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Riki Karjalainen

2x founder

Riki Karjalainen

CTO at Last Accounting Company

Co-founderLast Accounting Company logoLast Accounting Company· Summer 2026San Francisco Bay Area
in LinkedIn
2026Co-founder· LAC (YC S26)
Founder · since 2021
Company
LAC (YC S26)
Role
Co-Founder & CTO
current
Stage
—
no public source
Raised
—
no public source
Based
—
Founder / co-founder — the company's markEmployee / research role
Source: LinkedIn work history
Profile coverage5 of 7 · missing posts, contact
Last Accounting Company logo
Last Accounting Company

Agent-native accounting firm.

Summer 2026

Experience

Career

  • LAC (YC S26) logo

    LAC (YC S26)

    Co-founder

    Co-Founder & CTO · 2026 – Present

    2026
  • Token Terminal logo

    Token Terminal

    Data Engineer · 2025 – 2026

    2025
  • Token Terminal logo

    Token Terminal

    Research Analyst · 2022 – 2023

    2022
  • Stealth Startup logo

    Stealth Startup

    Co-founder

    Co-Founder · 2021 – 2023

    2021

Bio

Co-Founder at Last Accounting Company. Previously built petabyte-scale data infrastructure at Token Terminal. Applied Mathematics at Aalto University.