Two former senior executives in Joe Media have sent a pre-action legal letter to the owner of the business, Greencastle Media Group, following their exit from the company.  Sam Asante, the former chief executive of Joe Media, and Liam Harrington, its former chief business officer, have appointed London law firm Simkins to represent them. Asante and Harrington are seeking payment from Greencastle of two amounts totalling in the region of £804,000 (€934,000) in relation to their notice periods and also other monies they claim to be owed. Asante was the chief executive of Joe Media from July 2020 until last…