The Welsh opera singer, 53, was informed on Thursday that his rolling contract at Radio Wales had been terminated after a four-month investigation into his behaviour at the corporation.
Stuart Hogg, who was awarded an MBE in the New Year Honours list last year, was given a Community Payback Order in January and will be supervised for 12 months.
Shamed Strictly star Wynne Evans has hired the same crisis PR expert tasked with saving the career of another of the show's outcasts, Graziano Di Prima.