According to the company, Ms Minogue specialises in delivering cross-network sales strategies across TV, online, mobile, interactive advertising and social media.
REA Group chief executive Tracey Fellows said Ms Minogue’s expertise across a broad range of media channels made her the perfect candidate for the position.
“We are delighted to have someone of Libby’s calibre on our team,” Ms Fellows said.
“Her experience in this field is unparalleled, and we are looking forward to her contribution as our business evolves to meet changing market dynamics.”
The announcement follows the recent appointments of Sarah Turner as general legal counsel and company secretary, as well as Andrew Rechtman in the role of executive general manager of residential.
Ms Minogue will join the organisation in December.