Mastering engineer at [l=The Exchange], London and now at [l=The Exchange Mike Marsh Mastering], Devon.
Joined The Exchange in 1986 where he was actively involved in the construction of the studios.
Can be often found credited as "Mike @ The Exchange" in the run-out grooves of vinyl records.
http://www.exchangemastering.co.uk/mike.htm
http://www.mikemarshmastering.co.uk