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Sina Helmke
Active roles
3
Companies
1
Business start
2019
Active roles
4changemakers OÜ
Registered
Shareholder
since 01.09.2023
· 50%
Board member
since 26.11.2019
Founder
since 18.11.2019
Shared network
SH
Sina Helmke
4changemakers OÜ
Héctor Fernan…