He produced pioneering multimedia open-learning courses for the UK's Open College of the Arts, supported by television programs broadcast on Channel 4, from 1988 to 1991.
He directed the museum's Imaging Frontiers masterplan re-development, which generated record visitor numbers and international critical acclaim.
[3] Sweeney was appointed director and CEO of the Australian Centre for the Moving Image (ACMI) in 2005.
[1][5][6][7] At the ACMI he oversaw record organisational growth, performance and visitation, and a prolonged period of sustained success and achievement.
[8] Having spent ten years in the role, Sweeney resigned in December 2014[9] to return to his family in Britain.