Atsi Sheth is Chief Credit Officer and Head of Credit Strategy & Standards at Moody's Ratings.

Prior to her appointment in 2024, she held several leadership roles at Moody's, including Managing Director and Global Head of Credit Strategy and Research from 2021 to 2024.

She also served as Managing Director, Chief Credit Officer for the Americas from 2018 to 2021, and Managing Director, Sovereign Risk Group from 2016 to 2018.

Atsi is a long-time champion of Moody's Community Impact and Inclusion initiatives. She serves on the Board of Moody's Foundation and was the Executive Sponsor of the Pan Asian Impact Business Resource Group.

Earlier in her career, Atsi was the Chief Economist at Reliance Capital and taught courses on International Political Economy and Emerging Markets at Columbia University and Northwestern University.

Atsi has a PhD from Northwestern University and a B.A. from Bombay University.

Ariane leads a team of New York-based analysts covering a portfolio of sovereign and Multilateral Development Bank (MDB) credits across the Americas. She is tasked with delivering on timely and accurate ratings, impactful content, and high-quality stakeholder engagement, as well as Moody’s digital strategy and incremental growth areas.

Before leading the Americas’ Sovereign Risk Group team, Ariane was part of the Credit Strategy and Guidance team, where she led cross-sector analytic initiatives, research and outreach covering Latin America. She chaired the Latin America Credit Council and ensured global analytical consistency, fostering collaboration across analytical teams.

From 2021 to 2023, Ariane was part of the Global Emerging Markets team, responsible for generating house views and research, and hosted Moody’s Emerging Markets Decoded podcast.

Prior to that, Ariane spent a decade as a sovereign analyst, managing a portfolio of sovereigns and multilateral development banks in Latin America and the Caribbean, including Mexico, Chile and the International Finance Corporation, leading the internal rating committee discussions for her portfolio of credits, country and region-specific publications, and meetings with government officials.

Before joining Moody’s in 2011, Ariane was a research analyst at the Initiative for Policy Dialogue at Columbia University, prior to which she was a corporate credit analyst in Citi-Banamex in Mexico.

Ariane graduated with Honors in Economics from the Instituto Tecnológico y de Estudios Superiores de Monterrey (ITESM) and has a Master’s degree in Public Administration from the School of International and Public Affairs (SIPA) at Columbia University.

Rahul Ghosh is Managing Director – Global Head of Sustainable Finance for Moody's Ratings.

Rahul leads global oversight for the credit rating agency’s environmental, social and governance (ESG) research and outreach strategy. In this capacity, he is responsible for co-ordinating high quality and impactful research exploring the credit implications of ESG, as well as digital and in-person outreach to meet the growing market needs of investors, issuers and other important stakeholders.

Rahul is a regular participant at high-profile industry working groups, market briefings, external conferences and media engagements. He is a member of the Taskforce on Nature-related Financial Disclosures, a market-led initiative to develop a risk management and disclosure framework for nature-related risks. He has also represented Moody’s on the UN Principles for Responsible Investment's advisory committee on credit ratings and the Green and Social Bond Principles working groups. He has presented on the impact of climate change on emerging market sovereigns at the G20 Green Finance Study Group and on sustainable finance trends at the International Finance Corporation’s Global Debt Mobilization Conference.

Before his current role, Rahul oversaw Moody’s ESG Solutions Group outreach and engagement activities globally with the sustainability stakeholder community. He also previously worked in Moody’s Credit Strategy & Research team where he was responsible for thematic research and outreach on global emerging market (EM) credit trends. 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 the capital markets.

Rahul is a passionate impact leader for Moody’s corporate social responsibility (CSR) initiatives in London, chairing the pillar on “activating an environmentally sustainable future”. He holds a Masters degree in Economics from the University of Edinburgh and a Certificate in ESG Investing from the CFA Society of the UK.

Laura Acres is Managing Director for the Corporate Finance Group for Asia. Based in Singapore, she has overall responsibility for Moody’s corporate ratings and research for the region, managing teams in Sydney, Singapore, Hong Kong, Beijing, Shanghai and Tokyo. Laura also spearheads our global Emerging Markets initiative, leading many of our aggregated research based publications in this space and helping to coordinate Moody’s approach to this large and growing area of focus. Laura joined the company in 2006 taking a number of Lead Analyst roles for a variety of corporates around the region; she also created Moody’s aggregated high-yield research and outreach initiatives for the Asia Pacific region. She was appointed Managing Director in 2015 and led the Singapore based South & South East Asia corporate rating teams and was then appointed to her current role in 2020. Before joining Moody’s, Laura worked for Schroders PLC in London and Singapore, and Dresdner Kleinwort Wasserstein in Singapore, where she specialized in corporate restructuring and recovery throughout Southeast Asia. Laura holds a BSc (Econ) from the London School of Economics and Political Science. 

Marianna Waltz is a Managing Director at Moody’s Investors Service and has joined the company in 2011. She currently runs Moody’s ratings teams in Latin America, including the Corporate Finance, Infrastructure, Banking and Sub-Sovereign groups across more than 15 countries. She is responsible for the development of MIS ratings and research opinions for the region’s fundamental ratings groups, and the delivery of services to issuers and market participants. Prior to assuming this role in January 2021, Marianna was the Managing Director responsible for Moody’s Corporate Finance team in Latin America. Marianna is also a member of the Board of Directors of Moody’s Local, an affiliate of Moody’s in Peru, Panamá, Bolivia, Argentina, Uruguay, and Brazil. Prior to joining Moody’s, Marianna developed a career as an equity sell side analyst covering mostly the Brazilian Consumer and Protein sectors. From 2008 to 2011, she was the head of sell-side equity research in the investment arm of Banco do Brasil in Sao Paulo. Marianna is a CFA charter holder and holds three master’s degrees, including an MBA in Finance from IBMEC Business School and an MBA in Marketing from Fundação Getúlio Vargas - FGV.

Yasmina Serghini is a Managing Director in Moody’s Rating's Corporate Finance Group. She manages the teams in Madrid, Milan and Paris that are responsible for investment grade and high yield companies primarily in the TMT, retail, pharmaceutical, healthcare, food, packaged goods, railways and postal services industries.

Since joining Moody’s in 2005, Yasmina has been in charge of the credit ratings of automotive and truck manufacturers, retail, consumer packaged goods companies, including beverages and business services companies. Prior to joining Moody’s, Yasmina worked for Caisse Nationale des Caisses d’Epargne as a credit risk analyst where she had responsibilities for the analysis of companies mainly in the airlines, telecoms and real estate industries as well as aircraft and shipping financings. Yasmina is a CFA charterholder. 

She holds a Postgraduate Diploma (“DESS”) in Finance from Institut d’Etudes Politiques de Paris and has a university degree (majoring in Finance) from Dauphine University (Paris). She is fluent in English, French and Moroccan.