the Group CEO from 2012 to 2014.

His earlier career was focused on M&A advisory and corporate strategy. He spent nearly a decade in M&A advisory (2002-2010), including a secondment to Evercore Partners in New York (2006-2008), where he specialized in cross-border transactions between the US and Japan.

Mr. Samejima began his career at Mizuho in 1994. He holds an LL.M. from Harvard Law School, an LL.M. from Northwestern University School of Law, and a Bachelor of Laws from The University of Tokyo.

Business Experience:

April 1991         Joined The Sumitomo Bank, Limited
April 2018         General Manager, Planning Dept., Americas Division
                           Sumitomo Mitsui Banking Corporation(SMBC)
                           and General Manager, Planning Dept., Americas Division
                           Sumitomo Mitsui Financial Group, Inc.(SMFG)
April 2019        Executive Officer and General Manager, Planning Dept., Americas Division, SMBC
                          Executive Officer and General Manager, Planning Dept., Americas Division, SMFG
October 2021  Executive Officer, Deputy Head of The Americas Division, SMBC
                          Executive Officer, Deputy Head of Americas Division, SMFG
April 2022        Managing Executive Officer, Deputy Head of The Americas Division, SMBC
                          Managing Executive Officer, Deputy Head of Americas Division, SMFG
April 2023        Managing Executive Officer,
                          Corporate Risk Management Dept., Risk Management Information Dept.,
                          Risk Management Depts., Americas Division,
                          Europe, Middle East and Africa Division, Asia Pacific Division
                          and East Asia, SMBC
                          Managing Executive Officer,
                          Corporate Risk Management Dept., Risk Management Information Dept.,
                          Risk Management Dept., Americas Division, SMFG
March 2024    Director and Managing Executive Officer,
                          Corporate Risk Management Dept., Risk Management Information Dept.,
                          Risk Management Depts., Americas Division,
                          Europe, Middle East and Africa Division, Asia Pacific Division
                          and East Asia, SMBC
                          Managing Executive Officer,
                          Corporate Risk Management Dept., Risk Management Information Dept.,
                          Risk Management Dept., Americas Division, SMFG
April 2024        Director and Senior Managing Executive Officer,
                           Corporate Risk Management Dept., Risk Management Information Dept.,
                           Risk Management Depts., Americas Division,
                           Europe, Middle East and Africa Division, Asia Pacific Division
                           and East Asia, Credit & Investment Planning Dept.,
                           Credit Depts., Americas Division, Europe, Middle East and Africa Division
                           and Asia Pacific Division, Global Credit Dept., SMBC
                           Senior Managing Executive Officer, Group CRO
                           Corporate Risk Management Dept., Risk Management Information Dept.,
                           Risk Management Dept., Americas Division,
                           Credit & Investment Planning Dept., SMFG
April 2026         Director and Senior Managing Executive Officer,
                           Corporate Risk Management Dept., Risk Management Information Dept.,
                           Risk Management Depts., Americas Division,
                           Europe, Middle East and Africa Division and Asia Pacific Division,
                           Credit & Investment Planning Dept.,
                           Credit Depts., Americas Division, Europe, Middle East and Africa Division
                           and Asia Pacific Division, Global Credit Dept., SMBC
                           Senior Managing Executive Officer, Group CRO
                           Corporate Risk Management Dept., Risk Management Information Dept.,
                           Risk Management Dept., Americas Division,
                           Credit & Investment Planning Dept., SMFG

March 1990 Graduated from the Faculty of Law, Keio University

April 1990         Joined The Chiba Bank, Ltd.

June 2015          General Manager of Hong Kong Branch, The Chiba Bank, Ltd.

June 2017          General Manager of Corporate Administration Division, The Chiba Bank, Ltd.

December 2018             General Manager of Compliance Division, The Chiba Bank, Ltd.

April 2019         General Manager of Corporate Planning Division, The Chiba Bank, Ltd.

June 2019          Executive Officer and General Manager of Corporate Planning Division, The Chiba Bank, Ltd.

October 2020   Executive Officer in charge of New Business, The Chiba Bank, Ltd.

April 2021         Corporate Planning Division and Human Resources Division, The Chiba Bank, Ltd. (Supervisor of regional trading company business)

May 2021          President and Representative Director, Chibagin Market Co., Ltd.

April 2023         Managing Executive Officer (Group Chief Risk Officer, General Manager in charge of Corporate Management), The Chiba Bank, Ltd.

June 2023          Director and Managing Executive Officer (Group Chief Risk Officer, General Manager in charge of Corporate Management), The Chiba Bank, Ltd.

October 2023   Director and Managing Executive Officer (Group Chief Risk Officer, General Manager in charge of Corporate Management), The Chiba Bank, Ltd.

April 2026         Director and Senior Executive Officer (Group Chief Risk Officer, General Manager in charge of Corporate Management), The Chiba Bank, Ltd.

Takeko Uemoto is a Senior Principal with the Actuarial Practice of Oliver Wyman and is based in New York. She has over 25 years of insurance industry experience in both Japan and US. Her areas of expertise include reinsurance strategy, Japanese insurance business, ALM, and capital framework.

Takeko joins us from Aflac, where she served as Senior Vice President and Global Reinsurance Officer of Aflac Incorporated and Chief Actuary for its Bermuda subsidiary, Aflac Re. Prior to working for Aflac, Takeko worked with Prudential, Goldman Sachs Asset Management, Ernst and Young and Great American Insurance Companies.

