In a letter to Starbucks partners, the chief executive officer thanks outgoing chief operating officer John Culver and looks ahead to leadership changes designed to speed the company’s reinvention.

“It is a return, and a new beginning,” said Schultz on his first day back as Starbucks ceo. “I have big dreams for all of us, even bigger than before.”

See highlights of some of the most meaningful moments from Howard’s history with the company.