Fundraising Fox

Pietari Virkkunen

Founder

Co-founder at Last Accounting Company

Helsinki, Uusimaa, Finland

FoundedLast Accounting Company · YC

About

Pietari Virkkunen is co-founder of Last Accounting Company. He holds an M.Sc. in Industrial Engineering and Management from Aalto University and has prior experience in technology, private equity, and venture capital.

LinkedIn ↗

Co-founder at Last Accounting CompanyYC S26

Intro paths

YC

Pietari went through Y Combinator (Summer 2026) — 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 Last Accounting Company's batch and knows the company first-hand. YC profile ↗

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In turn, Pietari can intro founders to Last Accounting Company's investors below.

Last Accounting Company's investors · 1

Y Combinator

Co-founders at Last Accounting Company

RKRiki Karjalainen
Riki KarjalainenCo-Founder
SLSami Laakkonen
Sami LaakkonenFounder
VPVeikko Pere
Veikko PereFounder

Experience

  1. LAC (YC S26)Co-Foundercurrent2026 — present
  2. Mandatum Asset ManagementPE2026
  3. SlushResearch2026
  4. Maki.vcVC2025
  5. SievoPresales Solution Consultant2023 — 2024
  6. Aalto UniversityResearch Assistant2022 — 2023

Education

  1. Y Combinator
  2. Aalto UniversityM.Sc. – Industrial Engineering and Management
  3. National University of SingaporeM.Sc. – International Exchange
  4. Aalto UniversityB.Sc. – Information Networks
  5. Tampere UniversityB.Arch. – Architecture

Skills & more

Languages English · Finnish · French · Swedish

From Pietari'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

National University of Singapore mafia63

Also came through, then founded or led a company.

Mike MoradiLeadershipFounded SensulinKelvin KohBachelor of Business Administration (B.B.A.)Founded SpartanSheila GoodmanInternational Business LawFounded VillageglobalHolger WagnerSemester AbroadFounded nextract energyRobin BudigSemester AbroadFounded nextract energyArye LipmanMolecular Genetics and ImmunologyFounded Biosphere

+ 56 more

Aalto University mafia14

Also came through, then founded or led a company.

Pauliina MeskanenBachelor’s DegreeFounded CalectraAlbert NazanderMaster of ScienceFounded Meru HealthGabriele MusellaMAFounded CoinruleJaakko RauhalaMaster of Science (Tech.)Founded Kapacity.ioRami El GeneidyMaster’s DegreeFounded Kapacity.ioAshish AgarwalStudy Abroad ExperienceFounded SigmaMind AI

+ 7 more

Tampere University mafia3

Also came through, then founded or led a company.

Ankur DahamaMaster's degreeFounded UserlensHai TaMaster of Science - MSFounded Userlens

Same school

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

Also attended Aalto University91

Patrik BackmanGeneral Partner at OpenOceanMirva LaatunenSenior Investment Associate at OpenOceanTony NystenPartner at OpenOceanElina HolkkoPartner and CFO at Lifeline VenturesMohammad Zuhair KhanTrainee / Data Engineer at Lifeline VenturesTeemu MattilaPartner at Lifeline Ventures

+ 85 more

Also attended National University of Singapore307

Justin HallPartner at Golden Gate VenturesMahati SridharPartner, Rise of the Rest at RevolutionCeline XiaoInvestor at DN CapitalSofia DahouneInvestor at DaphniYi Min LohInvestment Associate at Burda Principal InvestmentsSean LooInvestment Analyst at Burda Principal Investments

+ 301 more

Also attended Tampere University4

Ramin VatanparastAdvisor - Enterprise Technology at Augment VenturesTanu-Matti TuominenCo-founder, Partner and Head of Investor Relations at IPR.VCAnkur DahamaFounder at UserlensHai TaFounder at Userlens

Shared employers

Also worked at LAC (YC S26)4

Max LarssonInvestments at Wave VenturesRiki KarjalainenCo-Founder at Last Accounting CompanySami LaakkonenFounder at Last Accounting CompanyVeikko PereFounder at Last Accounting Company

Also worked at Mandatum Asset Management1

Mika UotilaManaging Partner at Sentica Partners Oy

Also worked at Slush25

Timo AhopeltoSerial tech entrepreneur and early-stage investor running Lifeline VenturesPetteri KoponenFounding Partner at Lifeline VenturesMaija MuntilaTalent Lead at Lifeline VenturesKonradInvestment Team at Hummingbird VenturesIlkka KivimäkiFounding Partner & Advisor at Maki.vcPauliina MartikainenManaging Partner at Maki.vc

+ 19 more

Also worked at Maki.vc9

Ilkka KivimäkiFounding Partner & Advisor at Maki.vcPirkka PalomäkiFounding Partner at Maki.vcPauliina MartikainenManaging Partner at Maki.vcPaavo RäisänenGeneral Partner at Maki.vcWilson TukiainenInvestment Manager at Maki.vcAnette KinnunenOfficer Manager & Executive Assistant at Maki.vc

+ 3 more