About
Ash Lewis is the CEO and co-founder of Fastino, a company developing tools and infrastructure for training small language models (SLMs). The company's work includes Pioneer, a system that automates the SLM fine-tuning lifecycle across synthetic data generation, training, evaluation, deployment, and ongoing improvement on live inference data. Lewis writes about topics including SLMs, encoder architectures, post-training methods, and the deployment of small models at scale.
Cofounder at Fastino
Intro paths
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In turn, Ash can intro founders to Fastino's investors below.
Fastino's investors · 4
Co-founders at Fastino
GM
George MaloneyExecutive Officer, Director
AL
Ashley LewisExecutive Officer, Director
GH
George Hurn-MaloneyFounder
Experience
- FastinoCEO & co-foundercurrent2024 — present
- Various StartupsCEO / Founder / CTO / Board Advisorcurrent2014 — present
Education
- Kelvin Science SchoolHigh School2007 — 2012
Skills & more
JavaScript27Venture Capital22Deep Reinforcement Learning19Python (Programming Language)6Supervised Learning6Machine Learning3Software Development
From Ash's professional profile.
Frequently asked questions
- Where does Ash Lewis work?
- Ash Lewis is Cofounder at Fastino.
- What companies did Ash Lewis found?
- Ash Lewis founded Fastino.