Relevant Experience

• Reinsurance
  • Built and managed a global and cross-functional reinsurance strategy program
  • Led a global project team to establish a reinsurance subsidiary in Bermuda
  • Oversaw valuation, morbidity risk analysis, SBA application, structuring, and pricing for Bermuda reinsurer
  • Managed reinsurance structuring analysis and US statutory valuation of the reinsured affiliated Japan business to the US
• Global capital, risk, ALM, and valuation
  • Provided an in-person ESR education session for the BMA and BILTIR
  • Launched and led global IFRS implementation program for international business
  • Led actuarial audit of US GAAP, US Statutory and IFRS for life insurers
  • Implemented economic capital, stress test, model risk, Solvency II, and IAIS ICS FT in international business
  • Led strategic asset allocation analyses project for clients in Asia and the US
  • Created ALM dashboard and surplus roll-forward analytics. Integrated risk appetite and capital management
• Modeling
  • Modeled assets, liabilities, and ALM of many insurance product lines
  • Managed MoSes actuarial software management and global Prophet implementatio

Speaking Engagements and Professional Activities

• SOA Annual Meeting – Japan’s new capital framework, reinsurance strategy – 2023, 2024
• BILTIR Annual Conference – A panelist of Bridging Markets – Life Reinsurance Opportunities and Insights from Japan – 2024
• SOA Employer’s Council Member – 2022–2025
• BILTIR Global Advocacy Committee Japan subcommittee chair – 2023–2025
• BILTIR GAC Japan subcommittee ESR education sessions for BILTIR and BMA, 2024, 2025

Alka Anbarasu is an Executive Director - Ratings in the Financial Institutions Group in Asia. Based in Singapore, Alka is responsible for Moody's analytical teams covering ratings and research on banks, insurance companies, and non-bank financial institutions in Japan, ASEAN and Indian Sub-continent. Alka also coordinates the Global Financial Institution Group's efforts on Environmental, Social and Governance (ESG) scoring and research. Alka is a regular speaker at Moody's market briefings, external conferences podcasts and broadcast media. She is very active in promoting Diversity, Equity and Inclusion (DE&I) initiatives and is a passionate impact leader for Moody's Community Impact initiatives in Asia.

Alka joined Moody's in 2013 and over the years has led the ratings of several high profile Asian financial institutions. Prior to joining Moody's, she worked in the investment banking division of J.P. Morgan in London and Mumbai and ING Vysya Bank in India. She has close to 20 years of experience in the financial industry. Alka holds an MBA from the Xavier Institute of Management in India.

Tetsuya Yamamoto is a VP-Ratings with the Financial Institutions Group of Moody’s Japan. He covers ratings across a portfolio of Japanese megabanks, major banks, regional banks, securities firms, government related financial institutions, and finance companies. 

Prior to Moody’s, Tetsuya worked as a senior portfolio manager for Tokyo Star Bank. Prior to Tokyo Star Bank, Tetsuya worked for Sumitomo Mitsui Banking Corporation (formerly Sumitomo Bank) as a senior analyst at Corporate Research Department in Tokyo and Hong Kong, covering a wide range of sectors including food & beverage, retail & wholesale, telecommunications, steel, chemical and financial institutions. 

Tetsuya holds a bachelor’s degree in economics from Kyoto University.

Tomoya Suzuki is a VP - Ratings with the Financial Institutions Group.

Based in Tokyo, he covers a portfolio of Japanese issuers comprising megabanks, major banks, securities firms, finance companies, and life insurers. Prior to this, he covered Japanese property and casualty insurers.

Before joining Moody’s Ratings, Tomoya worked in credit risk management at Credit Suisse in Tokyo, and in credit investment at a Japanese bank.

Tomoya holds a Bachelor of Arts in Finance and International Business from the University of South Carolina.

Kensuke Ogawa is an AVP - Ratings with the Financial Institutions Group at Moody’s Ratings. Based in Tokyo, he covers a portfolio of major Japanese banks and insurers.

Kensuke first worked for Moody’s in January 2020 as an Associate Analyst, joining the company after working for a Japanese life insurer in Tokyo and London, and a foreign asset management company as a credit analyst. He left Moody’s for a Japanese asset manager in 2021, and rejoined Moody’s in 2023.

Kensuke holds a Master of Business Administration from Hitotsubashi University and a Bachelor of Engineering from Osaka University. He is a CFA Charterholder.

Eiji is a  Vice President - Ratings, responsible for rating Japanese banks and insurance companies at Moody's Japan K.K. He rejoined Moody's in June 2026.

Prior to rejoining Moody's, Eiji worked at Mitsubishi UFJ Morgan Stanley Securities, providing rating and financial strategy advice, and at S&P Global Ratings, where he served as a Director, engaging in credit analysis for financial institutions. Prior to that, He worked at Moody's and audit firms, handling credit analysis and auditing for financial institutions.

Eiji holds a bachelor's degree from the Faculty of Economics at Keio University and is a CFA charterholder.

Stefan Angrick is the Head of Japan and Frontier Market Economics at Moody's in Tokyo. He holds a master's degree from Leipzig University and a PhD from the National Graduate Institute for Policy Studies in Tokyo. He has previously held positions with Oxford Economics, the Asian Development Bank Institute, the Bank of Finland, and Keio University.