Thoroughbred Horses

Thoroughbred Horses Advisory Panel

Jonathan D’Arcy (Chair)

Jonathan has over 45 years’ experience in the Australian Thoroughbred Industry, including 39 years with Inglis as an auctioneer and bloodstock consultant. He has previously served on the Inglis Board and chaired the Society of International Thoroughbred Auctioneers (SITA), where he led key reforms in industry standards. With deep connections across breeding, bloodstock and racing sectors, Jonathan brings strategic insight and a strong commitment to advancing research and development. He is passionate about ensuring the sustainability of the industry through improved management practices.

Jacqueline Stewart

Racing Australia

Jacqueline is Keeper of the Australian Stud Book, the official authority for the identification of racehorses in Australia. The Australian Stud Book, a division of Racing Australia, was established in 1878 and contains records of the second largest population of thoroughbreds in the world. Jacqueline leads the Stud Book and Registration team to provide independent breed integrity and ensure it continually strives to improve the services for owners and breeders to remain a world leader in its field. Jacqueline joined the Australian Stud Book in 1998, becoming the Deputy Keeper from 2005 and the Keeper in 2014.

Dr Guy Lester

Equiimed

Dr Lester is a veterinarian with extensive experience in referral equine medicine. He is a board-certified specialist in medicine of horses and has a PhD in equine physiology. He is an Emeritus Professor with the University of Florida and an Adjunct Professor with Murdoch University. Dr Lester’s research interests include gastrointestinal disease, cardiac disease, and respiratory disease including exercise induced pulmonary haemorrhage and asthma and he has authored over 100 research articles and book chapters. He currently runs Equiimed, a consultancy practice in Western Australia.

Dr Fiona Lacey

Mogumber Park Thoroughbred Stud / Olive Grove Equine Clinic

Dr Fiona Lacey is a Thoroughbred breeder and co-owner of Mogumber Park Thoroughbred Stud in Western Australia, a boutique breeding operation she manages in partnership with her husband, Colin Brown. Fiona has extensive experience in equine breeding and reproductive management, supported by a career that has spanned both Australia and international thoroughbred industries. After graduating from Murdoch University in 1998, she worked in a large racetrack practice in South Australia before moving to Agnes Banks Equine Clinic in New South Wales. She then gained further experience in leading reproductive practices across Northern Ireland, England, and New Zealand. Returning to Perth in 2004, Fiona established Olive Grove Equine Clinic in 2006, located on the Mogumber Park property. The clinic supports both her own stud operations and the broader breeding industry, with a strong focus on equine reproduction. Through her combined experience as a breeder and veterinarian, Fiona brings a practical, end-to-end understanding of Thoroughbred production, from breeding and foaling through to early development.

Dr Wendy Perriam

Gundy Veterinary Services

With a wealth of experience spanning three decades in equine veterinary practice, Wendy Perriam’s primary focus lies in optimising the fertility of mares and stallions, striving for the best breeding outcomes, and ensuring the health and development of neonates through their critical first year of development. Wendy’s commitment extends beyond clinical practice, serving on the board of the Hunter Valley Equine Research Centre, where her efforts are dedicated to funding research with direct relevance to the thoroughbred industry. With a scientific mindset and dedication to practical and applicable solutions, Wendy is continually working to advancing the equine industry.

Ryan Arnel

Stonehouse Thoroughbreds

Ryan’s lifelong passion for Thoroughbreds began watching races alongside his grandmother, who managed Victoria’s first TAB. His hands-on work with stock horses and oversight of a 32,000-head sheep enterprise and 3,000-head cattle at Banongill Station led to an Australian Stud Book Scholarship. Ryan further honed his skills in sales companies and the thoroughbred industry in Australia and New Zealand. His international experience includes managing Mickley Stud in the United Kingdom and shuttling a stallion to Chile, providing insights into South American thoroughbred practices.