 From 1997 to 2001, she helped analyze health issues and develop proposals as a program associate director at the Office of Management and Budget and as the senior health analyst at the National Economic Council.Beginning as an assistant professor at Georgetown University, Lambrew moved to the Department of Health and Human Services during the 1993–94 push for health care legislation, then went on to coordinate budget proposal analysis in 1995.She later worked at the George Washington School of Public Health and Health Services as an associate professor.