Alexandros Mittos

• Acted as a data science consultant for EMEA-based projects of a global Robotic Process Automation (RPA) company. Developed Named Entity Recognition (NER), Computer Vision (CV), and Document Understanding (DU) models for several global companies in various fields (fintech, logistics, filtration).
• Developed and implemented the methodology used for de-listing and/or replacing products for a major UK-based grocery chain by conducting basket analysis and customer behavior analytics.
• Led several data scientist interviews for new hires.

• Got security-cleared to work on two government client projects and was in charge of collecting, cleaning, and analyzing large-scale social platform data.
• Designed the project's classifying pipeline (involving among others BERT, XGBoost, Random Forest, and Feature Engineering).
• Was visualizing data and extracting actionable insights using Plotly's Dash for various stakeholders.
• Was in charge of data quality – built pipelines to ensure that deliverables are accurate, complete, and consistent.
• Used AWS to store, manage, and extract relevant datasets (S3, Athena).
• Was part of the grant proposal writing team – leveraged my academic expertise to write and win grants.
• Consulted stakeholders on extremist speech detection, social platform data analysis, and the far-right.
• Coached and mentored a Junior Data Scientist.

• Trained and evaluated the performance of several ML and NLP models (XGBoost, Random Forests, BERT, Logistic Regression) in identifying online hate speech.
• Measured and evaluated how engineered features affect the performance of hate speech classifiers.
• Measured and evaluated how different dataset annotation techniques affect the performance of online hate speech classifiers.

• Awarded a Horizon 2020 Marie Skłodowska-Curie Fellowship for the Privacy & Usability Innovative Training Network.
• Used ML and NLP techniques (Word Embeddings, LDA, Sentiment Analysis, Computer Vision) to study how direct-to-consumer genetic testing is being used by far-right groups to promote racist ideologies.
  Media Coverage The Times, StatNews
• Conducted three large-scale studies on social media platform datasets (Twitter, Reddit, 4chan) consisting in total of more than 1.3M comments. Used NoSQL (MongoDB) to store, manage, and transform the datasets.
• Critically evaluated and systematized the research produced by the genome privacy community in the context of privacy-enhancing technologies geared for testing, storing, and sharing genomic data.

• Designed and ran a survey on the public perceptions of direct-to-consumer genetic testing.

• Studied how health and genetic data is being handled under GDPR.

Acted as a Teaching Assistant for the following courses:

• Database Structures I.
• Information System Analysis and Design.
• Comprehending Data Structures using C and/or C++.
• Learning the Java programming language.

• In 2011 I co-created OSArena.net which is at the moment the largest Greek community on Open Source Operating Systems and Software, featuring news, guides, and opinion articles on Linux, Android, Hardware, Hacking, Privacy, and Security. I was an active author until November 2013.