![Patrick O'Brien](/sites/default/files/styles/medium/public/bn-di-person/Patrick%20O%E2%80%99Brien.jpg?itok=qcRNXUJI)
Patrick O'Brien is the managing director of Patrick O'Brien & Associates, chair of Howjack Holdings, and a director of The Water & Carbon Group and O'Brien Capital.
Mr O'Brien has over 30 years of business experience in Australia, the UK, Europe, Asia and the US; including as an executive director with Macquarie Group where he led teams in corporate finance (Melbourne 1996-2005) and private equity (London 2005-2009). In the latter role, he was responsible for Macquarie's controlling stakes in, and chaired, unlisted groups European Directories and National Grid Wireless. Prior to Macquarie, Mr O'Brien was a consultant of McKinsey & Company and a lawyer with Minter Ellison.