Meet The Beaches Dental Mona Vale Team

Dr Michael Johns

Dr Michael Johns is a principal dentist at Beaches Dental Mona Vale. He has been helping patients throughout Mona Vale and the Northern Beaches for almost 30 years. As one of the longest-serving dentists still practicing in Mona Vale, he has many loyal patients.

Dr Johns graduated from the University of Sydney in 1980 and began his career at a busy dental surgery in Parramatta. He then set up in Mona Vale and built his reputation as a family dentist focusing on general and cosmetic dentistry.

Dr Johns places great importance in continuing education. He is an avid attendee at many local and overseas conventions and courses covering all aspects of dental innovation. He has a particular interest in Endodontics, Implantology and Cosmetic Dentistry. Dr Johns is also a member of the ADA and the Manly Warringah Dental Study Group. 

Michael and his wife, Karen, have lived in the area for more than 36 years, raising three children. They are active members of the community through local schools, the Avalon Lions Club, various Chambers of Commerce and the ‘Save the Mona Vale Hospital’ Committees. Both Michael and Karen work on many campaigns to protect and support the local community and environmental issues. 

Dr Johns loves keeping fit and healthy with morning runs and surfs before work. He loves travelling with Karen and the occasional surf or snowboard trip away with mates!

Dr Meredith Gay

Dr Meredith Gay is a principal dentist at Beaches Dental Mona Vale. She loves caring for all her patients and increasing awareness about oral health in the community. 

Dr Gay graduated with Honours from the University of Sydney in 2011 with a Bachelor of Dentistry. She was working in Penrith for over 7 years before joining the team at Beaches Dental Mona Vale. Dr Meredith loves learning. She has done many continuing education courses to develop her skill set and ability to provide the best possible dental care to her patients. She is a member of the ADA, the NSW Endodontic Society and Manly Warringah Dental Study Group. 

Dr Meredith Gay offers a complete range of dental treatments. She has a particular focus on preventative, restorative and cosmetic dentistry. She enjoys treating the whole family – from kids to grandparents and everyone between. She takes the time to get to know her patients, creating tailored treatment plans which she explains in detail. 

Meredith is also a busy Mum, raising her kids on the Northern Beaches. In her free time, you’ll find her at soccer games, in the park, riding her bike with the kids or relaxing on the beach with family.

Dr Isaac Suh

Dr Isaac Suh graduated Dentistry from the University of Queensland. He then went on to provide dental care in both Private practice and Public hospitals working in Brisbane, Toowoomba and Bribie Island where he had the opportunity to carry out extensive oral rehabilitation treatments.

Dr Suh has since returned to Sydney where he has established a reputation for quality dental services. These include general, cosmetic and emergency dental care. He is committed to continuing his professional education and keeps up to date with the latest industry developments by attending national and international seminars. Dr Suh is passionate about all fields of dentistry but has a special interest in regenerative and cosmetic dentistry.

Dr Isaac has a gentle and friendly approach and aims to make all his patients, young or old, feel at ease in his care. He takes the time to provide quality dental care. He explains everything fully, so his patients always know what to expect. 

Outside of dentistry, Isaac enjoys camping, fishing and bushwalking, often accompanied by his drone. He also loves tending to his collection of growing bonsai trees at home and has a soft spot for parrots.

Dr Alan Trinh

Dr Alan Trinh graduated from Sydney University in 2001. He then went on to work in rural and regional centres across NSW. During this time he became passionate about oral surgery. Upon returning to Sydney, he joined the Department of Oral and Maxillofacial Surgery at Sydney University. He held Associate Lecturer and Clinical Associate titles there for many years. 

A member of the Royal Australiasian College of Dental Surgeons, Alan holds a Graduate Diploma in Clinical Dentistry in Oral Implants from the University of Sydney. Dr Alan has been performing oral surgery and dental implant procedures for over 15 years. 

Dr Alan Trinh’s patients love his honest and fun nature, and how at ease they feel in his care. He takes the time to get to know his patients and has a reputation for quality dental care you can rely on. 

Alan loves skiing, travelling and the wonders of Japanese sake as well as spending quality time with his family.

Dr Jim Williamson

Dr Jim Williamson graduated as a Dentist in London in 2002. Dr Jim went on to work as a Dentist in the UK practicing in Cornwall, Brisbane and then back to the Channel Islands where he grew up before permanently locating to Sydney in 2008.

Dr Jim offers patient centred, gentle dental care backed with sound practice knowledge and skills. He loves helping his patients achieve their ultimate oral health in a comfortable environment where they can feel at ease.

