New Square Chambers

JJ’s commercial chancery practice spans the full breadth of Chambers’ practice area. He is well versed in cutting through dense facts and engaging with complex principles of law.

JJ keeps up to date and regularly comments on recent significant decisions in his practice areas on LexisPSL and on the New Square Chambers website. This also includes publications in legal journals, such as:

• “In Defence of Ingram v Little: Understanding Collateral Offer and Acceptance” (2017) 6(1) OUULJ 34.
• “Parker v Financial Conduct Authority – A Missed Opportunity?” (2021) 35.3 TLI 185.
• “Mistake, misprediction, and risk-taking in tax-avoidance” (2022) 28(4) T&T 285, co-authored with Aidan Briggs.

JJ has a firm grasp of financial services regulatory work, having been seconded to the Retail Investments team of the Financial Conduct Authority’s General Counsel’s Division.

JJ is currently seconded to the China Practice team of McDermott Will & Emery UK LLP.

Called to the Bar 2019; BBP BPTC Excellence Award (BPP University); Wolfson College Jennings Prize (University of Cambridge); Corpus Christi College Degree Award (University of Oxford).

Mandarin Chinese (Conversationally Fluent)

The Honourable Society of Gray’s Inn; Chancery Bar Association; Society of Trust and Probate Practitioners (STEP).

Bar Professional Training Course, BPP University (Very Competent); LLM (Commercial), Wolfson College, University of Cambridge (First Class) (Thesis Title: "A House of Mirrors: a way forward for choices between causes of action?"); BA in Law (Jurisprudence), Corpus Christi College, University of Oxford (First Class).

JJ has first-class degrees in Law from the University of Oxford and in an LLM in Commercial Law from the University of Cambridge. Before coming to the Bar, JJ served in the military as a heavy weapons sergeant. JJ is an avid dancer, having competed as a representative for England in domestic and international formation Latin competitions.