Raviraj Jain
InvestorFounderPartner at Lightspeed Venture Partners · Board director at Sampark · Board director at Fiddler Labs, Inc.
San Francisco Bay Area
Writes $25K – $20M checks · typically $15M
About
Raviraj Jain, trained physicist who bootstrapped a hardware startup, evaluates AI and robotics from first principles, offering founder-empathetic advice and focusing on AI infrastructure and physical-world automation (Dexterity, Skild AI).
Invests in
AI & Machine LearningConsumerEnterprise SoftwareFintechHealthtech
Board director at Sampark
Intro paths
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In turn, Raviraj can intro founders to Sampark's investors below.
Sampark's investors · 3
Co-founders at Sampark
KV
Karan VaidyaExecutive Officer, Director
SG
Soham GanatraExecutive Officer, Director
Board director at Fiddler Labs, Inc.
Intro paths
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In turn, Raviraj can intro founders to Fiddler Labs, Inc.'s investors below.
Fiddler Labs, Inc.'s investors · 10
BGVSilicon Valley · since 2025Dallas Venture CapitalDallas · since 2025Dentsu VenturesTokyo · since 2025Insight PartnersNew York · $120M – $350M checks · since 2025LDV PartnersPalo Alto · since 2025Lightspeed Venture PartnersMenlo Park · $1.7M – $87M checks · since 2025Lux CapitalNew York · $100K – $100M checks · since 2025Mozilla Venturessince 2025Red Glass VenturesMenlo Park · since 2024RPS VenturesLos Altos · $5M – $20M checks · since 2025
Co-founders at Fiddler Labs, Inc.
AP
Amit PakaExecutive Officer, Director
KG
Krishna GadeExecutive Officer, Director
Experience
- Lightspeed Venture PartnersPartnercurrent2017 — presentSan Francisco Bay Area
- ReflectionAIMember, Board of Directorscurrent2024 — present
- Skild AIFounding Investor and Board Directorcurrent2023 — present
- Nirvana InsuranceFounding Investor and Member, Board Of Directorscurrent2021 — present
- Snorkel AIMember, Board of Directorscurrent2020 — presentSan Francisco Bay Area
- Dexterity, Inc.Founding Investor and Member, Board of Directorscurrent2017 — presentSan Francisco Bay Area
- KeychainMember, Board of Directorscurrent2023 — presentNew York City Metropolitan Area
- TypefaceBoard Observercurrent2022 — presentSan Francisco Bay Area
- Fiddler LabsMember, Board of Directorscurrent2020 — presentSan Francisco Bay Area
- Reliable Robotics CorporationMember, Board of Directorscurrent2020 — presentSan Francisco Bay Area
- TonkeanMember, Board Of Directors2020 — 2026San Francisco Bay Area
- LinkedInProduct Management2013 — 2016San Francisco Bay Area
- Hellointern.comCo-Founder2006 — 2012
- Monitor DeloitteManagement Consultant2008 — 2010
Education
- Harvard Business SchoolMBA, General Management/Tech Entrepreneurship
- Indian Institute of Technology, BombayB.Tech
Skills & more
Enterprise Software5Venture Capital56Start-ups99Entrepreneurship99Product Management45Business Strategy63Strategy39Product Development33Competitive Analysis19Management19Mobile Devices16Business Development14
+12 more
Strategic ConsultingConsumer InternetBusiness IntelligenceBusiness PlanningProduct MarketingAngel InvestingCross-functional Team LeadershipGo-to-market StrategyStrategy DevelopmentIndustry AnalysisProduct LaunchEmerging MarketsLanguages English · Hindi
From Raviraj's professional profile.
Deals · 2
Fiddler Labs, Inc.Board seat
via Lightspeed Venture Partners · filed Mar 2026 · $35M raise
SamparkBoard seat
via Lightspeed Venture Partners · filed Apr 2025 · $24.5M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Board seats
Per SEC Form D filings.
