SPYRIDOULA TZIMA
London
Summary
Senior economist and sovereign analyst with 10+ years’ experience analysing macroeconomic, fiscal and financial conditions across advanced and emerging economies. PhD in Economics with a focus on applied econometrics and policy evaluation, quantifying the impact of crisis‑era public policies on EU countries’ sovereign borrowing costs. Experienced in building and maintaining large macro‑financial datasets, applying econometric techniques to measure economic impacts, and monitoring the global macro environment, including energy‑related developments. Proven ability to translate complex quantitative analysis into clear, compelling reports and presentations for senior executives, policymakers, investors and international institutions.
Overview
14
14
years of professional experience
Work History
Vice President
Morningstar (DBRS Ratings)
09.2022 - Current
- Design and lead quantitative assessments of how macroeconomic, fiscal, and policy developments affect sovereign financing conditions and credit risk across advanced and emerging economies.
- Build and maintain large multi‑country macro‑financial datasets (Haver, Bloomberg, Oxford Economics), performing data cleaning, transformation, and quality checks to support empirical analysis and modeling.
- Conduct empirical studies using econometric techniques (panel regressions, macro‑financial models) to quantify the impact of government policy frameworks and medium‑term strategies on sovereign borrowing costs and vulnerabilities.
- Continuously monitor the global macroeconomic environment, including growth, inflation, monetary policy, market conditions and energy‑related developments, and translate these into forward‑looking risk assessments.
- Translate technical findings into research reports, credit memos, and presentations for ministries/central banks.
- Lead interactions with ministries of finance, central banks, debt management offices, and multilateral institutions, explaining analytical results and sovereign risk assessments to non‑technical audiences.
- Mentor and review the work of junior analysts, guiding their empirical analysis, model development, and written output to ensure methodological rigor and consistency.
Assistant Vice President/Analyst
Morningstar (DBRS Ratings)
02.2016 - 12.2019
- Conducted advanced quantitative analysis of European sovereigns using large cross-country macro datasets (2021 Governments Research Award).
- Quantified COVID-19 economic impacts on tourism sector across Southern Europe (2020 Impact Award)—direct parallel to economic impact estimation.
- Built/maintained ESG database systematically measuring environmental/social impacts on sovereign risk.
Analyst
Aegean Airlines S.A.
07.2013 - 09.2015
- Built and maintained SQL‑based datasets on revenues, costs and operational metrics, ensuring data quality for regular management reporting and analysis.
- Extracted, cleaned and combined large transaction and operational datasets to produce daily, monthly and quarterly performance reports and dashboards.
- Undertook specific market or company research projects to support the development of a market development or acquisition.
- Identified and analyse supply, facility, and logistics cost savings opportunities.
- Analysed market and company data to identify demand trends, pricing opportunities and cost‑efficiency measures, providing quantitative input into network, pricing and procurement decisions (including jet fuel contracts).
Research Assistant (Internship)
Centre of Planning and Economic Research (KEPE)
06.2012 - 10.2012
- Co-authored economic impact studies published in KEPE’s Greek Economic Outlook during Greece’s sovereign debt crisis.
- Applied econometric methods (t-tests, linear/logistic regression, factor analysis) using R to support Greek government macroeconomic forecasting during Adjustment Programme.
- Delivered empirical macroeconomic analysis for government policy discussions, demonstrating early expertise in translating quantitative findings into actionable policy insights.
Education
PhD - Economics
Brunel University
London01.2018
MSc - Accounting and Finance
Brunel University
London01.2010
BSc - Accounting and Finance
Athens University of Economics and Business
01.2008
Skills
Panel data models
Regression analysis
Macro-financial modelling
Policy-impact assessment
Economic impact studies
Stata
Macroeconomic and fiscal analysis
Public-sector balance sheets
Policy frameworks
ESG and sovereign risk
Briefings and presentations
Timeline
Vice President
Morningstar (DBRS Ratings)
09.2022 - Current
Assistant Vice President/Analyst
Morningstar (DBRS Ratings)
02.2016 - 12.2019
Analyst
Aegean Airlines S.A.
07.2013 - 09.2015
Research Assistant (Internship)
Centre of Planning and Economic Research (KEPE)
06.2012 - 10.2012
MSc - Accounting and Finance
Brunel University
BSc - Accounting and Finance
Athens University of Economics and Business
PhD - Economics
Brunel University