Pershing Square Capital Management LP Chief Executive Officer Bill Ackman Interview

Bill Ackman, chief executive officer of Pershing Square Capital Management LP, speaks during an interview in New York, U.S., on Monday, Oct. 9, 2017. Ackman's Pershing Square Capital Management, which in August disclosed an 8.3 percent stake in Automatic Data Processing Inc. consisting of stock and options, has been pushing for three seats on the company's board. Ackman, who would get one of the seats, seeks to replace the three longest-tenured directors, including Chairman John Jones. Photographer: Christopher Goodney/Bloomberg via Getty Images