"Jannis was a gentle, kind soul, always appreciative of our team helping him to share his art with the world," the musician's label shared in a statement.
As Entravision chairman and chief executive, Ulloa oversaw a network of 47 radio stations and 55 TV stations.
The musician also recorded three solo albums after leaving the post-punk/new wave act in the early '80s.
He teamed with Andy, Bob and Dick to perform in the movies and with Bing Crosby and Kay Thompson.
"He joins our brothers Maurice, Monte and Ronald in heaven," his brother and bandmate Verdine White wrote.
"Rest in heaven," Drizzy captioned a photo of the former Three 6 Mafia member.
Three 6 Mafia's DJ Paul and Juicy J shared tributes on social media.
The musician had recently been diagnosed with cancer.
"She was the one that kept all of us close and together for so long," her family said in a statement.
Plus, tributes from Cyndi Lauper, Annie Lennox, Paul McCartney and others.
