San Francisco — Gap Inc. has appointed Mary Beth Laughton as president and chief executive officer of Athleta. Laughton will begin her new role in late October and will serve on Gap Inc.’s senior leadership team reporting to president and chief executive officer Art Peck. She joins Gap from Sephora. “Mary Beth brings a strong background in digital operations, a keen understanding of customers and an ability to deliver innovative experiences,” says Peck. “She is the right leader for Athleta, with a proven track record in driving consistent results in …