Ms Westacott is an Australian business executive who has made contributions to various sectors, including public administration, education, and business. She is the Chancellor of Western Sydney University and serves as a non-executive director for Canadian Utilities Limited, RBA Governance Board, ATCO Australia and advisor to KPMG. She is Chair of the Bradfield Development Authority, Studio Schools of Australia and a committee member of 2050 Point Parramatta. She is also a Patron of The Pinnacle Foundation and Co-Patron of Pride in Diversity. She has previously served as the Chief Executive Officer of the Business Council of Australia and held senior roles in the New South Wales and Victorian governments, focusing on areas such as housing, urban planning, and social policy. Jennifer is known for her advocacy on issues such as tax reform, regulatory efficiency, infrastructure development, and social inclusion. She resigned as a director of Wesfarmers Limited in October 2025.