Liba Wenig Rubenstein leads partnerships, programming, and outreach for causes & politics at Tumblr.

Prior to Tumblr, Liba ran environmental sustainability at News Corporation, including the strategy to achieve carbon neutrality across the organization’s global operations which span 100 companies on five continents. Previously, she founded the Impact Channel for social and civic engagement at Myspace and managed its Public Affairs team, launching groundbreaking initiatives around climate change, Darfur, social fundraising, and the 2008 US Presidential election. Born and bred in Brooklyn, NY, and a graduate of Yale University, Liba now resides in in Los Angeles with her husband and their cockapoo named Henry. She is a member of the World Economic Forum's Global Agenda Council on Sustainable Consumption and an advisor to the voter participation org Why Tuesday?.