CEO, Managing Director
Tatu Viherma
tatu.viherma@sim.fi
+358 207 444 704  
Founder
Jyri Viherma
jyri.viherma@sim.fi
+358 207 444 703  
Director of International Marketing and Sales
Karina Viherma
karina.viherma@sim.fi
+358 207 444 702