Starbucks needs some improvements, including easier ways to order customized drinks.Jeff Greenberg/Getty ImagesChipotle CEO Brian Niccol is replacing Laxman Narasimhan as Starbucks CEO.Starbucks has some issues, but I can help.I'm a former barista! And I have a wish list for the new CEO.Starbucks just replaced its CEO after a rocky nine-month stint — and as a former barista, I can see why!I worked at Starbucks as a teenager way back in 1999.