Riki Karjalainen
FounderCo-Founder at Last Accounting Company
San Francisco Bay Area
FoundedLast Accounting Company · YC
Find your path to Riki
321 people in our graph share verified history with Riki — schools, employers, funds. One of them is your warm intro.
About
Riki Karjalainen is co-founder of Last Accounting Company and previously worked on data infrastructure at Token Terminal. He studied applied mathematics at Aalto University.
Co-Founder at Last Accounting CompanyYC S26
Intro paths
Riki went through Y Combinator (Summer 2026) — any YC alum in your network can reach them through the YC community.
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 ↗
In turn, Riki can intro founders to Last Accounting Company's investors below.
Last Accounting Company's investors · 3
Co-founders at Last Accounting Company
Experience
- LAC (YC S26)Co-Foundercurrent2026 — present
- Token TerminalData Engineer2025 — 2026
- Token TerminalResearch Analyst2022 — 2023
- Stealth StartupCo-Founder2021 — 2023
Frequently asked questions
- Who is Riki Karjalainen?
- Riki Karjalainen is co-founder of Last Accounting Company and previously worked on data infrastructure at Token Terminal. He studied applied mathematics at Aalto University.
- Where does Riki Karjalainen work?
- Riki Karjalainen is Co-Founder of Last Accounting Company.
- What companies did Riki Karjalainen found?
- Riki Karjalainen founded Last Accounting Company.
- Where did Riki Karjalainen go to school?
- Riki Karjalainen studied at Aalto University (Master of Science - MS, Applied Mathematics); Y Combinator (S26); Aalto University (Bachelor of Science - BS, Engineering Physics and Mathematics).
Founder mafias
Y Combinator mafia10,230
Also came through, then founded or led a company.
+ 10,223 more
Aalto University mafia59
Also came through, then founded or led a company.
+ 52 more
Token Terminal mafia2
Also came through, then founded or led a company.
Same school
Also attended Aalto University176
+ 170 more
Also attended Y Combinator2,000
+ 1,994 more
Shared employers
Also worked at LAC (YC S26)4
Also worked at Token Terminal2
Also worked at Stealth Startup483
+ 477 more