Betty Cantor Jackson
Biography
Betty Cantor-Jackson (born September 18, 1948) is an American audio engineer and producer. She is best known for her work recording live concerts for the Grateful Dead from the late 1960s to the early 1980s, including the band's highly-lauded May 8, 1977 concert at Cornell University. She is noted for her ear for recording and her long tenure with the band.
Bio from Wikipedia