Sparta resident William Knox has joined the law firm of Laddey, Clark & Ryan of Sparta. Knox, who has over 30 years of experience as a workers compensation trial attorney, was senior staff counsel for New Jersey Manufacturers Insurance Company. Knox will chair the firm’s workers compensation practice group. He will also handle estate and probate matters. Knox is Certified by the Supreme Court of New Jersey as a workers compensation attorney and is a graduate of Seton Hall University and the University of Alabama School of Law.