Our friendly team includes three dentists, a dental hygienist/therapist, dental nurses, receptionists and administration staff. With many years experience and training, we are dedicated to making your visit as pleasant as possible.

Dr Geoff Wallman BDS (Adel)

Practice Principal and Dental Surgeon

Geoff is a registered dental surgeon with over 30 years of experience. He graduated from Adelaide University in 1981 and has worked as a general practitioner in Hong Kong for ten years. After moving back to South Australia with his family, he established practices in the Barossa Valley, Strathalbyn and Blackwood.

Geoff has extensive experience in implant technology, crown and bridge, and laser dentistry. He has undertaken extensive postgraduate studies in prosthetic and surgical implant therapy and minor oral surgery.

He is a current member of the International Team of Implantology and a past member of the European Society of Oral Laser Applications.

Geoff’s wife Deborah is also involved in the administration of the practice. They have two children and enjoy golf and fishing in their spare time. Golf jokes are always welcome!

A member of the Australian Dental Association, SA Branch.

Dr Marsha Daych BDS (Adel)

Dental Surgeon

Marsha graduated from Adelaide University in 2001. She has worked in private practice for the past ten years initially in Hobart, Tasmania before moving back to South Australia in 2006.

Marsha has tutored dental students at the Adelaide University and is interested in all aspects of general and cosmetic dentistry, tooth colour restoration, endodontics and implant dentistry.

With three active young children Marsha still manages to be an extremely accomplished pianist in her spare time.

Marsha is a member of the Australian Dental Association, SA branch and a member of the College of Dental Surgeons.

Dr Clare McCusker BDS (Glasgow)

Dental Surgeon

Since graduating Clare has worked as an associate dentist in both the Scottish National Health Service and Australian private practice. She has managed and grown her patient list successfully in multiple practices as a result of her excellent patient care and the reputation she has earned over her time working in these roles.

Clare is also a registered provider of Invisalign, clear aligners that straighten teeth without braces. She also has implant restoration skills and a keen interest in restorative dentistry and endodontics.

Clare is the newest member of the Blackwood Dental Team and we look forward to you meeting her. She may come all the way from Scotland, but she has settled right in here in the Adelaide Hills.

Olivia Keates BOH (Adel)

Oral Health Therapist

Olivia is an Oral Health Therapist who graduated from the University of Adelaide in 2008. Since graduating Olivia has worked in Perth and Kalgoorlie for the past 12yrs in private practices.
Olivia specialises in both fields of dental hygiene and therapy and is very passionate about the prevention of oral diseases, her philosophy is keeping teeth for life.
Olivia is passionate about general health with a qualification in Nutrition and enjoys spending time outdoors exploring and travelling with her Husband, Daughter and 2 dogs.


Daniel Choo BOH (Adel)

Oral Health Therapist

Daniel is an Oral Health Therapist who joined the Blackwood Dental team in 2019, having graduated from the University of Adelaide in 2018. During his studies, he was selected to travel to Cambodia to provide dental care to underprivileged children.

As an Oral Health Therapist, Daniel has a strong focus on children and adolescent dentistry, as well as the prevention and management of gum diseases. He is committed in creating an enjoyable and positive dental experience for all of his patients, through a friendly and caring manner.

Outside of work, Daniel enjoys spending time with his friends and family, exploring the local food culture, travelling and playing badminton.



Dr John Jenner is the visiting orthodontist to our practice.