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George Hack
Team Leader
+44 (0)207 842 3762
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Dilly Stewart
Team Leader Assistant
+44 (0)20 3873 6858
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Lachlan joined Chambers in 2025, having begun practice in 2018 in Australia. He practises across Chambers’ core areas.
Before coming to the Bar, Lachlan worked as a NSW-qualified debt capital markets solicitor at A&O Shearman in London and at KWM in Sydney. He focused on sovereign bonds and corporate hybrid securities.
Lachlan graduated with a dual Bachelor of Laws (Hons I) / Bachelor of Actuarial Science degree from Bond University in 2017. He was valedictorian for business and law and the highest-achieving law graduate in his cohort, receiving the John F Kearney Gold Medal in Law.
While working at A&O Shearman, Lachlan read for the BCL at Jesus College, Oxford, graduating with a Distinction and the Law Faculty Prize for Commercial Remedies.
Assisting with the defence of certain insurers in multi-billion pound claims brought by aircraft lessors in significant Commercial Court proceedings (during pupillage).
Assisting with research in the defence of a $100 million+ claim under English and foreign law arising from the alleged breach of a prime brokerage agreement (during pupillage).
Assisting with the defence of an AIM-listed issuer in proceedings relating to the validity of a “drag-along” acquisition transaction and related allegations against the company’s founder and CEO (during pupillage).
Assisting with research on sovereign immunity in the defence of a claim against a sovereign for enforcement of an arbitral award against a property in London (during pupillage).
Assisting with research for the defence of a claim for enforcement of parts of a US judgment for $700 million (during pupillage).
Assisting with the drafting of summary grounds of defence in support of the responsible licensing authority in a claim seeking judicial review of a decision to revoke various pilot licences following a significant air disaster (during pupillage).
Assisting with the drafting of particulars of a bank’s claim for an indemnity under the Land Registration Act 2002 following removal of its interest from the register (during pupillage).
Assisting with the drafting of summary grounds of defence in support of the responsible licensing authority in a claim seeking judicial review of a decision to revoke various pilot licences following a significant air disaster (during pupillage).
Assisting with the defence of certain insurers in multi-billion pound claims brought by aircraft lessors in significant Commercial Court proceedings (during pupillage).
Assisting with the drafting of advice on limitation issues in the context of claims alleging the misselling of PPI products (during pupillage).
Assisting with the drafting of a defence in Circuit Commercial Court proceedings arising out of allegedly unauthorised payments made out of a bank account (during pupillage).
Assisting with research in the defence of claims for alleged breaches of the Quincecare duty brought in proceedings in Gibraltar (during pupillage).
Assisting with research in the defence of a US$100 million+ claim under English and foreign law arising from the alleged breach of a prime brokerage agreement (during pupillage).
Assisting with research in the defence of an AIM-listed issuer in proceedings relating to the validity of a “drag-along” acquisition transaction and related allegations against the company’s founder and CEO (during pupillage).
Assisting with Commercial Court asset recovery proceedings relating to the alleged misappropriation of shares with a value of €80 million (during pupillage).
Assisting with research in complex LCIA arbitration proceedings concerning the enforceability of certain arrangements alleged to constitute damages-based agreements under s 58AA of the Courts and Legal Services Act 1990 (during pupillage).
Assisting with the drafting of a defence in Commercial Court proceedings concerning termination rights under a commercial contract (during pupillage).
Assisting with research on sovereign immunity in the defence of a claim against a sovereign for enforcement of an arbitral award against a property in London (during pupillage).
Assisting with Commercial Court asset recovery proceedings relating to the alleged misappropriation of shares with a value of EUR €80 million (during pupillage).
Assisting with advice in relation to the discharge and release of a personal guarantee following the sale of a principal debtor company (during pupillage).
Assisting with research for the defence of a claim for enforcement of parts of a US judgment for US$700 million (during pupillage).
Assisting with research in a multi-billion dollar auditors’ negligence claim arising from an alleged fraud (during pupillage).
Assisting with the drafting of a defence in Circuit Commercial Court proceedings in relation to sums purportedly due under a contract for the supply of foodstuffs (during pupillage).
Assisting with the defence of an AIM-listed issuer in proceedings relating to the validity of a “drag-along” acquisition transaction and related allegations against the company’s founder and CEO (during pupillage).
Assisting with the drafting of advice on limitation issues in the context of claims alleging the misselling of PPI products (during pupillage).
Assisting with the drafting of a statement of defence in confidential LCIA arbitration proceedings concerning a claim under a W&I policy arising from the alleged breach of financial reporting warranties in a share sale agreement (during pupillage).
Assisting with the defence of an application for summary judgment in Commercial Court proceedings arising out of a manufacturer’s claim for indemnity under a commercial combined policy (during pupillage).
Assisting with advice to a reinsurer in respect of a claim brought under a terrorism, sabotage, strikes, riots, civil commotion and malicious damage insurance policy (during pupillage).
Assisting with the defence of certain insurers in multi-billion pound claims brought by aircraft lessors in significant Commercial Court proceedings (during pupillage).
Assisting with the drafting of written submissions in ad-hoc arbitration proceedings concerning the purported discharge of a debt by exercise of a put option (during pupillage).
Assisting with research in complex LCIA arbitration proceedings concerning the enforceability of certain arrangements alleged to constitute damages-based agreements under s 58AA of the Courts and Legal Services Act 1990 (during pupillage).
Assisting with the drafting of a statement of defence in confidential LCIA arbitration proceedings concerning a claim under a W&I policy arising from the alleged breach of financial reporting warranties in a share sale agreement (during pupillage).
Assisting with advice to a statutory professional body on its obligations in connection with the maintenance of the relevant professional register (during pupillage).
Assisting with research in a multi-billion dollar auditors’ negligence claim arising from an alleged fraud (during pupillage).
Following the successful completion of their pupillages, William O’Hara, Rachel Wilson and Lachlan…
George Hack
Team Leader
+44 (0)207 842 3762
Click here to email
Dilly Stewart
Team Leader Assistant
+44 (0)20 3873 6858
Click here to email
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