[1] Shell is a graduate of the University of California, Berkeley, where he studied economics and applied mathematics, and Harvard Business School, where he received an MBA.

[5] He was named by President Barack Obama as chairman of the Broadcasting Board of Governors replacing Sony Pictures executive Michael Lynton.

[7] On April 23, 2023, Shell was fired from NBCUniversal after an investigation into sexual harassment, which began when a female employee filed a complaint against him.

[9] Variety reported that the law firm Gibson Dunn was hired to conduct the investigation, and corroborated the complaint after reviewing records of Shell and Gamble's email communications.

[15] It will support Paramount Global's expansion into other entertainment industries, such as animation, sports and video games, where it currently has less presence.

[20] In January 2019, Shell, along with Cindy Crawford, her husband Rande Gerber, Michael Meldman, and Jay Sures, announced they would purchase the Beverly Hills deli, Nate 'n Al, to keep its doors open after three generations of family ownership.