Lawrence Giuliano, Sr., RPA/FMA/SMA/SMT, began working at Rockefeller Center in the summer of 1976 as a security guard; four decades later, he is responsible for an American treasure - the entire Rockefeller Center complex. On his journey to the top, he managed such icons as One, Ten, 45 and 50 Rockefeller Plaza; 1260 and 1270 Avenue of the Americas; and 600, 610 and 620 Fifth Ave. He heads tenant retention efforts; oversees repair, maintenance and construction; coordinates Energy Conservation Day; oversees the blood drives responsible for 10,000 pints in donations; prepares all budgets, and gives private tours to business leaders.