Appointed in 2011, N. William Delker is an Associate Justice for the New Hampshire Superior Court. In July 2014, Chief Judge Tina Nadeau designated Delker as the Supervisory Judge for Rockingham County Superior Court where he had been sitting since his appointment. In December 2019, Judge Delker transferred to the Hillsborough Superior Court-North in Manchester to fill a vacancy in that courthouse. Delker has been a member of the superior court law clerk hiring committee since 2014. He also is a member of the NH Judicial Conduct Committee and the NH Supreme Court Advisory Committee on Rules. He has actively been involved in civics education through the annual Bar Association Law Day program, civics classes visiting the courthouse, and a program on constitutional law he helped develop in conjunction with Exeter High School and the American Independence Museum.
Prior to joining the bench, Delker was a Senior Assistant Attorney General in the NH Attorney General's Office, where he worked as a Prosecutor for 13 years. While at the Attorney General's Office, Delker prosecuted many high-profile homicide cases, including the capital murder case against Michael Addison. He founded the NH Cold Case Unit, prosecuted white collar and public integrity crimes, and worked in the appellate unit. Delker also served as bureau chief of the Criminal Justice Bureau. Prior to that, he started out as an Associate at Testa, Hurwitz & Thibeault in Boston and a Law Clerk for NH Supreme Court Justice Sherman Horton.