Seattle — REI Co-op has added Mary-Farrell Tarbox to its retail leadership and corporate officer teams. Tarbox joins REI on October 24 as the company’s vice president, physical stores and retail operations. “Mary-Farrell is a proven leader in omni-channel operations. Her more than 30 years of leading successful teams across multiple retail environments made her a clear choice,” says Cameron Janes, chief commercial officer of REI Co-op. “As REI’s retail presence expands across the nation, she will have a key role in helping the co-op achieve our aspiration to serve …