Adam Michael Sieff (born April 1954) is a British music consultant and head of sales and marketing for Gearbox Records which specialises in the release on vinyl of audiophile editions of previously unheard jazz recordings.
Adam Michael Sieff (born April 1954) is a British music consultant and former head of Jazz for the UK and Europe for Sony Music. He was head of sales and marketing for Gearbox Records which specialises in the release on vinyl of audiophile editions of previously unheard jazz recordings.