Alessia Paccagnella
FounderFounder at VibeFlow
San Francisco, California, United States
FoundedVibeFlow · YC
About
Alessia Paccagnella is a cofounder of VibeFlow. She previously worked as a software engineer at Esri, where she led the design and development of a visual programming tool for 3D procedural modeling. She holds an MSc in Computer Science from ETH Zurich.
Alessia @alessiapacca
tried the yc office hours simulator today. had a chat with AI @garrytan and AI @harjtaggar. they already knew all my context. this is so valuable!! having yc partner brains available the second i need them is insane https://t.co/zvPx2BXJrI
Jul 30, 2026 · ♥ 124 · ⇄ 3
Alessia @alessiapacca
Discipline is overrated. Or at least, it's only half of the story. I was raised on discipline. Strict education, a volleyball coach who was genuinely merciless, difficult schools. I know I can force myself to do almost anything for a very long time. Sometimes, it's needed. But https://t.co/yFCRVSem2D
Jul 10, 2026 · ♥ 71 · ⇄ 3
Alessia @alessiapacca
when i need to explain something to someone, instead of writing it out, i usually just generate a nice-looking html page and send them the file. people read it so much better than plain text. sometimes i even do it for myself when i have to actually read a long doc. ai made
May 22, 2026 · ♥ 11
Founder at VibeFlowYC S25
Intro paths
Alessia went through Y Combinator (Summer 2025) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Tyler Bosmeny, General Partner at Y Combinator — the partner who ran VibeFlow's batch and knows the company first-hand. YC profile ↗
In turn, Alessia can intro founders to VibeFlow's investors below.
VibeFlow's investors · 1
Co-founders at VibeFlow
Experience
- VibeFlow (YC S25)Co-Foundercurrent2025 — present
- Esri R&D Center ZurichSoftware Engineer II2022 — 2024Zurich, Switzerland
- Esri R&D Center ZurichSoftware Engineer Internship2021Zurich, Switzerland
- ETH Media Technology CenterMaster Thesis Student2020 — 2021Zurich, Switzerland
Education
- Y CombinatorS25
- ETH ZürichMSc, Computer Science2019 — 2021
- Politecnico di MilanoIngegneria informatica2016 — 2019
- Residenze Universitarie Internazionali RUIJUMP - Job University Matching Project2016 — 2019
Skills & more
Languages Inglese · Italiano · Spagnolo · Tedesco
From Alessia's professional profile.
Same school
Also attended Y Combinator1,463
+ 1,457 more
Also attended ETH Zürich136
+ 130 more
Also attended Politecnico di Milano51
+ 45 more