in 1996, after green returned from her uk studies, she became head of qimr's epidemiology and population health unit and was appointed a senior principal research fellow. a year later at the wellcome trust in london, she was the visiting medical research officer. from 2000 - 2011 green acted as the deputy director to qimr. during this time period she simultaneously operated in a variety of roles, in 2000 as the head of cancer and population studies group in qimr, in 2002 as a professor at the university of queensland and professor at the queensland university of technology, in 2005 as adjunct professor at griffith university, in 2009 as the professor in the institute of inflammation and repair, and professor at the university of manchester, and in 2010 as the acting director in qimr. since 2012 she has operated as a senior scientist in qimr, except for a stint in 2014 where she operated as a senior research scientist at the cancer research uk manchester institute at the university of manchester.