Meet the team


Harewood has built an exceptional team of professionals who are ready to provide the highest levels of care, technical ability and experience using cutting equipment and the latest technologies.

Led by practice Principal Olha Medvid you are in great hands. 

Dr Olha Medvid, DDS
Practice Owner & Clinical Director

(GDC No.199633)



Olha has over 18 years of clinical experience in general dentistry with a special clinical interest in Orthodontics, Cosmetic and  Restorative dentistry. Her commitment to perfectionism and natural propensity for artistic excellence have made her very popular with patients, both adults and children.

Olha is distinguished for treating complex, multidisciplinary cases, but more importantly, loves having the opportunity to see a patient achieve a smile transformation they only dreamed of. She prides herself on taking the time to get to know her patients and build lasting relationships as their partner in achieving optimal oral health.

After graduating from dental school with distinction in Restorative Dentistry (DDS) she completed a Specialist training in Orthodontics. Soon after that she accepted a position as an Associate Professor at the Department of Paediatric Dentistry and Orthodontics. Olha dedicated 3 years to lecturing students and research in Dentistry.  Olha enjoys adapting latest techniques into her daily practice and frequently attends numerous training workshops worldwide.

Outside of providing advanced dental care for her patients and managing the practice, Olha is married with one son. In addition to her skill as a dentist, Olha used her attention to detail and skill as a pianist. She studied in several specialised musical schools in Europe and completed Grade 8 in piano.

Olha is a certified in Invisalign, 6 months smile, Inman aligner and has been treating her patients with fixed (braces) and myofunctional appliances (such as Myobrace) for 18 years.

Olha speaks English, German, Ukrainian and Polish.

Dr Ranya Kafena BDS
(GDC no: 73365)


Having been at Harewood since 2002, I have seen many of my patient’s needs change over the years. As a mother to two daughters, I also understand the need for good dental care for the whole family, and treating children, who then become cooperative patients and understand the need for good dental practices which are carried through to later life, is a priority.

I am always happy to advise my patients with their needs and I have particularly enjoyed seeing some very anxious patients relax over time to become regular attenders with minimal anxiety when attending appointments.

I enjoy practicing all aspects of dentistry from routine aesthetic fillings and tooth whitening to root canals, crowns, veneers and restoring implants, focusing on being caring and professional at all times.

I have also enjoyed growing my Invisalign practice, achieving beautiful results using this clear brace system.

I also attend regular courses to keep on top of the latest developments and treatment techniques to help with the many treatment we provide.

Preventive dentistry has been our approach at Harewood. Providing the best possible care to achieve a beautiful and healthy smile for the whole family with a focus on putting the more anxious patient at ease through good communication and, in doing so, demonstrating that dentistry needn’t be something to worry about.

Dr. Marios Hadjicharalambous

DDS, MClinDent Oral Surg (Hons)

Oral Surgeon

GDC number: 205517

Dr Hadjicharalambous qualified as a dentist from the University of Athens, Greece in 2010. He started his clinical career in several Units of Oral and Maxillofacial Surgery, where he developed a special interest in Oral Surgery and Implantology.

In 2012 he commenced his 3 year specialty training in Oral Surgery (MClinDent programme) at the world-renowned UCL Eastman Dental Institute in London and graduated with Distinction in September 2015. He currently works as a specialty doctor in Oral surgery department at Kings College Hospital where he divides his time doing complex dental surgical procedures and teaching undergraduate students. He has previously worked as Specialty doctor at the Oral and Maxillofacial department in Milton Keynes Hospital and in various private practices across London doing mainly Oral Surgery, Implantology, and dealing with cases involving Temporomandibular Joint Disorders and Oral Pathology.

His areas of clinical expertise are all forms of intraSave-oral surgery including removal of impacted wisdom teeth, removal of benign lesions in the mouth, dental implants and temporomandibular joint disorders. Marios is passionate about delivering modern dentistry based upon the best available research.

He is a member of The Royal Collage Of Surgeons and is awaiting registration as a Specialist in Oral Surgery with the GDC.

Enhanced skills and special interests in: Dental Implantology, Oral Surgery (wisdom teeth extractions, surgical extractions, apicectomies, bone surgery), Oral Pathology ( mouth diseases, biopsies, temporo-mandibular joint disease).


Dr Rajesh Patede MFDS RCSEd
Implant Surgeon
(GDC 154296

Dr Rajesh Patade graduated from the Guy’s, King’s and St Thomas’ Dental Institute where he obtained his Bachelor Degree in Dentistry (BDS) in 2008. Following this, he went on to complete a year as a Senior House Officer in Oral Maxillofacial surgery at the Luton and Dunstable Hospital. During this period, he completed his Membership of the Faculty of Dental Surgery (MFDS) at the Royal College of Surgeons Edinburgh.

