Fundraising Fox

Arun Thulasidharan

Founder

Founder at Castled.io

San Francisco, California, United States

FoundedCastled.io · YC

About

Arun Thulasidharan was an early engineer at MediaIQ and Hevodata, and previously worked at Flipkart and Applied Materials.

Founder at Castled.ioYC W22

Intro paths

YC

Arun went through Y Combinator (Winter 2022) — any YC alum in your network can reach them through the YC community.

→

In turn, Arun can intro founders to Castled.io's investors below.

Castled.io's investors · 1

Y CombinatorSan Francisco · $500K checks · since 2022

Co-founders at Castled.io

MSManish Singh
Manish SinghFounder
FGFranklin George
Franklin GeorgeFounder
ATAbhilash Thulaseedharan
Abhilash ThulaseedharanFounder

Experience

  1. SignalFXBuilding Signalscurrent2026 — presentSan Francisco, California, United States
  2. Hevo DataEntrepreneur in Residence2025 — 2026San Francisco, California, United States
  3. Castled.ioCo-Founder & CEO2021 — 2025San Francisco, California, United States
  4. Hevo DataSoftware Architect2018 — 2021Bengaluru, Karnataka, India
  5. FlipkartSDE32017 — 2018Bengaluru Area, India
  6. FlipkartSDE22015 — 2017Bengaluru, Karnataka, India
  7. MEDIA iQ Digital LtdSenior Software Developer2013 — 2015Bengaluru, Karnataka, India
  8. Applied MaterialsSenior Software Engineer2010 — 2013Bangalore

Skills & more

Software Development21Object Oriented Design26C++20Software Engineering2Multithreading3Java3Software Design2OOP2XML3Algorithms3Debugging1ClearCase
+9 moreVisual StudioJavaScriptJavaScript LibrariesSpringSQLHTMLData StructuresC (Programming Language)C

From Arun's professional profile.

Frequently asked questions

Who is Arun Thulasidharan?
Arun Thulasidharan was an early engineer at MediaIQ and Hevodata, and previously worked at Flipkart and Applied Materials.
Where does Arun Thulasidharan work?
Arun Thulasidharan is Founder of Castled.io.
What companies did Arun Thulasidharan found?
Arun Thulasidharan founded Castled.io.
Where did Arun Thulasidharan go to school?
Arun Thulasidharan studied at Y Combinator (W22).

Founder mafias

Y Combinator mafia8,773

Also came through, then founded or led a company.

Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1

+ 8,766 more

Y Combinator mafia4,716

Also came through, then founded or led a company.

Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyDarius "Bubs" MonsefS19Founded Sightbox +3Matthew ScholzFounded Oisin Biotechnologies +3

+ 4,709 more

Flipkart mafia16

Also came through, then founded or led a company.

Surojit ChatterjeeSenior Vice President and Head of ProductFounded Ema +1Akshay LalProductFounded PlaymentAnurag BhattSenior ManagerFounded SprintAIPrashant KumarSupply Chain AnalystFounded zingbusMohit PrateekAnalystFounded AnakinRahul MadadiManagement InternFounded Byte Kitchen

+ 9 more

SignalFx mafia4

Also came through, then founded or led a company.

Ben HorowitzBoard Director (Andreessen Horowitz)Founded OpswareMaxim LukichevDirector Of EngineeringFounded TelmaiAbhilash ThulaseedharanBuilding SignalFXFounded Castled.io

Hevodata mafia3

Also came through, then founded or led a company.

Manish SinghSoftware ArchitectFounded Castled.ioAbhilash ThulaseedharanEntrepreneur in ResidenceFounded Castled.io

Same school

Also attended Y Combinator2,000

Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesCollin WallaceGeneral Partner at Lobby Capital

+ 1,994 more

Shared employers

Also worked at SignalFX1

Abhilash ThulaseedharanFounder at Castled.io

Also worked at Hevo Data7

Saloni VermaAssociate at Info Edge VenturesAnirvan BordoloiFund Manager at Big Red VenturesRishabh BardiaInvestor at Premji InvestAnandamoy RoychowdharyManaging Director, India & APAC at Crane Venture PartnersTejeshwi SharmaManaging Director at Sequoia Capital IndiaManish SinghFounder at Castled.io

+ 1 more

Also worked at Castled.io3

Manish SinghFounder at Castled.ioFranklin GeorgeFounder at Castled.ioAbhilash ThulaseedharanFounder at Castled.io

Also worked at Flipkart43

Binny BansalCo-founder of Flipkart; co-founder of PhonePe and OppDoorSandeep PatilPartner, Head of Asia-Pacific at QED InvestorsNitin SethChief Executive Officer (Incedo) at Mission HoldingsManpreet RatiaManaging Partner, Portfolio Success at Jungle VenturesNishit GargPartner, Asia at RTP GlobalBabu VittalPeople & HR Practice Leader at RTP Global

+ 37 more