Bob Katz is an audio mastering engineer who is known for his influential textbook on audio mastering and his recording of jazz and classical music. Katz has mastered three Grammy award-winning albums and one nominated album. He has received high critical acclaim from audiophiles and his book on mastering has received high critical acclaim, and some reviewers consider it the "definitive work on mastering". He is also one of the most "respected mastering engineers in the business."  He has also invented a proprietary technology called K-Stereo and K-Surround. These processes "recover lost or amplify hidden ambience, space and imaging, and generate stereo from mono signals without adding artificial reverberation."

Katz taught at the Institute of Audio Research from 1978 to 1979. In 1988, Katz joined Chesky Records and began recording jazz and classical artists there, as well as producing the world's first oversampled commercial recordings. In 1990, he founded an audio mastering company called Digital Domain, where he continues to work.

Grammy Awards

Grammy Award-Winning Albums mastered by Bob Katz:
• 1985: Ben Kingsley, The Words of Gandhi
• 1997: Paquito D'Rivera, Portraits of Cuba
• 2001: Olga Tañon, Olga Viva, Viva Olga