Fundraising Fox

Clemens Rawert

Founder

Founder at Langfuse

Berlin, Berlin, Germany

FoundedLangfuse · YC

About

Clemens Rawert worked at Scalable Capital, where he supported leadership through multiple growth phases and team scaling; he studied economic history and began doctoral research at Oxford before focusing on startups.

LinkedIn ↗X / Twitter ↗
Latest on 𝕏

Clemens Rawert @rawert

that wasn't on my bingo card https://t.co/VcVIahLXMO

Jul 30, 2026 · ♥ 2

Clemens Rawert @rawert

🎉🎉 https://t.co/b8MTliGa99 https://t.co/y5SjrojbFH

Jul 29, 2026 · ♥ 5 · ⇄ 1

Clemens Rawert @rawert

I'll be speaking at @ClickHouseDB user conference Open House in London at the end of September. Registrations are now open & I'm very much looking forward to being in 🇬🇧 - https://t.co/yjlrzjvAV9 https://t.co/YV8uBGUnkF

Jul 28, 2026 · ♥ 11 · ⇄ 2

Founder at LangfuseYC W23

Intro paths

YC

Clemens went through Y Combinator (Winter 2023) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Gustaf Alstromer — the partner who ran Langfuse's batch and knows the company first-hand. YC profile ↗

→

In turn, Clemens can intro founders to Langfuse's investors below.

Langfuse's investors · 4

General CatalystLa FamigliaLightspeed Venture PartnersY Combinator

Co-founders at Langfuse

MKMarc Klingen
Marc KlingenCo-Founder & CEO
MDMaximilian Deichmann
Maximilian DeichmannFounder

Experience

  1. Langfuse (YC W23)Co-Foundercurrent2022 — presentBerlin, Deutschland
  2. ClickHouseDirectorcurrent2026 — presentBerlin, Germany
  3. Scalable CapitalCEO Office2021 — 2022Munich / Berlin
  4. Scalable CapitalInvestment Management2020 — 2021München, Bayern, Deutschland
  5. The London School of Economics and Political Science (LSE)Pre-Doctoral Research Assistantship - Dr Jeremiah Dittmar | CEP2018 — 2019London, Großbritannien
  6. The London School of Economics and Political Science (LSE)Graduate Teaching Assistant2018 — 2019

Education

  1. University of OxfordStarted PhD Economic History, left after a year2019 — 2020
  2. The London School of Economics and Political Science (LSE)Master of Science - MS, Economic History2017 — 2018
  3. University of MannheimBachelor of Science - BS, Economics2013 — 2016
  4. Y CombinatorW232023

Skills & more

Entwickler-Tools11Generative KI11Künstliche Intelligenz (KI)10

Languages Deutsch · Englisch · Französisch

From Clemens's professional profile.

Founder mafias

Y Combinator mafia8,668

Also came through, then founded or led a company.

Sam AltmanPresidentFounded LooptFred EhrsamYC Summer 2012Founded CoinbaseMatt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded PursuitDelian AsparouhovYC Summer 2014Founded Nightingale +1Justin KanYC Winter 2018Founded Rye +3

+ 8,661 more

University of Oxford mafia203

Also came through, then founded or led a company.

Reid HoffmanM.St.Founded Manas AI +1Glen TullmanDiploma in Social AnthropologyFounded Transcarent +1Kevin HartzMstFounded Eventbrite +1Kulveer TaggarMAFounded Auctomatic +1Alex AtallahBing Overseas Study ProgramFounded OpenSea +1Marcus LimaMaster of Science - MScFounded Torus +1

+ 196 more

The London School of Economics and Political Science (LSE) mafia88

Also came through, then founded or led a company.

James J BesharaDevelopment Economics and International DevelopmentFounded Tilt +1Kyle MichelsonGovernment & GlobalizationFounded Getlabs +1Vicente ZavarceOtherFounded Yummy +1Tommy StadlenMSc (Distinction)Founded MeadowMin TeoInternational Human Rights Law and Practice Certificate CourseFounded Ethereal VenturesRobert StoeckerMaster of Science (MSc)Founded Forto

+ 81 more

University of Mannheim mafia4

Also came through, then founded or led a company.

Helen GerharzBachelor of Science - BSFounded MagmaticGordian BraunBachelor of Laws (LL.B.); Business Law & Business AdministrationFounded onetoolLeon HergertBachelor of Science (B. Sc.)Founded Spherecast

Same school

Also attended University of Oxford912

Reid HoffmanCo-founder of LinkedIn; Partner at GreylockMichael MoritzFormer Partner at Sequoia Capital; Senior Adviser at Sequoia HeritageBrad GerstnerFounder & CEO of Altimeter CapitalDominic JacquessonInvestor at Index VenturesErin Price-WrightInvestor at Index VenturesJan HammerInvestor at Index Ventures

+ 906 more

Also attended The London School of Economics and Political Science (LSE)933

Lee FixelFounder of AdditionPat GradyPartner at Sequoia CapitalNeil MehtaCo-founder & Managing Partner at GreenoaksCyriac ParisotInvestor at Index VenturesSofia DolfeInvestor at Index VenturesJonas VetterleInvestor at Moonfire Ventures

+ 927 more

Also attended University of Mannheim80

Nicolas MetzkeInvestor at DaphniAmy ZhaoSpecialist Advisor, Web3 at Openspace VenturesLukas GenteleCEO, vCluster at EMERGENT VENTURESTashrik AhmedInvestor at OMERS VenturesMira KampPrincipal & Managing Director Germany at redalpineZiheng LiInvestor at Saison Capital

+ 74 more

Also attended Y Combinator2,000

Leo LuInvestor at Foundation CapitalMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesVictor SantosVictor Scout at One Way VenturesSwapnil JainCEO, Observe.AI at EMERGENT VENTURESChase AdamPartner at Very Serious Ventures

+ 1,994 more

Shared employers

Also worked at Langfuse (YC W23)2

Marc KlingenCo-Founder & CEO at LangfuseMaximilian DeichmannFounder at Langfuse

Also worked at ClickHouse21

Peter FentonGeneral Partner at BenchmarkByron DeeterPartner at Bessemer Venture PartnersMike VolpiInvestor at Index VenturesCack WilhelmInvestor at IVP (Institutional Venture Partners)Kevin EganInvestor at IVP (Institutional Venture Partners)Dharmesh ThakkerGeneral Partner at Battery Ventures

+ 15 more

Also worked at Scalable Capital9

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

+ 3 more

Also worked at The London School of Economics and Political Science (LSE)26

Reid HoffmanCo-founder of LinkedIn; Partner at GreylockJonas VetterleInvestor at Moonfire VenturesMagda PoslusznyPrincipal at Partech VenturesAndrew WhitingPartner at Partech VenturesLewis PinaultChief Scientist at Airbus VenturesSonali De RyckerPartner at Accel

+ 20 more