John-Paul Braddock is a UK based mastering engineer at Formation Audio and is the co-chair of the Audio Engineering Society's Mastering Group.

Russ Hepworth-Sawyer is a mastering engineer for MOTTOsound, teaches part time at York St John University, UK, and is the co-chair of the Audio Engineering Society's Mastering Group.

Jay Hodgson is a mastering engineer at MOTTOsound and a professor of popular music studies at Western University, Canada.

Matthew Shelvock made the transformation from session musician to mastering scholar, but is currently leading business affairs for Chillhop, the well-known lo-fi hip hop radio and label.

Professor Rob Toulson is a leading scholar in the field of music production and is the CEO of RTSixty Limited, the company behind music based applications such as variPlay, iDrumTune Pro and Drummer ITP.

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