Meet the team

At Portman Dental & Implant Clinic our highly skilled, friendly team shares the same single vision: we put you first. Together, we are dedicated to providing you with a first class experience, from the comfort of our reception to the very latest innovations in dental technology. We make sure you have the best possible care from the second you walk through the door.

Find out more about each of our practice team members below.

Gustavo Silva

Dental Practitioner
DDS MSc
GDC No. 104605

Gustavo qualified in Portugal in 2004 and still travels to Lisbon on a regular basis to treat patients. He has taken further studies in both implantology and surgical periodontology in 2009 in Portugal and London and continues to work together with experts in the area of peri-implantititis and full mouth rehabilitation.

Dr Joanna Howden

Dental Practitioner
BDS
GDC No. 59851

Dr Jo Howden qualified from Guys Hospital in 1985. Over the last 25 years Jo has continued her passion to deliver excellence in general dentistry, including 3 years with Her Majesties Forces. She joined Boots in Piccadilly circus when it opened, transferring to Maidenhead when she started her family. Jo is passionate about giving the best care for her patients. Finding long lasting solutions for patients’ dental needs has meant a (loyal) dedicated following over the 20+ years she has been practising.

Jo has a wonderful calming and gentle nature that will put even the most nervous patients at ease. To compliment her dentistry in 2007 Jo started offering facial aesthetics, including Botox, fillers and skin needling treatments, which following a principle of a natural look for her patients, continues to be a big success. With a son just in secondary school and a daughter in primary school much of her time is spent as taxi driver to various sporting events. Jo can be seen walking their dog around the countryside surrounding Henley. This summer Jo reached the final in her local regatta.

Kam Lee

Dental Practitioner
BDS
GDC No. 61083

Kam Lee qualified from Glasgow University in 1986 and for the last 30 years has continued to enjoy the variety that general dentistry brings to caring for the whole family. He feels privileged to have served families locally for the last 27 years and is described by his patients in independent surveys and testimonials as gentle, kind and caring. He was awarded Denplan Excel Accreditation in 2011 for his ongoing commitment to ensure his patients are receiving the highest standard of care and customer service.

In testament to the relationships he has built, patients travel far and wide to see him for their continuing dental care. Having previously enjoyed the adventures of scuba diving and bungee jumping from insane heights he is now content with the leisurely pursuits of cycling, gardening and cooking for friends and family.

Keshari Leelasena

Dentist specialising in Endodontics
MSc Lond 1998, BDS Lond 1993
GDC No. 69692

Keshari qualified BDS with Distinction from Kings College, London in 1993. After completing one years vocational training, then two years as a Senior House Officer in Restorative Dentistry followed by Maxillofacial Surgery, she enrolled into a two-year Masters Degree course in Endodontics at the Eastman Dental Hospital, London. Keshari passed her Msc in Endodontics with Distinction in 1998. She has focused her practice to Endodontics since 1997 and gained entry onto the Specialist List for Endodontics in 2001.

Keshari has worked as a referral Endodontist since 1997 for several NHS Trusts and also established two private endodontic referral practices. She receives referrals from General Practice, Community and Hospital Services. Keshari is also a member of the Langham and British Endodontic Societies and was on the database of Expert Witnesses for the Dental Defence Union between 2005 and 2010.

Endodontics deals with the management of infection from the dental pulp or in layman’s terms root canal treatment. With modern technology, knowledge of the latest treatment principles and a high level of patient care, Keshari routinely achieves excellent clinical results for her patients.

Tania Rafael Garcia

Dental Practitioner
Qualifications: DDS, MSc (Periodontology)
GDC No. 118959

Tania Rafael Garcia is our new addition to the Portman Dental Clinic and will be working alongside our periodontist George Dimakis.

Tania qualified in the prestigious Egas Moniz Institute in Lisbon in 2007 having simultaneously completed one year training in Madrid at the Universidade PIO X where she was awarded distinctions and awards on the clinical disciplines including paediatric and geriatric special care. She returned to Lisbon and started her Master of Science degree in Periodontology which she was awarded in 2009. Tania spent a lot of time in private practice but also devoted her time to her hometown hospital where she modernized the stomatology department and worked alongside with experienced surgeons. Tania moved to the UK and completed both a modular surgical Periodontology degree and an implant residency.

