Norman Hubbard appears to be a name used by more than one person, so a reliable location depends on which Norman Hubbard you mean. The most clearly identifiable public reference connected to that name is Norman Hubbard & Associates in White Plains, New York, United States.
If you meant a different Norman Hubbard, there isn’t enough verified information here to place him accurately without risking a mix-up. The name also shows up in unrelated contexts, including an interview profile and other references that do not clearly establish a current location.
For the business listing, the available evidence points to White Plains, New York. For anyone else with that name, the location cannot be stated confidently from the information at hand.