Liba Wenig Rubenstein
Director, Outreach for Causes and Politics
Degree (Hons) in American Studies, Yale University. 2005, founded the IMPACT Channel for causes and politics on Myspace.com, including ground-breaking initiatives around climate change, Darfur, ?viral? fundraising and the US presidential election. Then, Executive Director, News Corporation's Global Energy Initiative (GEI), the company's environmental sustainability programme; drove the strategy to achieve carbon neutrality across its global operations. Currently at social blogging start-up Tumblr (recently acquired by Yahoo!), leading efforts to amplify the ways Tumblr's platform and members make the world a better place.