John O'Neill is a professional referee known for officiating various sports, particularly in soccer. He has gained recognition for his ability to manage games effectively and maintain control on the field. O'Neill's experience includes overseeing matches at both local and national levels, contributing to his reputation in the officiating community. Throughout his career, O'Neill has been involved in numerous high-stakes games, showcasing his skills in decision-making and communication. His commitment to fairness and integrity has made him a respected figure among players, coaches, and fans alike, highlighting the important role referees play in sports.