Rafael Sandroni
Founder, CEO at GuardionAI | Agent security
London, England, United States
Summary
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SeniorRafael Sandroni is a seasoned software leader and entrepreneur with nine years of experience delivering scalable AI and fintech solutions. He is the Founder and CEO of GuardionAI, building guardians for AI agents and enterprise AI with real-time incident monitoring and threat detection for global fintechs and banks. He also serves as Founder in Residence at Entrepreneurs First, shaping a portfolio of ventures backed by industry leaders and demonstrating an ability to spot and grow high-potential ideas. His background includes senior ML roles at Apple and Nubank, a stint at Santander, and co-founding Grana, a 200k-user personal finance startup, bringing NLP, ML monitoring, and data engineering to scale. Earlier in his career, he contributed to Metatext.AI, achieving 2M page views used by developers across ESA, national governments, and major universities, underscoring his impact on enterprise AI tooling. Based in the United Kingdom, he blends hands-on engineering with strategic leadership to turn complex problems into practical, secure AI-driven solutions.
9 years of coding experience
7 years of employment as a software developer
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (66)
playstation9
emulation9
cpp9
masters9
ps29
nlp8
playstation-28
vulnerability-assessment8
artificial-neural-networks8
spell-checker8
language-detection7
chatgpt7
ai7
sentiment-analysis7
part-of-speech-tagger7
Programming languages (7)
Github contributions (5)
rafaelsandroni/author-profiling-models
Oct 2018 - Jan 2020
Models from masters dissertation: Author profiling from texts using artificial neural networks, EACH-USP 2019
Contributions:161 commits, 18 pushes in 1 year 3 months
nlpauthor-profilingpytorchprofilingmasters
metatext/status
Feb 2021 - Feb 2023
Contributions:306 pushes, 3 comments, 16 issues in 2 years
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