Michael Conway, Starbucks' North America CEO, is retiring in November, without a replacement.Sara Trilling, Starbucks' North American President will lead retail operations in the region.Conway took up the newly created role in April after a leadership restructuring. Sign up to get the inside scoop on today’s biggest stories in markets, tech, and business — delivered daily. Read preview Thanks for signing up! Go to newsletter preferences Thanks for signing up! Access your favorite topics in a perso ...