NFL Owner Dan Rooney

Dan Rooney, son of the founder of the Pittsburgh Steelers has died at 84. Rooney took over for his father, Art and guided the team to 6 Super Bowl titles, one in a controversial game with the Seattle Seahawks.
Rooney's most notable NFL contribution is probably the "Rooney Rule" which requires teams to interview minority candidates for head coaching positions to fill such vacancies.  It was established in 2003.
He was also appointed ambassador to Ireland in 2009 and served until 2012.