Vladimir Barash (@vlad43210) is a Senior Researcher and Engineer at Morningside Analytics. He has received his Ph.D. from Cornell University, where he studied with Michael Macy, Jon Kleinberg, and Claire Cardie. Both at Cornell and now at Morningside, Vladimir’s research interests focus mainly on social media, diffusion and viral marketing, meme tracking, and other topics around the dynamics of memetic objects in online communities. In his spare time, Vladimir blogs at: vlad43210.wordpress.com.