A Fellow of the Gemmological Association of Great Britain (Gem A), Juliet Weir-de La Rochefoucauld began her career at Sotheby's & Co., London. Based in France, she is also the author of Twenty-First century Jewellery Designers: An Inspired Style ISBN 9781851497294 (Antique Collectors' Club, 2013). Juliet's great-grandfather, Thomas Weir, founded the jewellers Weir & Sons in Dublin in 1869, a company that is still run by members of the family.