Meet the Team
Dr Michael Nigro BDS (rand)
Michael is a senior partner and practices at Roseneath on a full time basis. He qualified in 1992 from the University of the Witwatersrand, Johannesburg, South Africa. In 1995 Michael became a partner at Roseneath. His clinical interests include cosmetic dentistry, endodontics, implantology, invisalign, and anti-ageing facial treatments. When not in the surgery Michael enjoys playing tennis, running and travelling abroad.
Dr Kieryn Smart BDS (Rand)
Kieryn is a senior partner and practices on a full time
basis at Roseneath. He qualified in Johannesburg, South
Africa in 1992. He began his career in London after qualifying
and joined Roseneath as a partner in 1995. Kieryn is passionate
about dentistry and being a dentist. His particular interests
are smile make-overs and mouth rebuilds encompassing life-like
porcelains and cutting edge implant dentistry. Out of the
surgery Kieryn enjoys travelling to Italy with his Italian
wife. He enjoys sport and the outdoors and most spare time
is spent horse riding.
Dr Colin
Maher BDS (Cork)
Colin is a senior associate and practices on a full time
basis at Roseneath. He graduated in 1998 from University
College, Cork, Ireland. Since graduation Colin has held
associate positions in both Australia and the UK, gaining
much valuable experience. He enjoys attending study courses
and learning the newest techniques. Colin has a special
interest in cosmetic dentistry, endodontics and implants.
He is a keen sports fan with a particular love of rugby.
Dr Fabrizio Castellari BDS (rand) DRDP (London)
Fabrizio is a senior associate and practices at Roseneath on a full time basis. He qualified in 1997 from the University of the Witwatersrand in Johannesburg, South Africa, and moved to the UK where he started his professional career. In 2006 he completed a post graduate diploma in Restorative Dental Practice with the Eastman Dental Institute in London. He enjoys all branches of dentistry, with particular interests in surgical and cosmetic procedures, smile design and non invasive facial cosmetic procedures (Dermal fillers and Botox). He speaks four languages, some better than others. Sport, travelling, music and art take up most of his spare time.
Our Team of Hygienists

Maureen McHale, EDH

Elaine Barrington, EDH

Helen Pettit, EDH
Amongst the adult population in the UK, gum disease is the greatest threat to your teeth, claiming responsibility for a staggering 75% of all tooth loss. Maureen, Helen and Elaine play a central role in helping our patients keep their teeth for life. They can see where the plaque and calculus has built up on your teeth, and can give your teeth a professional clean to remove it. They are also expert in advising on additional cleaning methods to help combat gum disease.
Our Team of Nurses
Anna, Alex, Anna and Marta are our team of qualified dental nurses. They provide the professional support service to the dentists and ensure that our patients visits to Roseneath are as comfortable and relaxing as possible.
Our Team of Receptionists
Kim, Sandra, Sue and Gosia ensure that everything at the practice runs smoothly and always aim to provide a first class customer experience for all of our patients.
