Rahul Ghosh is Managing Director and Global Head of Sustainable Finance & Emerging Markets at Moody's Ratings. In this role, Rahul is responsible for Moody's Ratings' strategy to systematically integrate material sustainability and climate considerations into credit ratings. He also leads analytical teams that produce assessments on the credentials of sustainable debt (Second Party Opinions) and the strength of companies' carbon transition plans (Net Zero Assessments), as well as the credit rating agency’s thought leadership and market engagement on global emerging market credit.

Rahul regularly takes part in high-profile industry working groups, market briefings, external conferences and media engagements. He represents Moody's as a member of the Taskforce on Nature-related Financial Disclosures and the Transition Finance Council. He also represents Moody's on the Principles for Responsible Investment's advisory committee on credit ratings and the International Capital Market Association's Green and Social Bond Principles advisory council. He has presented on the impact of climate change on global credit markets at the 2025 and 2021 United Nations Climate Change Conferences in Belém (COP30) and Glasgow (COP26), and on sustainable finance trends at the International Finance Corporation's Global Debt Mobilization Conference.

Before his current position, Rahul previously worked in Moody's Credit Strategy & Research team where he was responsible for regional credit oversight and though leadership. Prior to joining Moody's in 2013, Rahul was the Head of Asia at BMI Research (Fitch Solutions) in Singapore, leading a team of macroeconomists and industry specialists in analysing sovereign risk, sector performance and capital markets.

Rahul is the executive sponsor of Moody's UK Multicultural Business Resource Group. He holds a master's degree in economics from the University of Edinburgh and a Certificate in ESG Investing from the CFA Society of the UK.

Mariko Semetko is an Executive Director for the Corporate Finance Group (CFG) for Moody’s Ratings. Based in Tokyo, she leads a team of analysts covering Japanese nonfinancial corporates and public infrastructure finance, and oversees the public sectors.

Prior to becoming a manager, Mariko was a lead analyst for a variety of corporates and utilities in Japan and the US. She has extensive experience both in the investment-grade and high-yield spaces. Mariko transferred to the Tokyo office in 2013 after working in the New York office since joining the company in 2006.

Maisam Hasnain is a Senior Vice President and Regional Head of Assessments for Asia Pacific in Moody’s Sustainable Finance Group.

Based in Singapore, Maisam leads analytical teams across Hong Kong SAR, China; Singapore and Tokyo responsible for producing Second Party Opinions (SPOs) and Net Zero Assessments (NZAs). SPOs provide an opinion on the overall sustainability quality of financial instruments or financing frameworks, while NZAs offer an independent and comparable view of the strength of an entity’s carbon emissions reduction plans relative to a global net-zero pathway.

Prior to his current role, Maisam was Vice President and Senior Credit Officer in Moody’s Corporate Finance Group in Singapore, where he served as lead rating analyst for companies across a broad array of sectors in South and Southeast Asia. He also played a key role in supporting the integration of ESG considerations into Moody's credit ratings and research for nonfinancial corporates.

Before relocating to Singapore in 2017, Maisam spent seven years in Moody's Hong Kong office, including four years as a Rating Associate covering corporate issuers across APAC.

He joined Moody's in 2010 as part of the Regional Product Strategy team, supporting the firm’s research and data businesses as well as new business initiatives.

Maisam holds a double major in Economics and Finance and a minor in Arabic from The University of Hong Kong.  He is also a CFA charterholder.

Roman Schorr is a Vice President in Moody’s Corporate Finance Group. Based in Tokyo, Roman is responsible for a diverse portfolio of major Japanese corporates in the diversified manufacturing, technology, shipping, oil and gas and steel sectors.

Prior to joining Moody’s, Roman was a Director at Fitch Ratings in Tokyo, covering Japanese corporate credits, following his transfer from Fitch’s Frankfurt office. Previously, he was in corporate credit with Mizuho Bank in Dusseldorf.

Roman holds Masters degrees in Japanese Studies and Business Studies from the University of Duisburg-Essen, and in English Philology, Linguistics and Literature from Freie Universitaet Berlin. A native German speaker, Roman is fluent in English and Japanese.

Natasha is an Associate Lead Analyst with Moody’s Sustainable Finance team, based in Tokyo. She leads second party opinions and net zero assessments, with a particular focus on the Japanese and Indonesian markets. Natasha has delivered over 20 second party opinions for issuers across multiple sectors, including financial institutions and sub-sovereigns.

Prior to joining Moody’s, Natasha was a Senior Consultant at ERM, advising Japanese clients on their sustainability strategy and climate-related risks and disclosures across diversified manufacturing, general trading, finance, and oil and gas sectors. In addition to her advisory work, she engaged in environmental and social due diligence for big tech’s data centers. She also previously worked at the global non-profit organization CDP as part of the internal Climate Change scoring team.

Natasha holds a Master of Public Policy from the University of Tokyo and a Bachelor’s degree in Environment and Development from Ritsumeikan APU.

Naoki Shimizu is an Associate Managing Director – Head of Relationship Management, Commercial Group (Japan). In this role, he leads business development and manages issuer client as well as intermediary relationships in Japan. As Japan Country Manager, he manages the operating environment for the Moody’s Japan business and maintains senior relationships with key internal and external stakeholders.

Naoki joined Moody’s in 2012 initially with the Moody’s Analytics sales team in Tokyo before moving to assume his current position in 2018 at Moody’s Investors Service - Commercial Group. He has been a member of the APAC Diversity Council since 2022 and is passionate about building an inclusive workplace.

Prior to joining Moody’s, Naoki worked at Citi for 12 years, primarily as a structured finance arranger both in New York and Tokyo. He started his career at a Japanese government aid financial institution to support the economic and social development of emerging market countries.

Naoki holds a bachelor’s degree in agricultural engineering from University of Tokyo and a master-of-arts degree in international economics from Paul H. Nitze School of Advanced International Studies (SAIS) at Johns Hopkins University.