Raviraj Jain
InvestorPartner at Lightspeed Venture Partners · Board director at Sampark · Board director at Fiddler Labs, Inc.
San Francisco Bay Area
Writes $25K – $20M checks · typically $15M
Find your path to Raviraj
198 people in our graph share verified history with Raviraj — schools, employers, funds. One of them is your warm intro.
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).
Contact· self-published, not guessed
Invests in
AI & Machine LearningConsumerEnterprise SoftwareFintechHealthtech
Board director at Sampark
Intro paths
In turn, Raviraj can intro founders to Sampark's investors below.
Sampark's investors · 3
Co-founders at Sampark
Board director at Fiddler Labs, Inc.
Intro paths
In turn, Raviraj can intro founders to Fiddler Labs, Inc.'s investors below.
Fiddler Labs, Inc.'s investors · 10
Co-founders at Fiddler Labs, Inc.


Experience
- Lightspeed Venture PartnersPartnercurrent2017 — presentSan Francisco Bay Area
- ReflectionAIMember, Board of Directorscurrent2024 — present
- Skild AIFounding Investor and Board Directorcurrent2023 — present
- Snorkel AIMember, Board of Directorscurrent2020 — presentSan Francisco Bay Area
- Dexterity, Inc.Founding Investor and Member, Board of Directorscurrent2017 — presentSan Francisco Bay Area
- Nirvana InsuranceFounding Investor and Member, Board Of Directorscurrent2021 — present
- TypefaceBoard Observercurrent2022 — presentSan Francisco Bay Area
- KeychainMember, Board of Directorscurrent2023 — presentNew York City Metropolitan 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
Skills & more
+8 more
Consumer InternetBusiness IntelligenceBusiness PlanningProduct MarketingEnterprise SoftwareAngel InvestingCross-functional Team LeadershipGo-to-market StrategyLanguages 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
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 School2,000
+ 1,994 more
Also attended Indian Institute of Technology, Bombay268
+ 262 more
Shared employers
Also worked at ReflectionAI8
+ 2 more
Also worked at Fiddler Labs8
+ 2 more
Also worked at Reliable Robotics Corporation5
Also worked at LinkedIn272
+ 266 more
























































