Iona is a lay minister for the Anglican Church in Australia. She previously worked in public relations, most notably with Rothmans Williams Renault Formula One team. In her sporting career Iona represented Great Britain in Speed Skiing and holds the titles of 1986 Ladies British Overseas Champion and New Zealand Ladies Champion. Iona also rode for the Irish Endurance Equestrian Team in the World Equestrian Games and European Championships.
