Megan Berry is Marketing Manager for Klout. There, she runs influencer marketing and designs and implements programs and product that top brands use to reach and engage influencers. Klout is the standard measure of influence across the social web.

She's a social media junkie and blogs for Huffington Post, Mashable, Brazen Careerist, and, of course, the Klout blog on social media strategy and advice. She's a graduate of Stanford University. Follow her on Twitter as @meganberry.

Elizabeth Weil (@elizabeth) leads Culture and Marketing at Twitter. She joined Twitter in 2009 to start the Corporate Development team to lead acquisitions and then started the Product Marketing team to launch Twitter's Promoted Products. Before joining Twitter, Elizabeth was a venture capitalist with the Sand Hill Road firm, Institutional Venture Partners. Prior to IVP, Elizabeth worked at Menlo Ventures as an Investment Analyst and held marketing positions with online gaming company Xfire (acquired by MTV/Viacom) and eBay drop-off company, AuctionDrop. By night, Elizabeth is a letterpress printer and designer (www.paperwheel.com), who has run 37 ultramarathons and marathons. Elizabeth has a Masters in Management Science and Engineering and a B.A. in Economics from Stanford University, where she was a Mayfield Fellow and Buck Scholar.