Christina Mavrakana

Finance and regulatory compliance professional with a PhD in Economics and experience spanning banking research, market risk, compliance assurance, financial consulting, and AI model training. Applies subject-matter expertise to design specialized prompts, evaluate model reasoning, identify regulatory and financial inaccuracies, and produce clear, well-supported corrections.

AI Quality & Evaluation Specialist at Independent Contractor (2025-10 – Present)

Specialized in AI training, evaluation, and quality assurance, with a focus on finance, regulatory compliance, and investment analysis. Designs domain-specific prompts; evaluates and ranks AI-generated responses using detailed rubrics; identifies hallucinations, unsupported conclusions, regulatory inaccuracies, jurisdictional inconsistencies, and other quality defects; and develops corrected expert-level responses with clear written rationales. Performs data annotation, validation, quality auditing, and model benchmarking across projects for Handshake AI and RWS.

Compliance & Finance AI Trainer at Handshake AI (2026-07 – Present)

• Design specialized prompts in finance, regulatory compliance, and investment analysis to test AI models' domain-specific reasoning and accuracy.
• Review and evaluate AI-generated responses for accuracy, relevance, completeness, reasoning quality, and adherence to task-specific rubrics.
• Develop corrected, expert-level responses when models fall short, ensuring analyses are accurate, well-reasoned, and grounded in applicable regulatory and financial frameworks.

AI Data Annotator & Quality Auditor at RWS Group (2025-10 – 2026-04)

• Review, label, and validate data used to train AI models, ensuring accuracy and consistency.
• Conduct quality audits and peer-level assessments to enforce client-defined guidelines and accountability standards.

Compliance Assurance & Controls Officer at Euronet Merchant Services Payment Institution (2023-03 – 2024-10)

• Performed thematic reviews and gap analyses, recommending remedial actions to align policies and controls with requirements including the FCPA, UK Bribery Act, and GDPR.
• Conducted third-party due diligence to identify, assess, and mitigate anti-corruption, sanctions, and data-privacy risks.

Compliance Analyst / Market Risk Analyst at APU Global (2019-06 – 2023-01)

• Managed compliance and risk initiatives for a Professional Employer Organization, supporting employment-regulation compliance and client risk mitigation.
• Collected and analyzed market data to assess trends, volatility, and potential risk events.

Lecturer & Registrar Assistant at Aegean College / IEK Omiros (2018-09 – 2019-06)

• Taught undergraduate and postgraduate courses including Maritime Accounting, Introduction to Marketing, Research Methodology, and SPSS in association with Canterbury Christ Church University.

Financial Consultant at PwC (2017-09 – 2018-02)

• Analyzed business models for banks and financial institutions, identified gaps and opportunities, recommended growth strategies, and collaborated with stakeholders to define objectives and KPIs.

PhD in Economics in Specialization in Banking – University of Piraeus (2013-09 – 2019-06)

MSc in Economics and Business Strategy – University of Piraeus (2010-10 – 2012-10)

BSc in Accounting and Finance – University of Macedonia (2005-09 – 2010-09)