Colleagues at Lightspeed Venture Partners
Aaron Batalion
General Partner at Lightspeed Venture Partners
Adam Goldberg
Investments at Standard Crypto
Aditya Sharma
Partner, Growth Equity - India & Asia - Pacific at Lightspeed Venture Partners
Akshay Bhushan
Venture Partner at Lightspeed Venture Partners
Alexander Schmitt
Partner at Lightspeed Venture Partners
Anoushka Vaswani
Partner at Lightspeed Venture Partners
Antoine Moyroud
Partner at Lightspeed Venture Partners
Arif Janmohamed
Partner at Lightspeed Venture Partners
Network2
Investors connected to Raviraj in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Raviraj Jain?
- Raviraj Jain, trained physicist who bootstrapped a hardware startup, evaluates AI and robotics from first principles, offering founder-empathetic advice and focusing on AI infrastructure and physical-world automation (Dexterity, Skild AI).
- Where does Raviraj Jain work?
- Raviraj Jain is Partner at Lightspeed Venture Partners and Board director at Sampark and Board director at Fiddler Labs, Inc..
- What does Raviraj Jain invest in?
- Raviraj Jain invests in AI & Machine Learning, Consumer, Enterprise Software, Fintech, Healthtech.
- What check size does Raviraj Jain write?
- Raviraj Jain typically writes checks of $25K – $20M.
- What boards does Raviraj Jain sit on?
- Raviraj Jain holds tracked board seats at Dexterity, Fiddler Labs, Inc., Sampark.
- Where did Raviraj Jain go to school?
- Raviraj Jain studied at Harvard Business School (MBA, General Management/Tech Entrepreneurship); Indian Institute of Technology, Bombay (B.Tech).
Same school
Also attended Harvard Business School1,977
Brad GerstnerFounder & CEO of Altimeter CapitalAileen LeeFounder & Managing Partner of Cowboy VenturesJim BreyerFounder & CEO of Breyer CapitalTim DraperFounder of Draper AssociatesMike Maples JrCo-founding Partner at FloodgateMamoon HamidPartner at Kleiner Perkins
+ 1,971 more
Also attended Indian Institute of Technology, Bombay146
Harsh ShahVenture Partner at FJ LabsSandeep PatilPartner, Head of Asia-Pacific at QED InvestorsUrsheet ParikhInvestor in AI, Enterprise Infrastructure, and Human & Planetary Health at MayfieldArpit BeriManaging Partner, India at Jungle VenturesVishesh SharmaPrincipal, India at Jungle VenturesRanvita AgrawalSenior Associate, India at Jungle Ventures
+ 140 more
Shared employers
Also worked at ReflectionAI10
Stephanie ZhanInvestor at Sequoia CapitalMax GazorInvestor at Striker Venture PartnersBrian ZhanInvestor at Striker Venture PartnersDaisy CaiGeneral Partner at B4 CapitalDharmesh ThakkerGeneral Partner at Battery VenturesAdriel SaportaVenture Fellow at SHAKTI
+ 4 more
Also worked at Fiddler Labs8
RaghuInvestor at Eudemian VenturesRavish AilinaniPartner at Dallas Venture CapitalMark KimInvestor at Samsung NextAnshul AgarwalPartner at LG Technology VenturesArnaud de ScorbiacPartner at IsaiWally WangGeneral Partner at SAV (Scale Asia Ventures)
+ 2 more
Also worked at Reliable Robotics Corporation6
Also worked at LinkedIn179
Peter ThielCo-founder & Partner at Founders FundReid HoffmanCo-founder of LinkedIn; Partner at GreylockKeith RaboisManaging Director at Khosla VenturesDavid SzeAdvisory Partner at GreylockJeremy LevinePartner at Bessemer Venture PartnersDylan FieldCo-founder, CEO & Chair of Figma
+ 173 more