MATTHEWS, N.C. — Family Dollar Stores Inc. has appointed Mary Winston executive vice president and chief financial officer.

Family Dollar Stores Inc. has appointed Mary Winston executive vice president and chief financial officer.

She reports to Howard Levine, chairman and chief executive officer.

Winston, who has responsibility for all financial operations including treasury, tax, financial planning, investor relations and internal audit, succeeds Kenneth Smith, who was CFO and senior vice president. Smith has taken the transitional role of senior vice president of finance until October, when he expects to leave the company after 22 years.

Prior to joining Family Dollar, Winston served for four years as SVP and CFO of Giant Eagle Inc., a regional supermarket chain. She has also served as executive VP and CFO of Scholastic Corp., a children’s media publisher. Earlier she was vice president, global financial operations, at Pfizer Inc.