Hobby
My First Half Marathon, and What a Year of Running Taught Me
How a year of early-morning runs led to my first half marathon, the Stramilano in Milan, finished in 1:38:18, and what the habit changed beyond the race.
4 min read
Nunzio Alexandro Letizia
CTO & Co-founder of PiktID • Researcher-turned-founder • GenAI Engineer
I'm the co-founder and CTO of PiktID, where we build GenAI tools for image editing at scale. Our two products are Studio, an image-editing platform with 300K+ users, and On-Model, a fashion e-commerce SaaS used by 50+ brands. My PhD is in deep learning applied to communications engineering, with publications at NeurIPS and in IEEE Transactions. Day-to-day I own the full pipeline: research, model development, deployment, and product.
Recent Work
View all work →On-Model
ProductA PiktID product
Fashion visuals at scale with AI
50+ brandsVisit
Studio
ProductA PiktID product
AI image editing platform for human identities
300K+ registered usersVisit
ResearchNeurIPS 2024
Mutual Information Estimation via f-Divergence and Data Derangements
Published at NeurIPS 2024 — novel approach combining f-divergence with data derangements for tighter mutual information bounds.
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Hobby
StrideAtlas: A Running Dashboard for Myself
Why I built StrideAtlas, a personal running dashboard, and what it shows that Strava doesn't.
3 min read
Research
My PhD in Deep Learning for Communications: 5 Years in Review
A look back at my PhD journey, from Udine to Klagenfurt to Princeton and NeurIPS, and the moments that shaped it.
4 min read