Jonathan George Fox is an English, Sheffield based musician and artist.

He currently releases music under the names: Power Therapy, Sentry and Flight Coda. He also plays guitar in the band Scum Bastard.

His past projects include Foundling (RIP) and Aches (RIP) and has played in bands Unicorn Desert Strap and Bad People. He has co-run the Proto Sites label and released music on labels such as videogamemusic, Seagrave, Exitab and ACR since 2011.