Mark Piro is the founder of Analog Spark, the audiophile imprint of Razor & Tie focused on the reissue of classic and acclaimed albums on 180-gram vinyl and SACD. The label insists on using the original master tapes, best mastering engineers and pressing plants to ensure that their releases are of the highest quality. In doing so, Analog Spark has established itself as one of the preeminent audiophile reissue labels in the country.

Recent releases have included Blind Melon’s Soup, Ben Folds Five’s The Unauthorized Biography Of Reinhold Messner, The Cranberries' Everybody Else Is Doing It, So Why Can’t We? and the 60th anniversary reissue of Ella Fitzgerald Sings The Cole Porter Song Book.

Also a musician in his own right, Mark Piro also regularly plays piano at New York City venue Sid Gold's Request Room.