Our Team

Gresham’s Corporate Advisory Team is comprised of 40 executives and 12 senior advisors across our three offices.

Corporate Advisory

Mark Johnson AO
Senior Advisor, Sydney

Corporate Advisory

Mark joined Gresham in 2011 as Senior Advisor and is based in the Sydney office.

Mark Johnson is Chairman of Alinta Energy, a Director of One Market Limited and Dateline Resources and an Advisor to Bank of Tokyo Mitsubishi UFG in Australia. He has spent more than fifty years in banking and corporate finance and retired as Deputy Chairman of Macquarie Bank in 2007 and as Chairman of Macquarie Infrastructure Group in 2010.  He has also served as Chairman of AGL Energy and Guinness Peat Group, and been a Director of Westfield Group.

Mark was Chairman of the Australian Financial Centre Task Force in 2009-10, an Australian Government initiative directed towards ensuring efficiency and competitiveness in the financial services sector.  From 2002-2013 he was one of the three Australian representatives on the APEC Business Advisory Council (ABAC) and Chairman of the APEC CEO Summit in Sydney in 2007. He was Chairman of the Australian Strategic Policy Institute from 2005 to 2008.

Current affiliations include: Chairman of the ASIC External Advisory Panel, a member since 2019, Chairman of the US Study Centre Foundation at Sydney University, Chairman of the Advisory Board of the APEC Study Centre at RMIT University and director, AsiaLink. He has recently retired from the Board of Governors of the Institute for International Trade at the University of Adelaide, and the Advisory Council of SMART Infrastructure Facility at the University of Wollongong.

Mark was awarded the Order of Australia (AO) in 2010 and is a Commander of the Order of the Crown (Tonga) and a Life Governor of the Victor Chang Cardiac Research Institute.

Mark holds a Bachelor of Laws (Hons.) from the University of Melbourne, and an MBA from Harvard. He is a Fellow of the AICD.

Tel: +61 2 9221 5133

Level 17, 167 Macquarie Street Sydney NSW 2000

Corporate Advisory

Australia’s leading independent M&A and corporate advisory business.

Funds Management

Manager of specialist funds via debt, mezzanine and preferred equity investment and as agent for our international affiliate partners.


Providing a full suite of advisory, financing and structuring solutions to the property and development industry.

Capital Solutions

Gresham offers a range of independent debt solutions including debt advisory, financial restructuring and structured capital.


Are you looking for a challenge?

Gresham is always looking for highly motivated and enthusiastic candidates who have the drive to solve problems and achieve results on behalf of our clients.