Meet the Team
Clinicians
Dr Scott Cooper, Principal Dentist
BDSc University of Qld
Dr Scott Cooper has been a familiar face at our practice since 1993, known not only for his clinical expertise but also for his approachable nature, sense of humour, and unmistakable ’90s music taste. His long-standing patients appreciate his honest, high-quality care—and many still remember his signature curly hair from back in the day.
Dr Alastair Brown, Principal Dentist
BDS Newcastle University (UK)
Alastair graduated from Newcastle University in the UK in 2008. After gaining valuable experience working in the NHS across England, he moved to Australia in late 2010 to join Scott Cooper at Wyoming Dental Surgery. In 2020, Alastair became partner alongside Dr. Cooper and is currently the principal dentist at Renwick Dental.
Dr Jeanne Chong
Jeanne graduated from the University of Sydney in 2001. She was a partner at Renwick Dental from 2004 to 2020. Jeanne enjoys all aspects of general dentistry, including paediatrics, oral surgery, crowns and bridges, anterior composite resin, and implant restorations.
She is married and a proud mother of two primary school-aged children. In her free time, Jeanne enjoys baking, skiing, indulging in chocolate, and sipping on good coffee.
Dr Sophie White
BSc (Bioned) UTS, BOH UoN, BDSc CSU
Dr. Sophie White is a dedicated dentist with over 20 years of experience in the dental field. Growing up on the Central Coast, she began her career as a dental assistant, where her passion for patient care and optimum health inspired her to pursue further education.
Dr Stephanie Sparrow
BDS CSU Orange
Stephanie joined Renwick Dental as a dental assistant in 2006 and worked alongside dentists such as Dr Moran, Dr Gault and Dr Cooper for many years. Through this work she gained a valuable experience and insight in the dental industry and was then encouraged by her peers to study dentistry.
Dr Esther Rizk
BDS James Cook University
Dr Esther Rizk earned her Bachelor of Dental Surgery from James Cook University in Cairns, where she gained valuable clinical experience across regional and remote communities. She is passionate about providing high-quality, compassionate care and has a gentle, reassuring approach that helps patients feel relaxed and at ease.
Dr Erika Dellaretti
BDS
Dr. Erika Dellaretti graduated in Brazil and practiced dentistry there for several years before moving to Australia. Dr Dellaretti is enormously knowledgeable on many of the more cosmetic avenues of oral health, including injectables, veneers, same-day crowns and implants.
Dr Ann-Marie Youssef
BDS James Cook University
Ann joined our practice in early 2026 bring experience from working in rural NSW. Ann is extremely gentle and fantastic with our more anxious patients.
Lana Brown, Hygienist
BOH University of Newcastle
Lana Brown has been a valued member of our team for over two decades and holds the distinction of being our practice’s very first hygienist. A proud Central Coast local, Lana began her journey with us as a high school student completing work experience in 1999, later joining the team as a dental nurse.
Zali Williams, Therapist
BOHT University of Newcastle
Zali joined us in 2026 after graduating locally with a Bachelor of Therapy. Zali is enthusiastic, kind and loves to take the time needed with kids or anxious patients. Prior to graduating as a therapist, Zali worked with Renwick Dental for over three years and has built a fantastic connection with all of our lovely patients here.
Support Staff
Sheree
Business Coordinator
Sandra
Practice Manager
Caitlyn
Wyoming Practice Coordinator
Tina
Ourimbah Practice Coordinator
Ashleigh
Treatment Coordinator
Kylie
Wellness Coordinator
Rhiannon
Maintenance Coordinator
Visiting Clinicians
Dr Katherina Klinar
Kathrina is a caring and experienced dentist who loves making her patients feel comfortable and at ease. She completed her Bachelor of Medical Science with Honours at the University of Sydney in 2005, and graduated with a Bachelor of Dentistry from the same university in 2009, receiving the Rudolf Gunz University Medal for academic excellence.
Dr Zanab Malik
Special needs dentist
Zanab completed her undergraduate dentistry training with the University of Adelaide. Post graduation, she worked extensively in the Special Needs Dentistry departments at both tertiary referral dental hospitals in NSW (Westmead Centre for Oral Health and Sydney Dental Hospital).