Callum is a specialist commercial litigator with experience managing complex, high-stakes disputes. He acts for a range of clients, including individuals, trustees, corporates, SMEs and local authorities. His practice spans contract disputes, negligence claims, company and shareholder actions, insolvency and enforcement proceedings, and cross-border disputes. He has particular expertise in matters involving trusts and estates.

Before joining Wilson Harle in 2021, Callum was a member of the litigation team at a leading provincial law firm. There he gained courtroom advocacy experience through regular appearances in both the District Court and High Court.

Callum is known for his pragmatic approach and focus on results. He works closely with clients to understand their objectives. He develops effective strategies and provides clear, practical advice to ensure clients remain well positioned throughout litigation.

Callum holds degrees in law and applied science from the University of Otago. He was admitted in 2017.