Bernadette Grzelak leads the firm’s fourteen sweep technicians and the workshop in Secaucus. She joined in 1991 after twenty-two years as a line engineer with the telephone company, where she spent much of her time finding things on lines that should not have been there.

She has found microphones in a chandelier, a hearing aid, a christening present and, on one occasion, in another microphone. She trained most of the firm’s field technicians, several of whom have gone on to careers elsewhere, and she wrote the Consumer Device Survey 2024, which began as a tally she kept on the back of her clipboard