Kelly is currently a Security Engineer at Tumblr. She has "officially" worked in Information Security since 2003. At Tumblr she brings her decades worth of application security experience in the financial and government sectors to the microblogging world. She regularly speaks about reverse engineering at various conferences, including Black Hat, SummerCon, and COUNTERMEASURE. Additionally, she teaches as an adjunct professor of Application Security at NYU, where she was educated.