(Gresham, OR) -- A Gresham firefighter who was critically injured battling a duplex fire will return to work today. It was nearly a year ago that Spencer Tejedas was inside of a burning duplex when fire exploded around him as he was trying to get out. He suffered burns to 45 percent of his body. Tejedas will work in an administrative role at the training academy. He'll mentor new recruits.