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Sebastian Wallin

Founder

Founder/CTO at Castle

Greater Malmö Metropolitan Area

FoundedCastle · YC

Find your path to Sebastian

10,278 people in our graph share verified history with Sebastian — schools, employers, funds. One of them is your warm intro.

Shardul ShahunlockedSebastian: together at Castle (2019–2026)
×2Sebastian: together at Castle
×2Sebastian: together at Neo Technology
×2Sebastian: together at SonyEricsson Mobile Communications

About

Sebastian Wallin is co-founder of Castle and an angel investor. His work focuses on using software and design to make complex technology more accessible.

Founder/CTO at CastleYC W16

Intro paths

YC

Sebastian went through Y Combinator (Winter 2016) — any YC alum in your network can reach them through the YC community.

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In turn, Sebastian can intro founders to Castle's investors below.

Castle's investors · 8

Boost VCSan Mateo · $500K checksF-Prime CapitalCambridge · $3M – $10M checksFirst Round CapitalSan Francisco · $1M – $7M checksIndex VenturesSan Francisco · $540K – $10.8M checks · since 2019SparkLabs Global VenturesPalo AltoWalking VenturesLondon · $500K – $1.3M checksWinklevoss CapitalNew York · $100K – $5M checksY CombinatorSan Francisco · $500K checks · since 2016

Co-founders at Castle

JBJohan Brissmyr
Johan BrissmyrFounder/CEO

Experience

  1. CastleCo-Foundercurrent2014 — presentMalmo, Skåne County, Sweden
  2. PopdevelopCo-founder2010 — 2016
  3. UserbinCo-founder2013 — 2014Malmö
  4. Neo TechnologyContractor2013
  5. ENEA Services ABEmbedded Software Contractor2007 — 2011
  6. SonyEricsson Mobile CommunicationsDevelopment Engineer2006 — 2007
  7. Axis CommunicationsMaster thesis worker2005

Skills & more

Embedded SystemsCCoffeeScriptGitRubyRuby on RailsJavaScriptCSS3HTML 5EmacsjQueryBackbone.js
+12 moreEmbedded SoftwareEmbedded LinuxGCCGNU DebuggerSASSHAMLHerokuAngular.jsRTOSLinuxDevice DriversClearCase

From Sebastian's professional profile.

Frequently asked questions

Who is Sebastian Wallin?
Sebastian Wallin is co-founder of Castle and an angel investor. His work focuses on using software and design to make complex technology more accessible.
Where does Sebastian Wallin work?
Sebastian Wallin is Founder/CTO of Castle.
What companies did Sebastian Wallin found?
Sebastian Wallin founded Castle.
Where did Sebastian Wallin go to school?
Sebastian Wallin studied at Y Combinator (W16 batch); The Faculty of Engineering at Lund University (M.Sc., Electrical Engineering).

Founder mafias

Same school

Shared employers