Madeline is the CEO of the Geena Davis Institute on Gender in Media. She also serves as the Chair of the Board of Directors for the Television Academy Foundation; Board of Directors: Population Media Center, and Promundo U.S.; Advisory Board PBS Kid’s Ready Jet Go, GameChanger Films; YouTube Red Hyperlinked. Di Nonno served as President, Glass Lions Jury for the Cannes Lions 2016.

As Chief Executive Officer, Di Nonno leads the Institute's strategic direction, research, education, advocacy, financial and operational activities and thirty years of successful international executive leadership experience in entertainment, non-profit, digital and consumer packaged goods industries. Di Nonno is a requested keynote speaker and featured in global media including: Cannes Lion, CinemaCon, CES, The White House, The Department of State, UNESCO, the United Nations, The New York Times, Variety, The Hollywood Reporter, Forbes, Huffington Post, Kidscreen, Fast Company, and Wired Magazine. Previously, Di Nonno served as President and CEO of On The Scene Productions, a leader in digital content creation and distribution. Di Nonno lead the company’s new business development and digital content platforms for the entertainment, healthcare, and consumer products clients such as Nike, Gatorade, Iconix, and PepsiCo. Prior to On The Scene, Di Nonno served in executive marketing positions for Anchor Bay Entertainment/Starz Media and Echo Bridge Home Entertainment leading global brand marketing in North America, United Kingdom and Australia. As Executive Vice President and GM for Nielsen EDI, Madeline drove innovations in product and new business development for theatrical distribution client management. Previously, Di Nonno served as Senior Vice President, Marketing Alliances and Digital media at the Hallmark Channel, and nearly eight years at Universal Studios Home Video as Vice President, Strategic Marketing. Di Nonno began her career at ABC Television Network in corporate publicity. Madeline holds a bachelor’s degree from Boston University.