Fundraising Fox

Lukas Postulka

Founder

Co-Founder & CTO at Walter

United States

FoundedWalter · YC

About

Lukas Postulka previously worked as a quantitative trader and studied at Technical University of Munich (TUM). He was a fellow in the Z Fellowship program.

LinkedIn ↗

Co-Founder & CTO at WalterYC X26

Intro paths

YC

Lukas 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, Lukas can intro founders to Walter's investors below.

Walter's investors · 7

Category VenturesHaystackPanache VenturesRRE VenturesTechstarsUncork CapitalY Combinator

Co-founders at Walter

NKNikolas Keller
Nikolas KellerCo-Founder & CEO

Experience

  1. Walter (YC X26)CTOcurrent2026 — presentVereinigte Staaten von Amerika
  2. Scalable CapitalQuantitative Trading | Market Making2025München, Bayern, Deutschland
  3. Scalable CapitalFull Stack Software Developer2024 — 2025München
  4. PwCSoftware Developer2023 — 2024München
  5. La FamigliaFrontend Software Developer2023Munich
  6. DenodoData Engineer2022 — 2023München
  7. Qudosoft GmbH & Co. KGIT2021 — 2022Berlin, Deutschland

Education

  1. Y CombinatorP26
  2. Technical University of MunichB.Sc., CS
  3. Z Fellows

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 Technical University of Munich182

Daan BoekhoudtInvestment Analyst at Cottonwood Technology FundJulian von EckartsbergManaging Director Europe at Burda Principal InvestmentsHannes Voucko-GlocknerInvestment Analyst at Burda Principal InvestmentsThomas MeierPartner, Head of Resilience in Energy & Resources Investments at Verve VenturesNiklas Born de AndrésInvestment & Product Intern at Kibo VenturesItziar EstevezPartner - Growth at Iris Capital

+ 176 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

Shared employers

Also worked at Walter (YC X26)1

Nikolas KellerCo-Founder & CEO at Walter

Also worked at Scalable Capital8

Rainer MärkleGeneral Partner at HV CapitalJannis FettInvestor at HV CapitalArtem ZhuravlevCommunications Manager at SpeedinvestChristian MieleInvestor at HeadlineChristian WinterGeneral Partner at TEV VenturesLuisa MüllerInvestment Analyst at Future Energy Ventures

+ 2 more

Also worked at PwC953

David PhuController at Felicis VenturesTianen LiangTax Controller at Felicis VenturesJanet WolpertInvestor at Index VenturesAryo TehranianManaging Director at Mayfair Equity PartnersAne Tolnes HaugdalInvestor at InvestinorEgilInvestor at Investinor

+ 947 more

Also worked at La Famiglia11

Jeannette zu FürstenbergPresident & Managing Director at General CatalystChristian MieleInvestor at HeadlineRobert LacherFounding Partner at Visionaries ClubJudith DadaGeneral Partner at Visionaries ClubTimon SchneiderInvestment Team Fellow at Amino CollectiveCarlo P.Investor at Hiro Capital

+ 5 more