Based in Battle Ground, Washington, Dennis Humphrey operates as a digital restoration specialist and archivist focusing on the mid-20th-century American broadcast era. He manages the Old Time Radio DVD brand, where he transforms original transcription discs into high-fidelity digital formats. His work preserves historical media across diverse genres, including the suspenseful drama of The Whistler and the classic science fiction of X Minus One. Humphrey utilizes professional audio tools to eliminate surface noise and tonal inconsistencies, delivering these archives through specialized hardware collections for collectors and historians. A notable recent achievement in his preservation efforts includes the successful cataloging of the near-complete run of Dragnet, providing a clean audio experience for modern listeners. By appearing at venues like the Mid-Atlantic Nostalgia Convention, he maintains a presence in the educational and historical preservation sectors, offering technical expertise on the transition of analog media to modern storage formats such as SSD and USB 3.0 technology.