When Ojansivu turned sixteen years old he didn't go to Kuortane like many promising junior players do.

He stayed in Vammala and started training in Finnish league team Vammalan Lentopallo.

He played his first game in Finnish Champion league at the age of 16 in season 2004.

After the season Finnish volleyball federation chose him as the best newcomer in the league.

After many seasons in Vammala Ojansivu made contract with Pielaveden Sampo.