Video game streamer and content creator who attracted a sizable fan base to his One F Jef YouTube channel. He became best known for his Let's Play recordings which he shares with over 60,000 subscribers.
In December 2009, he uploaded his earliest YouTube clip titled Let's Play Dwarf Fortress: Adventure Mode - 01 (The Beginning).
His first video to exceed 750,000 views was 2010's Let's Play Euro Truck Simulator.
He's been based in the state of Oregon.