About
Nikolas Keller worked as the first hire at an AI-focused manufacturing startup and has prior experience in high-end restaurant kitchens across France, Italy, and Germany. He attended CDTM and is a Z Fellow.
Co-Founder & CEO at WalterYC X26
Intro paths
YC
Nikolas went through Y Combinator (Spring 2026) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Harj Taggar, General Partner at Y Combinator — the partner who ran Walter's batch and knows the company first-hand. YC profile ↗
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In turn, Nikolas can intro founders to Walter's investors below.
Walter's investors · 7
Co-founders at Walter
LP
Lukas PostulkaCo-Founder & CTO
Experience
- Walter (YC P26)CEOcurrent2026 — presentUnited States
- Limrun (YC P26)Angelcurrent2026 — present
- AsterAngelcurrent2026 — present
- Stealth StartupAngelcurrent2026 — present
- DryftIntern2025San Francisco, California, United States
- RestaurantsCook2023 — 2025Côte d'Azur & Munich
Education
- Y Combinator
- Z Fellows
- Center for Digital Technology and Management (CDTM)
Same school
Also attended Y Combinator1,463
Akshat GoenkaInvestor at Moonfire VenturesJon XuGeneral Partner at Y CombinatorTed ChaiAssociate at Scale Venture PartnersLeo LuInvestor at Foundation CapitalMaroof AhmedFounder at Octopus VenturesYusuf SherwaniCo-Founder and CEO at Pelago; a Londoner living in New York City
+ 1,457 more
Also attended Z Fellows13
Cory LevyInvestor at NZVCTeddy LiFounder, CEO at NophinDaksh GuptaFounder at GreptileVaishant KameswaranFounder at GreptileJarren ReidFounder at UsulAdrian BarbirFounder at Doe
+ 7 more
Also attended Center for Digital Technology and Management (CDTM)27
Gabriel MatuschkaPartner at Fly VenturesAnselm BauerCo-Founder at Alasco at PICUS CAPITALSebastian SchuonCo-Founder at Alasco at PICUS CAPITALFabian GrunerInvestor at HV CapitalNelly MarkovaPartner - Molten East at Molten VenturesDavid WehnerSenior Investment Manager at SHS Capital
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+ 21 more
Shared employers
Also worked at Walter (YC P26)1
Also worked at Limrun (YC P26)1
Also worked at Stealth Startup220
Andrew ChenGeneral Partner at Andreessen HorowitzErica VanInvestment Director at Intel CapitalHemamAdvisor at Clear VenturesHamish GarnettAssociate at Manta Ray VenturesFranz KoflerInvestor at Next Frontier CapitalGüimar Vaca SitticVenture Partner at FJ Labs
+ 214 more