Petros Giannakopoulos
Senior Speech Scientist at Dialectica
Athens, Attica, Greece
Summary
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Senior🎓
Top SchoolPetros Giannakopoulos is a Senior Speech Scientist with 11 years of experience designing and deploying machine learning systems across audio, speech, multi-modal recommendation, and NLP. He combines deep academic training (PhD in Computer Science) with hands-on industry impact, having built end-to-end solutions for voice style transfer, sound event detection and separation, DoA estimation, and RAG-based QA from PDFs. Petros has repeatedly moved research into production—developing MIR engines, hearing-loss measurement tools, and task-oriented dialogue speech components—while also creating data generation and annotation pipelines. Based in Athens, he blends signal-processing rigor with modern deep learning and reinforcement approaches, and has a track record of tackling cross-disciplinary problems that bridge robotics, accessibility, and media recommendation.
11 years of coding experience
6 years of employment as a software developer
Doctor of Philosophy (PhD), Computer Science, Doctor of Philosophy (PhD), Computer Science at National and Kapodistrian University of Athens
English, German, Greek
Github Skills (24)
minecraft10
kaggle10
malmo10
reinforcement-learning10
keras10
image-segmentation10
tensorflow10
deep-reinforcement-learning10
image-masking10
theano10
machine-learning9
deep-learning9
contrastive-learning8
q-learning6
artificial-intelligence6
Programming languages (4)
Github contributions (5)
petrosgk/Kaggle-Carvana-Image-Masking-Challenge
Aug 2017 - Sep 2017
Solution based on U-Net for the Kaggle Carvana Image Masking Challenge
Contributions:71 commits, 3 PRs, 69 pushes in 1 month
image-maskingkaggledeep-learningkerasimage-segmentation
petrosgk/Kaggle-Cdiscount-Image-Classification-Challenge
Oct 2017 - Aug 2022
Contributions:16 commits, 15 pushes in 4 years 10 months
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