Aleksandar Fontana 🎓

Aleksandar Fontana

PhD Student in AI and Cybersecurity

Scuola Superiore Sant'Anna

Professional Summary

I am a PhD Student in AI and Cybersecurity at Scuola Superiore Sant’Anna. My research focuses on stabilizing Large Language Model alignment through Reinforcement Learning (e.g., GTPO) and detecting software vulnerabilities.

Education

PhD in AI and Cybersecurity

2024-10-01

Scuola Superiore Sant'Anna

Master in Physics of Complex Systems and Big Data

2021-09-01
2024-07-01

University of Tor Vergata

Bachelor in Physics

2018-09-01
2021-07-01

University of Tor Vergata

Interests

Deep Learning Natural Language Processing (NLP) Large Language Models (LLMs) Reinforcement Learning (RL) Policy based techniques (e.g. PPO, GRPO) Physics of Complex Systems Fractal Analysis Cybersecurity Videogames

Experience

AI Consultant

Netgroup S.p.A., Naples

Architected and trained a custom Transformer-based model from scratch leveraging proprietary tabular datasets to predict and classify cybersecurity attacks.

AI/NLP Research Intern

Serco Italia S.p.A, Rome

Engineered and fine-tuned a specialized LLM for deployment on resource-constrained hardware, implementing advanced optimization techniques to reduce model footprint and latency.

Head of Board & Community Manager

Element Gaming

Led community operations for a non-profit multigaming association, coordinating a network of 100+ affiliated content creators.

Education

PhD in AI and Cybersecurity

Scuola Superiore Sant'Anna

Current research focusing on LLM alignment, trajectory-based policy optimization (GTPO), and cyber threat intelligence.

Master in Physics of Complex Systems and Big Data

University of Tor Vergata

Thesis: “Exploring the frontier of chatbot technology”

Bachelor in Physics

University of Tor Vergata

Thesis: “Quantum computing and cosmology of the early universe”
Conference Papers
Preprints & Working Papers