Jonathan Cheyne Partner

Jonathan is a corporate lawyer with more than 20 years’ experience who specialises in unregulated mergers and acquisitions and equity capital markets transactions.

Jonathan principally acts for financial sponsors and their investee companies and multinational and domestic corporations, with a particular emphasis advising on cross border M&A transactions involving US bidders or targets.  Jonathan’s transaction experience ranges from multi-billion dollar pubic market transactions to mid-market acquisitions and divestments.

In addition to his transactional practice, Jonathan has been a driving force in the establishment of JWS’ Board and Governance Group and advises listed and unlisted corporate clients on company and securities law issues and corporate governance matters. 

Jonathan’s experience spans a range of industry sectors including engineering, fin-tech, construction and infrastructure, manufacturing, agribusiness and professional services. His professional background includes roles as an equity analyst and as a lawyer with Australia’s corporate regulator, ASIC. 

Jonathan has been consistently recognised by his peers as a specialist in his area, being listed as a leading lawyer in Best Lawyers for each of M&A (2015-2023), ECM (2015-2023) and Corporate Governance (2015-2023). 



DAOU Vineyards

Advised the sellers of DAOU Vineyards, LLC on Australian aspects of its sale to Treasury Wine Estates Ltd (ASX: TWE) for US$1 billion (A$1.6 billion).

Fyfe Group Holdings Pty Ltd

Advised on internal restructure and various proposed corporate transactions.

SonderMind Inc

Advised SonderMind Inc on the acquisition of the Australian and US business and assets of Total Brain Limited (ASX: TTB).

Forever Green Enterprises 2 LLC

Advised on strategic investment in Display Sweet Pty Ltd, including new shareholders’ deed, warrant deed, constitution and equity subscription deed.

Peabody Energy Coal Australia Pty Ltd

Advised Peabody on range of contractual and governance matters relating to its Australian operations.

Fiera Comox Partners

Advised Fiera Comox Partners, a Canadian private equity fund, on investment in Grove Juice Pty Ltd.

Baralaba Coal Company Pty Ltd

Advised on corporate structuring matters involving major shareholder AMCI.

Bowen Coking Coal Limited

Advised on corporate aspects of several proposed acquisitions/transactions and governance related matters.

Payrix Holdings, LLC

Advised Payrix Holdings, LLC on its acquisition of fintech IntegraPay Pty Ltd and subsequently assisted on Australian aspects of sale of Payrix to FIS.

Quinbrook Infrastructure Partners

Advised on structuring and transaction issues related to Queensland gas and solar battery project.

Rosatom State Atomic Energy Corporation

Advising Rosatom State Atomic Energy Corporation (via its Russian attorneys, Latham & Watkins, LLP) in connection with potential investments in Australia.

Isis Central Sugar Mill Company Limited

Advised on proposed partial acquisition of ICSM by court approved scheme of arrangement and parallel investment by Pakistani investors. Transaction did not proceed following first court and shareholder approvals.

Sykes Enterprises, Inc

Advised Sykes Enterprises, Inc (NASDAQ: SYKE) on its acquisition of WhistleOut Pty Ltd.

Calibre Group Ltd

Advised on the cross border acquisition of Spiire New Zealand Ltd from Downer EDI Limited and range of other bolt on acquisitions.

PeakUrban Pty Ltd

Advised on corporate structuring matters and acquisition of engineering consultancy LD Eng Pty Ltd.

Flight Centre Travel Group Limited

Advised on acquisition of the Buffalo Tours destination management business (Vietnam, Thailand, Australia, Singapore, United States, UK & Hong Kong).

Adelaide Brighton Ltd

Advised Adelaide Brighton Limited (ASX: ABC) on the acquisition of concrete, quarry and mining assets in Queensland.

JTA Group

Advised the sellers of JTA Global Holdings Pty Ltd, an Australian based international health and social sector consulting firm, in connection with its sale to Abt Associates, Inc.


Career & qualifications


  • Bachelor of Laws (Hons), University of Queensland
  • Bachelor of Commerce, University of Queensland


  • Queensland Law Society
  • Law Society of South Australia
  • Corporate Lawyers Association

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  • D&O Insurance: Back to Basics (Governance Institute of Australia)
  • Responding to Shareholder Activism (Senior executive roundtable)
  • Norcast v Bradken (Broker/adviser presentation)
  • Shareholder Agreements in Practice (Professional master class)
  • The Hastie Group collapse (Governance Institute of Australia)