Bruno Pistone
WW GenAI Lead LLM Customization | SageMaker AI @ AWS
Proven leader in foundation model customization, distributed training, and agentic AI platform development.
Named among the Top 500 Italians Shaping the Future of AI (2024)
Impact
Enterprise customers transformed with GenAI & LLM solutions
Technical publications on ML & distributed systems
Developers using open-sourced training frameworks
AI specialists in AWS technical community led
Expertise
Deep Learning
Distributed Systems
Optimization
Accelerators & Infra
GenAI Frameworks
Search & Storage
Evaluation & Safety
MLOps & Production
Experience
WW GenAI Lead LLM Customization – Amazon SageMaker AI
Amazon Web Services
2024 – Present
Worldwide Solutions Architect leading LLM customization on Amazon SageMaker AI. I own the technical go-to-market strategy for model customization, fine-tuning, optimized inference, and agentic AI - and build the feature prototypes that engineering productizes into the service, including Serverless model customization and Ray as a distributed training option on SageMaker Training jobs. Founded and lead a global field community of 50+ AI specialists, and shape the product roadmap across 10+ major feature launches with product and engineering teams. Pioneered distributed training for 70B+ parameter LLMs — cutting training time by 30% and memory footprint by 40% — and authored 30+ technical blogs and open-source solutions now used as reference architectures for RAG, agentic AI, and foundation model training.
Sr. Generative AI/ML Specialist SA – Global Strategic Accounts
Amazon Web Services
2023 – 2024
Drove GTM strategy for GenAI across Automotive, Manufacturing, and Financial Services. Designed RAG systems processing 1M+ documents with sub-200ms latency.
ML Engineer → AI/ML Specialist SA
Amazon Web Services
2020 – 2023
Built production ML platforms, established MLOps standards across EMEA, launched multi-tenant ML platforms for 100+ data scientists.
Senior Data, ML & Cloud Engineer
Machine Learning Reply
2019 – 2020
Developed production ML models on GCP, led computer vision R&D, mentored engineering teams.
Featured Publications
Talks & Speaking
AWS re:Invent — 4× speaker
AWS re:Invent
Las Vegas, USA
• Customize small language models for specific domains
• Streamline the AI model development lifecycle with Amazon SageMaker AI
• Mastering foundation model customization with Amazon SageMaker AI
• Customize Amazon Nova models for agentic AI with SageMaker AI and Amazon Bedrock
AWS Summits — London, Milan & New York
AWS Summit
2021 – Present
• Improve the performance, quality, and availability of ML applications through AI
• GenAI for the prevention of workplace risks (with a manufacturing enterprise)
• Fine-tune LLMs with Amazon SageMaker HyperPod
• Customize Amazon Nova on Amazon SageMaker AI for your business needs
AI conferences — AI Week Italy & NLP Conference
AI Week Italy 2025 · NLP Conference 2023, London
Italy & UK
• Amazon SageMaker AI: build, train, deploy, and manage GenAI & ML models at scale — AI Week Italy
• Serverless Retrieval Augmented Generation — NLP Conference
Enterprise keynotes & partner sessions
Automotive, manufacturing & financial services · partners (Hugging Face, NVIDIA)
EMEA · 2022 – Present
• Generative AI on AWS: sharing the future of innovation — with Hugging Face & NVIDIA
• Invited keynotes for leading automotive and manufacturing enterprises