Tania dedicates her time to the exclusive practice of Periodontology and is a strong believer that this disease can be controlled if all the factors are studied and treated accordingly. She has presented extensively in centres of excellence and will work alongside our team of hygienists and resident periodontist to achieve long lasting stability for periodontal patients.

She is a passionate mother of one and enjoys returning to Portugal and divides her time between the mountain and the beach and she regularly visits her old university where the academic music group (Tuna) that she helped grow during her study years still performs. She is also a keen musician.

Dr Avan Mohammed

Specialist Orthodontist
BDS (Lond) 2011, MJDF RCS (Eng), PG Cert Aesthetic Medicine (Distinction,) M. Ortho RCS (Eng), Doctorate (Ortho)
GDC No. 212238

Avan has recently joined Portman Dental & Implant Clinic, in Maidenhead, as a Dentist with a Specialist interest in Orthodontics. She qualified from Queen Mary’s University of London in 2011 with a Distinction. Since then she has completed further post graduate training in Advanced Facial Aesthetics achieving a Distinction from the University of London in 2014 and trained as a Specialist Orthodontist at the Royal London Hospital. She holds a research Doctorate degree in Orthodontics and Obstructive Sleep Apnoea (OSA).

Avan offers a full range of orthodontic treatment options including traditional metal braces, ceramic and removable braces as well as growth modification treatment. She is also certified to provide Invisalign and Incognito treatment.

Libby Cronen

Hygienist
Dip DHDT RCS (Eng) 2005
GDC No. 101296

Libby qualified with merit from the Eastman Dental Hospital (RCS London) in 2005.

She has since worked in a variety of settings and thrives on continuous learning, formulating preventative care plans with her patients for them to follow at home and helping people feel more confident in their smiles!

With her dental therapy background, Libby has a special interest in treating nervous patients and children.

She regularly takes time out of clinic to volunteer in local schools, teaching children of all ages how to keep their mouths healthy.

In 2017 Libby was awarded Hygienist of the Year at The Dental Awards.

In her spare time Libby enjoys spinning, weight training, swimming and spending time with her family.

Sophie Manners

Hygienist
Dip Dent Hygiene Lpool 2016
Diploma in Therapy Lpool 2016
GDC No. 206332

Sophie joined our hygiene team in early 2017; she completed her hygiene qualification in December 2016 in Liverpool. Up until 2014, Sophie was our Head Dental Nurse at our Henley practice, Courtrai House. We could not be happier to welcome her back into the Portman Family, we are so proud of Sophie's achievements and we are thrilled to have been part of Sophie's development.

Zabrina Camilleri

Dental Nurse
National Diploma in Dental Nursing NEBDN 2020
GDC no. 288514

Charlotte Bullock

Dental Nurse
Diploma in dental Nursing Level 3 QCF City & Guilds 2019
GDC no. 283226

Aseela Jalali

Assistant Manager and Head Dental Nurse
Diploma in Dental Nursing Level 3 QCF City & Guilds 2013
GDC no. 247792

Hayley Bint

Treatment Coordinator
Verified experience in Dental Nursing
GDC no. 158261

Hayley has been a dental nurse for 17 years and joined Portman Dental Clinic in 2016. Her favourite areas of dentistry include working alongside the specialists and open surgery. She is bright and cheerful and makes people smile. Outside of work Hayley enjoys spending time with her family and socialising with her friends.

Lauren Williams

Head Receptionist

Lauren joined Portman Dental Clinic in November 2016; however she is not new to the dental industry having worked in other practices in the past and after a few years, has found her way back to the dental industry. Lauren enjoys being the first point of contact for the patients and making sure they have the best experience whilst they are attending our practice. Outside of work Lauren likes to visit new places and spend time with friends and family.

Also in this section

The care of our patients is always our primary concern.

Next steps

Ready to see one of the team?

If your ready to book an appointment, get in touch today.

Portman Dental Care Awards

Fmc Logo 2019 Winner Oby M25
Award Logo 2018
Dental Industry Award - Portman Dental Care
Private Dentistry Awards - Portman Dental Care
The Dentistry Awards - Portman Dental Care
Elite Practice Award - Portman Dental Care

COVID SECURE - Our practice remains OPEN and welcoming patients. We have introduced several ways to keep you safe, take a look for more information.

COVID SECURE - WE ARE OPEN