MONTVALE, N.J. — Thomas Casey has been elected to the board of directors of A&P, the retailer here said last week. Casey will assume a board chair left vacant when Frederic Brace left the A&P board to become the retailer's chief administration officer. Casey has more than 24 years experience in financial management and strategic planning. During his tenure at Deutsche Bank, he was responsible for the bank's retail industry relationships in North America. He has also held financial and investment banking positions with Citigroup, Merrill Lynch, Blockbuster and Dillon Reed.