To date he has placed over 400 implants and is experienced in tackling complex cases to restore lost bone volume with block bone grafting and sinus grafting. He is a member of the Association of Dental Implantology (ADI) and has a coveted Diploma in Implant Dentistry at the Royal College of Surgeons England (Dip Imp Dent).

Dr Patade has travelled to the United States and Europe to further his Cosmetic and Advanced Restorative skills and completed a certificate course in Cosmetic and Aesthetic dentistry in 2011. This enables him to treat even the most complex cases involving a mixture of implants and teeth.

Outside of work, he has a passion for travel, which has taken him to South America, the Galapagos Islands and the Far East. More recently, his adventures have been put on pause as he has 3 young children who keep him rather busy and very much on his toes!


Dr Pav Pandher BDS MJDF RCS (Eng)
(GDC 153912)


Pav graduated from the University Of Sheffield in 2008, and worked as a Senior House Officer at Guy's Hospital, before completing his Membership exams for the Royal College and post graduate training at the Eastman Dental Institute. 

His approach to dentistry is centred around clinical excellence and enjoying a positive relationship with his patients and colleagues.

Clinically, Pav likes all aspects of dentistry, but holds a keen interest in cosmetic treatments and Invisalign orthodontics.

Outside of work Pav is a huge film fan and loves to travel.


Helen Horsfield
(GDC No. 


Helen qualified as a Dental Hygienist from the Royal Army School of Dental Hygiene in 1991; since this time she has diligently continued her professional development so that she keeps up to date with the latest dental health practices as well as relying on her years of experience of treating simple to complex dental health issues.

Helen has worked at Harewood since 1999 and is an active member of our professional body BSDHT (British Society of Dental Hygienists and Therapists). Helen is married with 2 daughters and volunteer is a Unit Leader for Girlguiding.

She is passionate about educating and providing our patients with the knowledge and skills to maintain and prevent dental disease, recognising the importance of this for general health and wellbeing.


Tanya Brunn
(GDC No. 


Tania qualified at the prestigious Eastman Dental Hospital.

Her first position was at Charing Cross Oral and Maxillofacial department caring for patients after reconstruction surgery.

The opportunity to work abroad took her to New Zealand where she lived and worked at a private practice before getting married and starting a family.

She then entered the world of corporate dentistry working for Shell International before returning to private practice and joining the Harewood team in 2011.

Always up for a challenge Tania has put her adventurous nature to good use... abseiling, sky diving and running half marathons to raise money for charities.

Over the last couple of years her passion has been rowing.


Andrea Buckley
Dental Nurse and receptionist
(GDC No. 151552)


Andrea started her Dental nursing career in 1993, qualifying in 1997. She still enjoys all aspects of Dentistry and interacting with our patients. 

Andrea can mainly be found on reception now but her main passion remains being in the surgery working alongside our Dentists. 

Outside of work I enjoy time spent with family and friends, reading and walking. 


Laura McDonnell
Dental Nurse
(GDC 286181)


Laura is a qualified dental nurse and has been working at Harewood for 4 years. She started as a trainee dental nurse and over the last four years have progressed and have been given more responsibility within the practice including compliance management and running the social media on Instagram and Facebook.

Laura hopes to progress into treatment coordination in the coming year. You’ll find Laura assisting our practice owner Olha and one of our dentists Pav. On Fridays she works on reception.

Laura enjoys personal fitness; she believes fitness is important mentally and physically. She enjoys meditating and winding down with mindfulness meditations in the evenings. Her other passion is a love of travel and exploring different cultures, foods and architecture.

Laura also loves surrounding herself with friends and family.


Sharon Greely
Dental nurse
(GDC No. 


Sharon was born in the village of Strete, South Devon and have worked at Harewood since 2002. 

Sharon met her husband, a Grenadier Guard and moved up to Surrey and has lived in the local area ever since.

She trained as a dental nurse in Kingsbridge and qualified in Aldershot in July 1991.



Harewood Dental Surgery
Christchurch Road
Virginia Water
GU25 4PT

Tel: :  01344 842 476

Email: info@harewood.dentist

Social Media: 


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Opening hours

Monday    08:30 - 17:30
Tuesday   08:30 - 17:30
Wednesday      08:30 - 17:30
Thursday      08:30 - 19:00
Friday      08:30 - 14:30
Saturdays   By appointment only
Sundays   Closed


Closed for lunch 1:00 to 2:00 PM

Meet the team

Cancellation policy:
If you do not attend or cancel less than 24 hours before the time of your appointment (i.e., at least 1 working day) you will be charged a fee if we are unable to fill the appointment with another patient.