Aleksi Sihvonen is the current vocalist for the Finnish band Medicated.
He replaced Norther's vocalist Petri Lindroos in 2009, until the group disbanded in 2012.
Aleksi features on Scottish metal band Hellbound 's first EP, along with Heikki Saari of Norther.
He also features on Serbian melodic death metal band Sangre Eterna 's album Asphyxia on the song The Masquerade.
In 2012, Aleksi performed vocals on Canadian band Chariots of the Gods' song Unbound off their album and single entitled Tides of War.