Broncos president/CEO Joe Ellis and director of player development Ray Jackson will attend Tuesday’s funeral for the late Steelers owner Dan Rooney.

A public viewing was scheduled at Heinz Field on Monday and the service, to be held at St. Paul’s Cathedral in the Oakland neighborhood of Pittsburgh, is set for Tuesday at 11 a.m. ET. Among those expected to attend is former President Barack Obama.

Rooney, 84, was among the most beloved NFL owners and is remembered for being a champion for diversity and for the players.

In 2002, he spearheaded what is now known as the Rooney Rule, which requires NFL teams to interview at least one minority candidate for head-coaching jobs. In January, Vance Joseph became the Broncos’ first full-time African-American head coach.

Upon hearing of Rooney’s passing, Joseph released a statement Thursday saying:

“As someone who’s privileged to work in the NFL, my sincere condolences go out to the Rooney family, Mike Tomlin and everyone else at the Steelers who knew Mr. Rooney. I know he was a champion for diversity, not only around the NFL but also within his team. I believe the opportunity he gave Coach Tomlin many years ago opened up a lot of doors for minority coaches around the league, including myself. When you talk about the “Rooney Rule,” and giving everyone a chance to interview for these jobs, that’s a credit to Mr. Rooney and his incredible legacy.”

Before the Broncos hired Jackson in 2015, he had spent the previous 10 seasons in the same role in Pittsburgh, where, among other things, he helped to organize a career transition program and life skills seminar for players. Related Articles April 17, 2017 Return of Receiver Heaven? Emmanuel Sanders has great expectations for Broncos’ “pass-happy” offense

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Receiver Emmanuel Sanders, who signed with the Broncos in 2014 as a free agent after four years with the Steelers, said he was saddened to hear of Rooney’s passing.

“I remember when I was there, he was still moving around, even when everyone was telling him to sit still,” Sanders recalled Monday. “He was still moving around and trying to fly his plane around. I remember James Harrison telling stories about how he was up in a plane with him one time. He was flying and James was like, ‘What is going on? How can he fly this plane?’ Just an amazing man. He always treated you with the utmost respect. He treated you not like I was No. 88, but like I was Emmanuel Sanders, like I was a human being. He will definitely forever be remembered.”