AWS Physical AI Blog

Amin Dashti

Author: Amin Dashti

Amin Dashti is a Senior Data Scientist and researcher at AWS who bridges deep theoretical insight with practical machine learning expertise. With a background in theoretical physics and over eight years of experience, he has designed and deployed scalable models across domains — from predictive analytics and statistical inference in financial systems to computer vision (CV) and natural language processing (NLP).

Fine-tuning OpenVLA on Amazon SageMaker AI with LoRA

Introduction Fine-tuning a Vision-Language-Action (VLA) model like OpenVLA with LoRA on Amazon SageMaker AI lets you adapt a 7-billion parameter robot brain to a new task in hours, not days. This cuts GPU compute costs, shortens adaptation cycles, and lets Physical AI engineers focus on their core domain rather than on infrastructure. Physical AI, a […]