The proper greeting for a City Council President is President, or sir. If the name is not used, then Mr. President is an acceptable form of greeting.
Mr. or Madam President.
The 'necessary and proper' clause is part of the Constitution. It authorizes the President do what is necessary to take care of the people. It gives the President implied power.
The Vice-President then the Speaker of the House of Representatives
The Vice President for the remainder of the term.
No honorific is required when addressing the former chairman of a committee.
Dear Mr. President ...........
I believe in a report you should say for an example the president Mr. Barack Obama.
addressing attorney and wife
A proper salutation for greeting the president of a business is "Dear Mr. President". To conclude a letter, the proper word is "Sincerely" and a the name of the writer.
'Mister Charman,' or 'Madam Chairman' or "Sir' or 'Ma'am.'
Dear Mrs. Obama,
Salutation for a current Ambassador is His or Her Excellency. Also Ambassador and last name of and country. I believe that since former military and President and Senators etc.....retain their title....Like President Carter.....and military usually has Ret. after the last name I think as a salutation on an Envelope it would be His Excellany John A. Gavin, Ret.
Most psychologists have obtained a PhD. within the psychology field. Therefore, when addressing a psychologist the most proper salutation is to call them Doctor (insert last name here).
"Your Honor" or "Mr. (Mrs.) Mayor"