Mr. Santiago began his career as a sanitation supervisor and manager in the dairy and food manufacturing industry in New Jersey, responsible for over 300 employees.

While managing a facility in Bal Harbor, he met Henry DeLeon. Mr. DeLeon recognized the talent and drive Mr. Santiago possessed and offered him a job as a property supervisor. Angelo was soon promoted to Area Manager then Corporate Director of Operations with responsibility for the training and orientation of The Service Companies supervisory staff nationwide.