Ariane Ortiz-Bollin Vice President, Senior Credit Officer, Credit Strategy & Research Moody's Ratings

Ariane leads cross-sector analytic initiatives, strategic research and outreach covering Latin America. She chairs our Latin America Credit Council and works on credit strategy with senior leaders of Ratings & Research and other Credit Strategy & Standards functions within Moody’s. She is tasked with ensuring global analytical consistency with other regional credit strategy functions and foster collaboration across analytical teams. 

Before her current role, Ariane was part of the Global Emerging Markets team, responsible for generating house views and research, and hosted Moody’s Emerging Markets Decoded podcast. 

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.

Samar Maziad Vice President - Senior Analyst, Sovereign Risk Moody's Ratings

Dr. Samar Maziad is a Vice President and Senior Analyst at Moody’s Sovereign RiskGroup in New York. She is a lead credit risk analyst for a portfolio of Latin American sovereigns and multilateral development banks, including Brazil and others. Prior tojoining Moody’s, Dr. Maziad was a Senior Economist at the International MonetaryFund, where she covered a wide range of macroeconomic and financial stability issues in emerging markets including China and Latin America.

Dr. Maziad is a regular participant at high-profile market briefings, external conferences and media engagements related to Latin America and emerging markets. Ms. Maziad holds a Ph.D. in Economics from the University of St. Andrews in the UK.

Christian de Guzman Senior Vice President - Manager, Sovereign and Sub-Sovereign Risk Moody's Ratings

Christian de Guzman is a Senior Vice President with Moody’s Sovereign and Sub-Sovereign Risk Group. Based in Singapore, he covers a portfolio of sovereigns and multilateral development banks in Asia Pacific, including Japan, India and a number of Southeast Asian credits, while also managing the team responsible for sub-sovereign ratings in Asia ex-China.

Christian joined Moody’s in 2009, after working as a Senior Economist for the Monetary Authority of Singapore, covering ASEAN economies. He has also held various positions with the Research Department at the International Monetary Fund in Washington DC, and Procter & Gamble in Singapore.

Christian was a Phi Beta Kappa graduate in Economics and Political Science at the University of Georgia and received his M.A. in International Economics and Southeast Asian Studies from the Johns Hopkins University School of Advanced International Studies.

Marcos Schmidt Associate Managing Director, Corporate Finance Moody's Investors Service

Marcos Schmidt is a Vice President – Senior Credit Officer in Moody’s Corporate Finance Group in São Paulo, Brazil, leading the credit analysis and rating process for a diversified portfolio of media & telecommunication, airlines, and building materials companies in South America. Prior to joining Moody’s in 2014, Marcos worked at Morgan Stanley, Citibank and Deutsche Bank. Marcos received his bachelor’s degree in industrial engineering from Escola de Engenharia Maua in Brazil. He also holds an MBA from FIA - Fundacao Instituto de Administracao.