Inspiring, surprising, challenging: this year's speakers for Bonnier's annual inspiration summit.

From YouTube star to a pre-eminent stargazer, Hollywood director to sustainability crusader, Bonnier’s annual GRID inspiration summit promises to inspire, challenge and surprise the 250 participants who will be coming in to Stockholm Sept. 9-10 from all parts of the Bonnier world.
Earlier this week, two of the speakers were announced on the GRID Facebook page: Danish Oscar-winning film director Susanne Bier and legendary astronomer Jill Tarter, portrayed by Jodie Foster in the film Contact.
Other speakers include Australian social scientist Leyla Acaroglu; The Google Code author Andreas Ekström; Dagens Nyheter's multi-prize-winning photographer Paul Hansen; aging expert Sarah Harper; serial entrepreneur Oscar Höglund; anti-bullying activist and poet Shane Koyczan; storyteller and multi-disciplinary artist Raghava KK.
Plus big data journalist and graphic designer David McCandless; museum curator and scientist Kees Moeliker; seaborne explorer Debra Searle; and terrorist expert Jessica Stern.
You can read all about them on the GRID blog. All talks will also be made available on the GRID website.