[3] Zwier is commonly referred to as Mr Fix-It[4] due to his successes in resolving complex, nuanced, and delicate legal issues.
[5] He has represented many various high-profile individuals and entities, including Richard Pratt,[1] Trevor Kennedy, James Hardie,[8] Rino & Bruno Grollo,[4] Bruce Springsteen,[5] Steve Vizard,[9] Ray Williams,[10] Ten Network,[4] Tony Abbott,[11] Bill Shorten,[12] Josh Frydenberg and Peter Scanlon.
[14][15] Zwier has developed a pre-eminent reputation in restructuring and insolvency, having acted for the voluntary administrators in Australia's largest corporate collapses, including Brashs,[16] Ansett Airlines[5] and Arrium.
[4] More recently, Zwier has acted for the State Government of Victoria in relation to various distressed infrastructure projects and the withdrawal from hosting the 2026 Commonwealth Games.
[4] Notably, he provided pro bono legal assistance for the estate of the late Rolah McCabe in her battle for compensation against British American Tobacco Australian Services.
[5] Zwier also assisted Brittany Higgins during the rape trial of Bruce Lehrmann[23][24] and acted for actresses Eryn Jean Norvill and Yael Stone who were witnesses in Geoffrey Rush's defamation case against The Daily Telegraph.