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Mario Athanasiou

AI Data Professional · Greek Language Specialist · Citizen Scientist

Greek Native English C2 Learning Mandarin & Spanish Open to Work

LinkedIn Email GitHub Live Site


🔬 Citizen Science

"The intersection of open science and computational biology is where a lot of my long-term curiosity lives."

Metric Value
🧬 Folding@home Points 1,392,762
🧪 Work Units 83
🏆 Rank #309,609 — Top 1M Donor
🧠 Stall Catchers Brain blood flow analysis for Alzheimer's research

I'm a firm believer that you don't need a lab coat to contribute to serious science. Folding@home and Stall Catchers are active commitments, not afterthoughts.


⚡ What I Do

I work at the human side of the AI pipeline — making language models more accurate, fair, and linguistically grounded through careful annotation, QA, and data auditing.

Specialisms:

  • 🇬🇷 Greek-language AI data — Native fluency applied to annotation, transcription QA, and localization
  • 🔒 PII labeling & auditing — 70+ categories, GDPR-aligned workflows
  • Prompt & response QA — Evaluating AI outputs against client specs and formatting guidelines
  • 🎵 Music & language data — Worked on Spotify music recommendation datasets
  • 💬 Transcription QA — Greek speech-to-text data quality review

💼 Experience

Role Organisation Period Type
AI Response Evaluator / Annotator LILT Apr 2026 – present Freelance · Remote
General AI Tutor / Prompt Engineering QA Mindrift Dec 2025 – Mar 2026 Freelance · Remote
Greek Audio Transcription QA Specialist DatApp Technology Sep 2025 – Jan 2026 Contract · Remote
Data Annotation Auditor & Specialist – PII iMerit Technology Jun 2025 – Jan 2026 Contract · Remote
Customer Success Agent Plum (fintech) Jul 2024 – May 2025 Full-time · Hybrid
Technical Support Representative Movate · for Microsoft Dec 2020 – Mar 2023 Seasonal · Remote

🛠️ Tools & Tech

Git/GitHub Python Ubuntu Google Sheets Label Studio Bash


🏅 Certifications

Certification Issuer Year
✦ AI and Public Health DeepLearning.AI / Coursera 2025
✦ Foundations of Responsible AI LinkedIn Learning 2025
✦ GitHub Copilot Fundamentals Pluralsight 2025
✦ Functional Neuroanatomy Boston NeuroDynamics 2025
✦ Financial Analyst Certification Workearly 2025
✦ ECPE & CAE (English Proficiency) Cambridge / Michigan 2021

🚀 Projects

Interactive Neuroscience Learning Platform

An interactive neuroscience education platform vibecoded from scratch — covering neurons & action potentials, synapses, neural networks, glia, sleep science, and beyond. Features real-time simulations, interactive visualizations, a full 6-chapter curriculum with 2025 research citations, and mobile-responsive design.

📚 Chapters 6 — from neurons to glymphatics
🎮 Features Interactive simulations, real-time visualizations, clinical correlations
🔬 Research Sourced citations from 2025 neuroscience
🌐 Live oligodendrosite.com

🌍 Beyond the Job Titles

  • 🎨 Gouache painter — Studio Ghibli-inspired palette
  • ✍️ Fantasy fiction writer — Mario Kade
  • 🎹 Classical piano, accordion, and vocal training
  • 🗣️ Learning Mandarin Chinese and Spanish
  • 🔒 Privacy in practice: Tor, I2P, Monero
  • 🤝 Ukrainian Aid Center Greece — translation & refugee support (2022)

📬 Get in Touch

Looking for annotation, localization QA, language data, or AI evaluation work — especially anything involving Greek — I'd be glad to hear from you.

✉️ venusxmercury@protonmail.com
💼 linkedin.com/in/mario-athanasiou
🐙 github.com/onyxtide
🌐 onyxtide.github.io/portfolio

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Mario Athanasiou - AI Data Professional Portfolio

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