Ralf Scheepers is a German singer, the lead vocalist for the heavy metal band Primal Fear. He has also sung in Gamma Ray and Tyran' Pace. Scheepers has also provided guest vocals for the bands Avantasia, Xandria, Scanner, Therion, Ayreon and Shadow Gallery, and worked with Tom Galley on Phenomena's Blind Faith album. He currently provides instruction for all around singing, music, studio and recording/processing techniques at the RS Vocal Works in Baltmannsweiler, Germany. Writer Paul Stenning has described him as "the greatest example of strength in metal."