Simplify the following text for a Grade 7 native English-speaking person.
Original: The march was initiated by A. Philip Randolph , the president of the Brotherhood of Sleeping Car Porters , president of the Negro American Labor Council , and vice president of the AFL-CIO .
Simplified: The march was first planned by A. Philip Randolph , who was the president of the Negro American Labor Council , and vice president of the AFL-CIO .