In his spare time, you’ll find Dr Jim Williamson keeping fit by running around the beautiful Narrabeen Lake. He has two children, Jack and Nina, who both attend a local junior school. Dr Jim is a proud Sea Eagles member of 8 years. He also has an interest in men’s mental health.

Dr Nicole Olivera

Dr Nicole Olivera graduated top of her class at the University of Sydney, winning prizes in the areas of oral medicine and oral pathology.

Dr Nicole enjoys teaching and is currently a clinical educator for dental students at the University of Sydney. She has worked in the public sector at Westmead Hospital, Sydney Dental Hospital, as well as providing care to rural NSW communities with the Royal Flying Doctors service. Previously, she has also worked at private practices in Bondi and the Sydney CBD.

Friendly and compassionate, she has a caring manner and does all she can to ensure her patients have a positive experience each visit. Dr Nicole loves working with children. Her aim is to provide high quality dentistry while making her patients feel as comfortable as possible.

Dr Nicole grew up on the Northern Beaches and enjoys spending time being involved in the community. In her spare time, she loves travelling, fitness and vigorously discussing all the latest TV shows.

Dr Chris Contreras

Dr Chris Contreras loves all aspects of dentistry but is especially passionate about helping dental anxious patients overcome their dental fears and is fabulous with engaging children on their oral health journey.

Dr Chris is a caring General Dentist and Oral Health Therapist who has worked as a clinician for the past 14 years. After Chris graduated Dentistry at Charles Sturt University (B. Dent Sci) in 2014, Chris focused his skills into providing cosmetic and restorative treatments with a calming and gentle approach. Also working as an Oral Health Therapist after graduating from the University of Sydney (B. Oral Health) in 2008 Chris has earned a strong background with gum disease treatment and children’s dentistry.

Dr Chris is a proud father of 2 young boys, loves having a good chat and is also fluent in Spanish. Dr Chris is a member of the Australian Dental Association and is very committed to professional development and continued education.

Dr Byron Kwok

Dr Byron Kwok graduated as an engineer before switching over to dentistry, completing his Bachelor of Dentistry in 2009 from the University of Sydney. Since then, he has worked at several private practices around Sydney and has been serving the northern beaches community for over 10 years. Byron enjoys spending time with his patients, getting to know the person behind the smile, to be able to offer personalised care and attention tailored for each individual. Dr Byron holds a special interest in cosmetic and reconstructive dentistry as well as endodontics (root canal therapy). He has attended countless courses and seminars throughout his career with the sole focus of improving the quality of his patient care.

As a patient you will find Dr Byron caring and gentle, with the ability to help calm even the most anxious of patients. He has a keen and fastidious eye for detail, to recreate beautiful and confidence inspiring smiles. Byron is also focused on prevention and education, to teach his patients how best to maintain healthy teeth and gums.

Outside of work you will find him fishing or relaxing at the beach, spending some quiet time with his wife or chasing after his two young kids. He loves listening to jazz, playing basketball and has a passion for good food and wine.

Dr Winey Wan


Dr Winey Wan began her dental journey in 2008 as an Oral Health Therapist. She then decided to become a dentist, graduating from Charles Sturt University in 2013. Her experiences have helped shape her interests in dentistry. These include preventative dentistry, helping patients with dental-related anxiety, working with patients who have special needs. 

Dr Wan’s interest in treating children led her to further studies in paediatric dentistry at the University of Sydney. When Dr Wan isn’t at Beaches Dental Mona Vale, she treats patients at both Randwick and Westmead Children’s Hospitals. You’ll also find her teaching undergraduate students at The University of Sydney in the discipline of Paediatric Dentistry. 

Dr Wan’s patients know her for her soothing and gentle nature. Dr Wan loves helping patients feel as comfortable as possible in the dental chair. She aims to make every dental experience a positive experience for all her patients.

In her free time, you’ll find Winey exploring the world and its different cultures. She also loves chasing rainforest waterfalls and climbing mountains to catch the sunrise. She is currently in search of a sunrise that can outdo the one she saw on Mt Everest!

Support STaff

Meet our support staff – Jette, Linda, Lisa, Kate, Carol, Clare, Erin, Ashley, Sarah, Storm and Tracey. They’re here at Beaches Dental Mona Vale to welcome you with friendly smiles! They work together to make sure you feel relaxed before, during and after your appointment!

Our wonderful support staff work hard to ensure your safety and wellbeing at our practice by keeping up with all current infection control guidelines. 

Our Team - Beaches Dental Mona Vale