Arnaz Marker is the daughter of Cyrus Minwalla and Mehra Minwalla, and comes from a leading business family of Karachi, Pakistan.
Educated in Mama Parsi Girls School, Karachi, Arnaz later went on to study at Charters’ Towers in England and Ecole Hoteliere de Lausanne, Switzerland. Her business career began in 1959 and continued for over thirty years. Arnaz was the Director of Hotel Metropole, Karachi and Grand Hotel, Sindh. She extended her business activities to New York in 1971, and maintained her interests in both Karachi and New York during this period.