STARBUCKS workers in Chicago have become the latest to join the unionisation drive at the global coffee chain’s stores across the US.

The workers penned letter to CEO Kevin Johnson saying that staff at the Logan Square store could only have a true partnership and voice at work by forming a union to negotiate their terms and conditions and “secure appropriate wages.”

In the letter, workers expressed their love for their job and highlighted the “unwavering support” from their manager to transform the culture of their store.