Where does Alessio Fanelli work?

Alessio Fanelli is Partner at Decibel Partners.

What check size does Alessio Fanelli write?

Alessio Fanelli typically writes checks of $1M – $6M.

What companies has Alessio Fanelli invested in?

Investments tracked here include Launchable, Bigeye, Cube Dev, DeepSource, Drifting in Space, Launchable, Oort, Panther Labs.

Where did Alessio Fanelli go to school?

Alessio Fanelli studied at University of Rome Tor Vergata (Physics & Computer Science); Liceo Scientifico Newton; John Cabot University (Literature).

What has Alessio Fanelli written?

Alessio Fanelli has 1 tracked post on alessiofanelli.com, including "My 1B tokens/day OpenAI Symphony setup".

Does Alessio Fanelli lead rounds?

Yes — Alessio Fanelli has led 1 tracked investment.

Alessio Fanelli

Investor

Partner at Decibel Partners

Bay Area

Writes $1M – $6M checks · typically $2M

30 Under 30 2024 · Venture Capital

Find your path to Alessio

338 people in our graph share verified history with Alessio — schools, employers, funds. One of them is your warm intro.

Ellie HinkenunlockedAlessio: together at YouTube (2014)

Alessio: together at Decibel Partners

Alessio: together at 645 Ventures

×3Alessio: together at YouTube

About

Alessio Fanelli is a Partner at Decibel, where he leads Seed and Series A rounds in AI, infrastructure software, security, and developer tools. He also serves as the firm's CTO, building its internal software platform for programmatic sourcing and project tracking. Before Decibel, he was involved with 645 Ventures, where he wrote about and led investments in developer-tooling companies. He co-hosts the Latent Space podcast with swyx, which grew into a large AI Engineers community and drew over a million views in 2023. He is an active writer and open-source builder, having released tools like smol-podcaster.

Contact· published on Alessio's own website

a•••@decibel.vcreveal

Invests in

AI & Machine LearningCybersecurityDeveloper ToolsEnterprise SoftwareSaaS

Beyond investing

Communities: Co-hosts the Latent Space podcast, described as the largest AI Engineers community, with his friend swyx.
Hobbies: Plays soccer in his spare time. Plays Magic: The Gathering. Plays FPS games, mostly Call of Duty and Counter-Strike.
More: Was born and raised in Rome, Italy. Open sourced smol-podcaster, a tool for podcast transcription and chapter generation using LLMs. Gave a talk at the Linux Foundation Members Summit on open source monetization.

From Alessio's own website — common ground for a warm intro.

Experience

Kernel LabsFoundercurrent2025 — presentSan Francisco Bay Area
Latent Space PodcastCo Hostcurrent2023 — present
Decibel PartnersPartnercurrent2022 — presentSan Francisco Bay Area
Merlion GamesCo-Ownercurrent2025 — presentSan Carlos, California, United States
Nextgen PartnersBoard Member2021 — 2024
645 VenturesPrincipal2021 — 2022San Francisco, California, United States
645 VenturesVice President2020 — 2021San Francisco, California, United States
645 VenturesDirector Of Engineering2019 — 2020New York City Metropolitan Area
645 VenturesEngineer2018 — 2019
645 VenturesEngineering Fellow2018
MikamaiConsulting Software Engineer2017 — 2018Milan, Lombardy, Italy
Welcome TechnologiesLead Engineer2016 — 2017Los Angeles Metropolitan Area
GENIUSCommunity Moderator2013 — 2017
Smart TorvyFounder2014 — 2016
Divet TechFounder2013 — 2016
FreelancerFreelancer2014 — 2016
Reign eSports (Acquired by VwS Gaming)Head of Graphics2013 — 2014
Maker Studios IncVideo maker2012 — 2014
YouTubePartner2012 — 2014
The eSports RevolutionHead of Graphics2013 — 2014
Halo ItaliaGraphic Designer & Webmaster2010 — 2014Roma

Skills & more

Ruby on Rails14Python13CSS3JavaScript3HTML2WordPress2ReactRubyEmber.js11Video3User experience2Web Design2

+2 more

Continuous IntegrationGrafica

Languages Inglese · Italiano

From Alessio's professional profile.

Investments

Led

Launchable

Investor

BigeyeCube DevDeepSourceDrifting in SpaceLaunchableOortPanther Labs

Sources: the investor's own website · the firm's website.

Writing

All posts ↗

My 1B tokens/day OpenAI Symphony setup2026-05-01

The author details his setup running the Elixir Symphony implementation on Zo Computer, using a Linear-based workflow with custom statuses and a token-usage dashboard to manage coding-agent projects.», published_date

Colleagues at Decibel Partners

Amy Chang

Founder, Accompany at Decibel Partners

Andrew Peterson

Founder, Signal Sciences at Decibel Partners

Bhaskar Sunkara

Founder, AppDynamics at Decibel Partners

Dan Nguyen-Huu

Partner at Decibel Partners

Dug Song

Founder, Duo Security at Decibel Partners

Jess Leão

Partner at Decibel Partners

Jon Oberheide

Founder, Duo Security at Decibel Partners

Jon Sakoda

Founder at Decibel Partners

Network9

Asad KhaliqScout

Founding Partner at Acrew Capital

Brian FlynnScout

Managing Partner at FounderPartners

Chris MarksScout

Managing Partner at Firebrand Ventures

Dan Nguyen-HuuScout

Partner at Decibel Partners

Henry GladwynScout

Investor at OMERS Ventures

Jon SakodaScout

Founder at Decibel Partners

Calvin Liu

Partner at Divergence

Joe Lallouz

Entrepreneur and angel investor based in New York City

Stacey Wueste

Business Development Partner at Decibel Partners

Investors connected to Alessio in public investor directories — a warm-intro map.

Frequently asked questions

Who is Alessio Fanelli?: Alessio Fanelli is a Partner at Decibel, where he leads Seed and Series A rounds in AI, infrastructure software, security, and developer tools. He also serves as the firm's CTO, building its internal software platform for programmatic sourcing and project tracking. Before Decibel, he was involved with 645 Ventures, where he wrote about and led investments in developer-tooling companies. He co-hosts the Latent Space podcast with swyx, which grew into a large AI Engineers community and drew over a million views in 2023. He is an active writer and open-source builder, having released tools like smol-podcaster.
Where does Alessio Fanelli work?: Alessio Fanelli is Partner at Decibel Partners.
What does Alessio Fanelli invest in?: Alessio Fanelli invests in AI & Machine Learning, Cybersecurity, Developer Tools, Enterprise Software, SaaS.
What check size does Alessio Fanelli write?: Alessio Fanelli typically writes checks of $1M – $6M.
What companies has Alessio Fanelli invested in?: Investments tracked here include Launchable, Bigeye, Cube Dev, DeepSource, Drifting in Space, Launchable, Oort, Panther Labs.
Where did Alessio Fanelli go to school?: Alessio Fanelli studied at University of Rome Tor Vergata (Physics & Computer Science); Liceo Scientifico Newton; John Cabot University (Literature).
What has Alessio Fanelli written?: Alessio Fanelli has 1 tracked post on alessiofanelli.com, including "My 1B tokens/day OpenAI Symphony setup".
Does Alessio Fanelli lead rounds?: Yes — Alessio Fanelli has led 1 tracked investment.