Jack Greenberg may refer to:
Jack M. Greenberg (born September 28, 1942 in Chicago, Illinois) was Chairman and CEO of McDonald's Corporation from 1999 through 2002, when he was replaced by James Richard Cantalupo. He was promoted to CEO in 1998, succeeding Michael R. Quinlan in that role as Quinlan retained the title of Chairman. Also, Mr. Greenberg has 7 grandchildren, Alfie Rudnick and Natalie Rudnick (children of Ilyse), Emily Greenberg, Lindsay Greenberg, and Chloe Greenberg (children of David), and Jaymie Orlinsky and Benji Orlinksy (children of Alison).
A 21-year veteran of the company, Greenberg held the top spot during a tumultuous period, with the company suffering earnings declines in each of the last seven quarters of his tenure. As Greenberg explained, "We were going through a transition from what I call a founder's company to a modern, global enterprise. There is a cultural shift from what we were to where we want to end up."
A graduate of the DePaul University College of Commerce (renamed the Driehaus College of Business in 2012), Mr. Greenberg also earned a juris doctor degree from the DePaul University College of Law. He is a certified public accountant and a member of the American Institute of Certified Public Accountants, the Illinois CPA Society and the Chicago Bar Association, where he served as former chairman of the federal tax committee, and was president of the board of trustees of the Chicago Bar Foundation. Mr. Greenberg is a member of the DePaul University Board of Trustees. Mr. Greenberg is currently Non-Executive Chairman and Presiding Director The Western Union Company.
Jack Greenberg (born December 22, 1924) is an American attorney and legal scholar. He was the Director-Counsel of the NAACP Legal Defense Fund from 1961 to 1984, succeeding Thurgood Marshall.
He was involved in numerous crucial cases, including Brown v. Board of Education. In all, he has argued 40 civil rights cases before the U.S. Supreme Court.
He is Alphonse Fletcher Jr. Professor of Law Emeritus at Columbia Law School, and has previously served as dean of Columbia College and vice dean of Columbia Law School.
Greenberg was born into a Jewish family in Brooklyn, New York on December 22, 1924.
Greenberg is a United States Navy veteran. He fought at Okinawa and Iwo Jima during World War II. Greenberg commanded a landing craft in the latter battle.
Greenberg graduated from Columbia College in 1945, and Columbia Law School in 1948.
Greenberg became the only white legal counselor for the NAACP Legal Defense and Educational Fund ("LDF") in 1949, and, in 1961, succeeded Thurgood Marshall as LDF's Director-Counsel.