Sister to Facebook Founder Mark Zuckerberg, former CMO of Facebook, TV producer, media personality and more.I attended Randi Zuckerberg’s talk at the Air New Zealand Social Media Breakfast. She covered her work, her relationship with her brother and Facebook, and tips on how to be successful in the social mediascape. Also at the talk is Jessica Gilmartin, Senior Director of Marketing of the social media marketing software company, Wildfire Interactive.