WALTHAM AND WAKEFIELD, MASS. — SDL, a global information management firm, has signed two office leases in the greater Boston market. SDL is relocating to 9,780 square feet at 410 Totten Pond Road in Waltham and 18,763 square feet at 201 Edgewater Drive in Wakefield. The company signed a five-year lease in Waltham and a seven-year lease in Wakefield. Michael O'Leary, John Boyle and Brian Hines of Cassidy Turley FHO represented the tenant in both transactions.