Facebook Head of Global Creative Solutions Mark D’Arcy and Director of Engineering Andrew Bosworth will join Droga5 Founder and Chairman David Droga and moderator Pattie Sellers of Fortune on a panel at the Cannes Lions International Festival of Creativity, “Cannes Seminar: Creativity at Scale.”

The event will be held at the Grand Audi Theater from 2 p.m. to 2:45 p.m. local time Tuesday, June 18, and the description of its content follows:

Sixty years after the Cannes Lions International Festival of Creativity began, what makes a big idea? Which mediums and platforms are really changing the world, and what makes the companies who are building them different? Join Facebook’s head creative Mark D’Arcy, Droga5′s founder and chairman David Droga, and Facebook’s director of engineering Andrew “Boz” Bosworth in a panel moderated by Pattie Sellers from Fortune magazine as they discuss how Silicon Valley and Madison Avenue value and view creativity and what they can learn from each other.

The event is open to anyone with a badge, and those with delegate badges are also invited to “Cannes Connect Happy Hour, Sponsored by Facebook” Wednesday, June 19, from 5:30 p.m. to 7 p.m.