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John is a Dual-Practising Barrister providing Advocacy, Drafting, and Advice to clients in all areas of Sport Law, Civil and Commercial matters.

Being a practicing Barrister affords John the advantages of broader rights of audience, combined with the ability to offer traditional written and oral advice for his clients.

John represents clients on both contentious and non-contentious matters including written and oral advocacy and drafting commercial contracts such as Shareholder Agreements, Share Purchase Agreements, and sport related contracts.

Acting for a wide variety of clients from high profile companies to individuals, John has quickly built a reputation for his fearlessness and meticulous tactical approach, whilst maintaining a sensible balance when advising on strategy and prospects of success.

Prior to commencing his legal career John established and operated his own businesses. His commercial experience and entrepreneurialism have provided John with a deep understanding of the needs of his commercial clients, whilst pragmatically applying the law to achieve commercially desirable outcomes.

John graduated from Bar School in 2012 with the highest possible honour, ‘Outstanding’. John is a member of The Honourable Society of Inner Temple and Bar of England and Wales and maintains a private Practice in Chambers.

John is conversational in Greek.

John Yianni

John Yianni

Barrister and In-House Counsel

T: 0207 766 5260

Vcard: John Yianni


56 Conduit Street






T: +44 (0)20 7766 5260

F: +44 (0)20 7240 7617

DX: 37227 Piccadilly