'People can change': ex-prisoner smashes stereotypes, one workout at a time

Coss Marte served time for drug offences. Now he’s opened a prison-based fitness studio on Fifth Avenue, where sessions are taught by ex-inmates themselvesFor ex-convicts, getting back on your feet is hard. Former drug kingpin and inmate Coss Marte is on a mission to change that, with his prison-style fitness studio that opened its doors at Saks Fifth Avenue in May. In The Wellery, Saks’ 16,600 sq ft health mecca teeming with high-end designer clothes, salt rooms and meditation class