John co-founded Harris Hagan with Julian Harris in May 2004.
Specialising in all aspects of online and land-based gambling law, and with over 20 years’ of gambling law experience, John is recognised as a leading gambling lawyer by operators, suppliers and regulators throughout the world. He advises many of the world’s largest land-based and online gambling businesses (B2C and B2B), as well as many start-ups, investors and leading law firms. John has extensive gambling legal, regulatory and licensing experience advising on legal classification, non-remote and remote operating licence applications, casino competitions and premises licensing, personal applications, change of corporate control applications, transaction due diligence, corporate investments and transactions, complex group restructuring and the rationalisation of group licences. He also has extensive compliance and enforcement experience advising on general compliance and reporting requirements, compliance assessments, regulatory investigations, corporate evaluations, operating and personal licence reviews, and developing associated remedial compliance programmes and action plans.
In his spare time, John enjoys golf, rugby, football and chess.
University College Dublin, 1989
Law Society of England & Wales, 1993
Band 1, Chambers UK 2020
Band 1, Chambers Global 2020
Leading Individual, The Legal 500 2020
Hall of Fame, The Legal 500 2020
“Excellent reputation in the industry.” Chambers UK 2020
“Extremely deep knowledge and real understanding of client challenges with regulators” Chambers Global 2020
Sources commend his “modern mind and ability to understand what the operators want,” with others stating that “he knows the regulatory law inside out and is extremely well respected by everyone.” Chambers Global 2020
“Astute” The Legal 500 2020
“Sources underline his expertise in gambling regulations and his advocacy skills, as well as his immersion in the industry.” Chambers 2019
“Sources underline his “expertise in gambling regulations and his advocacy skills, as well as his immersion in the industry.” Chambers UK 2019
“The leading gaming industry legal practitioner active today,” adding: “He’s patient, calm, focused and efficient.” Chambers UK 2018
“John is able to provide concise, pragmatic and commercially driven advice, delivering solutions, not just legal commentary.” Chambers UK 2017
“His breadth of knowledge and experience in the industry is a real asset.” Chambers UK 2017
International Association of Gaming Advisors (President 2019/20)
International Masters of Gaming Law
GamCare (Deputy Chairman, 2006-present)
Industry Group for Responsible Gambling (Chairman 2016-2020)