All of the changes Brian Niccol has made at Starbucks so far

Brian Niccol has spent his first year as CEO of Starbucks making a series of changes, big and small, to improve operations at the coffee giant.

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• Brian Niccol spent his first year as Starbucks' CEO spearheading its revitalization effort.
• The "Back to Starbucks" campaign has involved a wide swath of consumer-facing and back-end changes.
• From new drinks to closing hundreds of stores, here's a list of the updates Niccol has made so far.