in 2009, hill was asked to serve as senior counselor to the secretary of the department of homeland security (dhs) janet napolitano, helping guide senior leadership of dhs agencies, briefing congress, and leading and establishing dhs-wide programs. she led the review of policy regarding creation of the cybersecurity workforce, sexual assault in the military, and legal requirements for terrorism protection, and founded and led the anti-human trafficking initiative, blue campaign. she also oversaw the realignment of dhs international presence in forty-two countries and the development of strategic plans and policies regarding catastrophic biological and chemical incidents ranging from pandemics to weapons of mass destruction. in addition she served "ex officio" the federal advisory committee for the third national climate assessment.