Our People
Citadel-MAGNUS has a strong, focused and dedicated team of professionals with a track record of delivering outstanding corporate and financial communication campaigns to our clients across Corporate Reputation, Investor Relations, Transaction Communication and Special Situations.
MEET OUR LEADERSHIP

Read More
PETER BROOKES
Managing Director,
Founding Partner

Read More
JOHN GARDNER
Managing Director,
Founding Partner

Read More
HELEN McCOMBIE
Founding Partner

Read More
BRETT CLEGG
Founding Partner

Read More
MATTHEW GREGOROWSKI
Partner

Read More
MICHAEL WEIR
Partner

Read More
JAMES STRONG
Partner

PETER BROOKES
Managing Director, Founding Partner
Peter is a founding Partner of Citadel-MAGNUS and joint Managing Director, based out of the Sydney office. He leads the transaction practice across IPOs and M&A and has 20 years’ experience as an adviser to ASX listed companies across financial corporate communication.
Peter has led complex transaction projects, including cross-border deals, and has advised on numerous high profile public listings and trade sale processes. He also worked as a communication adviser in the UK, and prior to that was a OTC derivatives dealer for TulletPrebon.

JOHN GARDNER
Managing Director, Founding Partner
John is a founding Partner of Citadel-MAGNUS and joint Managing Director of the firm based out of the Perth office.
He has more than 20 years’ experience in corporate communication and investor relations in Sydney, Perth and London. His experience includes the development of corporate, investor relations and transaction communication strategies for clients across a broad range of sectors.
He has led the communication on many highly successful transactions and provided counsel to management on several complex issues in the corporate sector.

HELEN McCOMBIE
Founding Partner
Helen is a founding Partner of Citadel-MAGNUS and has extensive expertise in corporate communication and issues and crisis management across numerous sectors.
Helen has a strong understanding of the Australian media landscape having previously worked in journalism for 25 years including roles as Business Editor of Sky News and with Channel 9’s Business Sunday Program.
She also provides presentation and media training to senior executives and company Boards.

MATTHEW GREGOROWSKI
Partner
Matthew leads the Sydney investor relations practice. He has more than 17 years’ agency and in-house corporate communications experience in Australia, the UK and South Africa, running holistic investor relations programs for public companies spanning a range of sectors.
He has also advised on several corporate transactions including IPOs, capital raisings and M&A.
Before emigrating to Australia, Matthew was Head of Media Relations for FTSE 100 financial services company Old Mutual plc and a Partner of international corporate communications firm Instinctif.

MICHAEL WEIR
Partner
Michael has more than 25 years’ experience in investor relations and corporate financial communication.
A former senior finance journalist, Michael has also held in-house executive roles within the mining and mining services sector.
He has deep experience in corporate affairs, stakeholder engagement and capital markets. He has led complex communication around project development, capital raisings, corporate transactions and corporate strategy rollout.

JAMES STRONG
Partner
James has 15 years’ experience providing advice to listed clients across a number of sectors, geographies and exchanges on investor and media relations, as well as strategic advice on corporate transactions and crisis management.
He is a former director of London based agency Buchanan, one of the UK’s leading, and most experienced financial communication and investor relations consultancies, during which time he spent three years working in Dubai and Saudi Arabia as part of the senior management team of Buchanan’s Middle East operations.

BRETT CLEGG
Founding Partner
Brett specialises in strategic communication, issues management, business innovation and capital markets transactions. He was the founder of Kadia Partners, which merged with Citadel-MAGNUS in 2020, and his career has spanned professional services, investment banking, publishing and the technology sectors. Brett spent more than two decades in senior executive and editorial roles in the media industry, responsible for some of Australia’s leading news brands including The Australian Financial Review, where he rose from cadet journalist to the position of CEO and Publisher, as well as The Australian and The Daily Telegraph.
He is Chair of Sydney Dance Co, a former board director of hipages group and Council Member of the University of Technology Sydney.