Giuliani and Mr. Hauer began their relationship in January 1996 when Mr. Hauer was hired to lead the new Office of Emergency Management, created to coordinate the city’s response to crises.Jerome Hauer is best known for being the director of the New York City Office of Emergency Management (NYC OEM) when he made the decision to build a $13 million crisis center on the 23rd floor at 7 World Trade Center.