Alessio Fanelli
InvestorPartner at Decibel Partners
San Francisco, California
Writes $1M β $6M checks Β· typically $2M
About
Alessio Fanelli is a partner at Decibel who works with technical founders building tools for technical users, advising on product design, go-to-market strategy, and technical recruiting. He was previously a Principal at 645 Ventures, focusing on dev tools, security, and enterprise SaaS. Earlier he founded Smart Torvy, an open source and hardware home automation platform, and worked as a lead engineer at early-stage startups including Welcome Tech; he co-hosts the Latent Space podcast on AI.
ContactΒ· published on Alessio's own website
Invests in
AI & Machine LearningCybersecurityDeveloper ToolsEnterprise SoftwareSaaS
Experience
- Kernel LabsFoundercurrent2025 β presentSan Francisco Bay Area
- Latent Space PodcastCo Hostcurrent2023 β present
- Decibel PartnersPartnercurrent2022 β presentSan Francisco Bay Area
- Merlion GamesCo-Ownercurrent2025 β presentSan Carlos, California, United States
- Nextgen PartnersBoard Member2021 β 2024
- 645 VenturesPrincipal2021 β 2022San Francisco, California, United States
- 645 VenturesVice President2020 β 2021San Francisco, California, United States
- 645 VenturesDirector Of Engineering2019 β 2020New York City Metropolitan Area
- 645 VenturesEngineer2018 β 2019
- 645 VenturesEngineering Fellow2018
- MikamaiConsulting Software Engineer2017 β 2018Milan, Lombardy, Italy
- Welcome TechnologiesLead Engineer2016 β 2017Los Angeles Metropolitan Area
- GENIUSCommunity Moderator2013 β 2017
- Smart TorvyFounder2014 β 2016
- Divet TechFounder2013 β 2016
- FreelancerFreelancer2014 β 2016
- Reign eSports (Acquired by VwS Gaming)Head of Graphics2013 β 2014
- Maker Studios IncVideo maker2012 β 2014
- YouTubePartner2012 β 2014
- The eSports RevolutionHead of Graphics2013 β 2014
- Halo ItaliaGraphic Designer & Webmaster2010 β 2014Roma
Skills & more
Ruby on Rails14Python13CSS3JavaScript3HTML2WordPress2ReactRubyEmber.js11Video3User experience2Web Design2
+2 more
Continuous IntegrationGraficaLanguages Inglese Β· Italiano
From Alessio's professional profile.
Investments
Investor
BigeyeCube DevLaunchableOortPanther Labs
Per the firm's website.
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 LeΓ£o
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
Investor at Ambush Capital
Stacey Wueste
Business Development Partner at Decibel Partners
Investors connected to Alessio in public investor directories β a warm-intro map.
Frequently asked questions
- Who is Alessio Fanelli?
- Alessio Fanelli is a partner at Decibel who works with technical founders building tools for technical users, advising on product design, go-to-market strategy, and technical recruiting. He was previously a Principal at 645 Ventures, focusing on dev tools, security, and enterprise SaaS. Earlier he founded Smart Torvy, an open source and hardware home automation platform, and worked as a lead engineer at early-stage startups including Welcome Tech; he co-hosts the Latent Space podcast on AI.
- 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 β $6M.
- What companies has Alessio Fanelli invested in?
- Investments tracked here include Bigeye, Cube Dev, 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).
Same school
Also attended University of Rome Tor Vergata19
Lavinia FerriAssociate at P101 VenturesStefania PonzoPartner at Pi LabsKarla MoraFounder & Managing Partner at Alante CapitalGabriele RicciChief Data & Technology Officer at Takeda VenturesBen PittariManaging Director at GP BullhoundMichele CermelePartner at Proximity Capital
+ 13 more
Also attended John Cabot University13
Lorenzo CastelliCo-Founder and Managing Director at Alchimia InvestmentsJana IrisInvestor at Tq Ventures LlcBenjamin SteinVenture Partner at Chaos VenturesSean BrownAnalyst at VCFA GroupStan RudoiHead of Credit at XsollaKatya PourteymourGeneral Partner at Huntington Avenue Ventures
+ 7 more
Shared employers
Also worked at Nextgen Partners10
Kelly O'KaneInvestor at IVP (Institutional Venture Partners)RoseanneCo-founder at Renegade PartnersJocelyn KinseyPartner at DFJCollin WestManaging Partner at Ensemble VCCarey LaiCo-Founder & General Partner at Conductive VenturesAnarghya VardhanaGeneral Partner at Maveron
+ 4 more
Also worked at Welcome Technologies6
Emilio Diez BarrosoGeneral Partner at Bold Capital PartnersGardiner W. GarrardCo-Founder and Managing Partner at TTV CapitalSean SebastianGeneral Partner at Black Tech Nation VenturesMaria FergusonCFO at Black Tech Nation VenturesDami OsunanyaDirector at Open Opportunity FundClinton FoyManaging Partner at Crosscut Ventures
Also worked at Maker Studios Inc5
Also worked at YouTube86
Roelof BothaAdvisor & former Steward at Sequoia Capital; SpaceX board memberEllie HinkenInvestor at Khosla VenturesAyesha AroraVenture Partner at S32Kate MasonVenture Partner at AirTree VenturesDavid StewartVenture Partner at LiveOak VenturesBing ChenExecutive Office at Gold House Ventures
+ 80 more