Tim O'Callaghan

Brett Cowell is a founding partner and the Chairman of Cowell Clarke and is a Director of the firm’s Corporate and Commercial team. Brett’s passion for science, technology, and innovation has enabled him to support corporate and business clients in growing and protecting their tangible and intellectual property assets. Brett has very broad-based experience, with a particular interest in advanced manufacturing, defence, ICT, life sciences and technology businesses on a national and...

Karl acts for major employers including energy, oil and gas, mining, defence, construction, manufacturing, health, technology, disability and aged care organisations. Karl’s practice spans both contentious and advisory employment and WHS work, acting for boards, executives, general counsel and HR across private and government clients. He is the author of the Thomson Reuters National Work Health and Safety Practice subscription service. Karl advises on all aspects of employment law and W...

Stephen advises major domestic and international corporations, including major automotive companies, infrastructure operators and franchise networks. Clients include Mitsubishi Motors Australia, Acciona and the Australian Competition and Consumer Commission (ACCC), for which Stephen is the firm’s principal liaison partner. He has served as a member of client compliance and safety committees at board level. Stephen’s practice covers large and complex commercial disputes, competitio...

Peter Jackson is a lawyer recognized by Best Lawyers in the practice area of Personal Injury Litigation. Peter practices law in Adelaide, Australia Best Lawyers has recognized Peter Jackson since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Peter Jackson is held by other lawyers.

George acts for private and public companies, high net worth individuals, government entities, managed funds, superannuation funds, insurers and not-for-profit organisations. George’s practice spans tax and corporate advisory for transactions and restructures, financial services, equity and incentive schemes, fund establishment and governance, and estate and succession planning. George advises on federal, state and international taxation, corporations law and regulatory matters across a...

Peter is a principal in the firm's transactions team and is a specialist in real estate, construction and infrastructure law. He regularly leads projects involving: capital acquisitions and disposals of land; front end construction matters; real estate developments (including front end planning matters); real estate and construction financing; and leasing. He has acted for leading Australian and international funds, investors and developers in connection with their real estate acquisitions an...

David acts for a wide range of Australian and international clients across complex corporate, commercial and regulatory disputes. His clients span corporations law, intellectual property, competition and consumer law, franchising, agribusiness and education matters. He is a Distinguished Fellow of the International Academy of Mediators, an accredited mediator since 1993, and a member of the mediator panels of the Law Society of SA and the Resolution Institute. David litigates, manages and res...

Since joining WRP Legal in 2018, Sam has led the Litigation and Dispute Resolution team with expertise honed as special counsel at a major national law firm. Renowned for his skill in insolvency litigation, consumer law, construction, property, and leasing disputes, Sam has represented international corporations, national and local businesses, SMEs, and high-net-worth individuals. A skilled advocate, negotiator, and strategist, he crafts tailored approaches that deliver favourable outcomes, e...

Kieren Chester is a lawyer recognized by Best Lawyers in the practice areas of Commercial Law, Leasing Law and Real Property Law. Kieren practices law in Adelaide, Australia Best Lawyers has recognized Kieren Chester since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Kieren Chester is held by other lawyers.

With more than 35 years’ experience in property law, Richard has advised on matters from major CBD property acquisition and Commonwealth property interests to large scale community title residential development and joint venture property developments. He has extensive experience in advising Commonwealth, state and local government in commercial property related matters and has acted for multiple Councils in property sales and developments. He is also the Honorary Solicitor for the South...