After an extraordinary international career as a news producer and entertainment executive, Koo returned to Australia to complete a Juris Doctor at Macquarie University, graduating Valedictorian and receiving numerous academic and university awards. Koo is a passionate, committed and meticulous solicitor who brings together her broad life experience, academic excellence, and practical legal skill to achieve outstanding outcomes for her clients.
Koo has assisted in a wide range of serious and complex criminal matters, including murder, sexual assault, drug supply, fraud, kidnapping, and robbery, appearing and instructing in trials, sentence hearings, and appeals in the NSW Local, District and Supreme Courts, NCAT, and Melbourne Magistrate’s Court. She regularly appears as a fearless advocate in bail applications, sentence proceedings, defended hearings, and District Court appeals, where her preparation, composure, and persuasive advocacy have earned the respect of clients and colleagues alike.
Her approach is grounded in careful case analysis, strategic thinking, and clear client communication, ensuring clients understand their options at every stage of proceedings. Koo has contributed to favourable results across a broad spectrum of matters, including successful police negotiations, charge dismissals, and no conviction outcomes at sentence.
Beyond her criminal practice, Koo has extensive experience in Entertainment and Intellectual Property Law, advising creative professionals and industry clients with integrity, transparency, and diligence. She also maintains a strong commitment to Human Rights law, both domestic and international, and believes in using the law as a means to promote fairness, dignity, and justice.
With more than 35 years of experience, John B Hajje is widely regarded as one of New South Wales’ most respected and accomplished criminal defence lawyers. Over the course of his distinguished career, John has built a reputation for integrity, tenacity, and exceptional advocacy, earning the trust of clients and peers alike, through hard work and unwavering dedication to justice.
John has appeared in many of the State’s most high-profile and complex criminal matters, representing both individuals and corporate clients. His practice spans the full spectrum of criminal and quasi-criminal law, from serious indictable offences to regulatory and disciplinary proceedings, and he maintains an exemplary record of results.
While he frequently acts for high-profile individuals and company executives, John is equally committed to defending ordinary people facing extraordinary challenges—those who might otherwise be disadvantaged within the criminal justice system. His approach combines strategic precision, deep legal insight, and a steadfast belief in fairness and due process.
Beyond his core criminal practice, John possesses extensive experience in civil litigation and NSW Crime Commission proceedings, allowing him to manage multi-faceted matters that intersect criminal, civil, and administrative law, not just in New South Wales but across Australia. He has appeared and instructed in NSW Local, District and Supreme Courts, Court of Criminal Appeal, NCAT, The Land and Environment Court, NSW Crime Commission, Queensland Supreme Court and Supreme Court of South Australia, Supreme Court of Western Australia and the High Court of Australia, with several precedents set along the way. His depth of knowledge, measured judgment, and practical wisdom make him a trusted advisor to clients and counsel alike.
Harry is a remarkably dedicated solicitor whose work blends applied criminal law experience with sharp critical analysis and practical problem-solving. Clients value his calm, methodical approach and his ability to distil complex issues into clear, actionable strategies.
A deep familiarity with court practice and procedure enables Harry to run matters with confidence and precision from the first mention to final disposition. He has represented clients charged with murder, serious drug offences, personal violence matters, AVO proceedings, sexual assault, complex driving matters, and a wide range of other indictable and summary offences.
Harry regularly appears as an advocate in bail applications, sentence proceedings, defended hearings, and District Court appeals. His advocacy is grounded in thorough preparation—careful brief review, issue-spotting, and tightly framed submissions—paired with clear communication so clients understand their options at every stage. He has appeared and instructed in the NSW Local, District and Supreme Courts, Court of Criminal Appeal, NCAT, Queensland Supreme Court and Supreme Court of South Australia.
Known for his solutions-focused mindset, Harry works closely with counsel and relevant experts where appropriate, coordinating evidence, refining case theory, and pursuing the most effective pathway consistent with the client’s instructions—whether that involves negotiating outcomes or running contested hearings.Harry regularly instructs junior and senior counsel in the NSW District and Supreme Courts and Court of Criminal Appeal.
In addition to his criminal practice, Harry has experience in civil litigation, bringing the same analytical rigour and attention to detail to disputes outside the criminal jurisdiction.
