Jon Anthony DeRosa (born December 21, 1978) is an American musician and singer-songwriter.

He has been involved with several musical acts, including Dead Leaves Rising, Pale Horse and Rider, and as well as his solo-project known as Aarktica.

[2] His most recent solo album Black Halo was released on May 25, 2015, on Rocket Girl Records.

[3] The album was produced by longtime collaborator Charles Newman and features a song co-written by Stephen Merritt of The Magnetic Fields.

Their recordings featured a variety of performers in supporting roles, including Alan Sparhawk (Low), Nathan Amundson (Rivulets), Charles Newman (Flare, Mother West), Paul Oldham (Palace Brothers) and Mike Pride.