Estelle has spent the last fifteen years working in communications and campaigning. Estelle was Head of Business Liaison at Britain in Europe, a cross-party, pro-European coalition which was one of the most high profile campaigns of the Blair era. She then joined the UK's largest public relations group where she ran an award-winning political communication team before becoming the Managing Director of Champollion Group, an independent communications company which specialises in public policy issues.

Following Champollion’s acquisition by the international business communications consultancy, Instinctif Partners, she became a Managing Partner based in the company’s London headquarters.

She is a Fellow of the Royal Society of Art and a Member of the Chartered Institute of Public Relations.