In the 1980s Hayter was Western Australian coordinator of People for Nuclear Disarmament. From 1987 to 1994 she worked for the Overseas Service Bureau as regional director of Africa programs. She then joined
Save the Children UK and worked as country director in
Vietnam from 1998 to 2000. Returning to Australia she spent two years with the Australian International Health Institute before moving to
Myanmar as country director for the
Burnett Institute in 2004. While working with
AusAID on their illicit drugs program from 2007 to 2009, she also held several positions with the
United Nations. Hayter was CEO of the Melbourne-based
International Women's Development Agency from 2010 to 2017. Under her leadership the agency's influence grew, with programs to benefit women and girls being run in the Asia Pacific Region. She is a member of the Ministerial Council on Women's Equality, a panel which advises the Victorian Minister for Women. == Honours and recognition ==