Antonia Halliday is the Principal of Calibre One in London. Antonia has over 10 years of experience as a researcher in investment banking and private equity. Halliday began their career as a researcher at Kinsey Allen International in 2010. Antonia then moved to Principal Search in 2011, where they worked as a researcher in investment banking and private equity. In 2012, they joined Hatton Grange as a senior associate. In 2015, they joined Calibre One as a principal.
Antonia Halliday completed a BSc Hons in Biological Sciences at the University of Leeds. Antonia then went on to study at Marlborough College.
Antonia Halliday works with Thomas Green - Partner, London, Gabby Williams - Executive Assistant, London, and Sampson Paul - Associate, London. Their manager is James Brocket, Managing Partner, London.
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