
Wilson-Rymer is to be replaced by current US excutive Kris Engskov, who will become managing director for UK & Ireland and senior vice president.
amid a major restructure of Starbuck's global operations.
Engskov has been with the high-street coffee market for nine years, six of which have been in the UK.
Starbucks said Wilson-Rymer is leaving to "pursue another opportunity outside of Starbucks".
Wilson-Rymer has been with Starbucks since 2007, and has headed up UK and Ireland operations since 2008.
Engskov has been with Starbucks for nine years. Prior to his role as regional vice president of Starbuck's US pacific northwest region, Engskov has held senior rolees in the US and Europe, including managing director of its Swiss and Austrian operations.