Welch will join the company from her current role as marketing and innovation director at the Associated British Foods-owned
Prior to this, Welch held senior marketing and innovation positions at PepsiCo, Cadbury Schweppes, and Green & Blacks.
Rogers said Welch will be joining as the company moves into its next stage of growth, having just laid out ambitious plans to double the size of the business to £2bn system sales in the next five years.
Costa already has 1,600 stores in the
Costa claims it has been instrumental in driving innovation in its sector, citing the introduction of the Flat White coffee to the market and the launch of Costa Express.
In October last year Costa returned to TV with a user-generated marketing campaign, after a two year hiatus.