OUR TEAM

Hugh Cowley

GDC No. 80543 BDS, MFDS RCS, MFGDP, DipImpDent RCS

General and cosmetic dentistry with a special interest in dental implants, oral surgery and sedation

Hugh Cowley qualified in 2002 and has gained extensive experience within hospitals, the NHS and in private practice. He has special interests in oral and maxillofacial surgery, cosmetic techniques and sedation to enable nervous patients to access dental treatment; Hugh is Dental Phobia certified due to his sedation qualifications and knowledge.

Hugh has a Diploma in implant dentistry from the Royal College of Surgeons, and with over a decade of experience is involved in all aspects of implant treatment, oral surgery, general and cosmetic dentistry at Elmsleigh House. Hugh accepts referrals from other dentists, who trust Elmsleigh House with their patients’ care.

Cathleen Perrin

GDC No. 70012 BA (USA), DMD (USA), UK Statutory exam

General dentistry for all the family with a special interest in cosmetic dentistry and faster orthodontics for adults

Cathleen Perrin graduated in 1989 in the USA and practised dentistry in Atlanta for two years before moving to England in 1991. Cathleen is a general and family dentist offering dental care to all ages at Elmsleigh House Dental Clinic, and is valued for her consistent care and advice.

Cathleen also has a special interest in minimally invasive cosmetic dentistry that enhance a natural smile, such as whitening and cosmetic bonding.

Kit Spears

GDC No. 209544 BDS (Bristol) 2011; MSc (Dental Implantology) 2017

Special interest in dental implants, advanced restorative and cosmetic dentistry, and oral surgery

Kit's accolades include Best Multiple Implant Treatment in the UK 2023 Dentistry Clinical Case Awards and Best Young Implant Dentist in the UK 2023 Clinical Dentistry Awards; he has been shortlisted for many other awards.

Kit qualified in 2011 and has a Master’s degree in implant dentistry. He has attended numerous advanced implant courses in the UK and abroad, including an advanced surgical fellowship with Professor Urban. Kit has lectured in the field of implantology and is a College of General Dentistry-registered implant mentor. He is also course leader and clinical teacher on the Diploma in Implant Dentistry, run by Delta Dental Academy in Bristol. He is a member of the International Team for Implantology and the British Academy of Cosmetic Dentistry. 

Kit provides dental implant treatment at Elmsleigh House, and also accepts referrals from other dentists.

Manoj Tank

GDC No. 150480 BDS (Bristol) 2008; MJDF RCS (England) 2010; MClinDent (Perio) 2016; MPerio RCS (Edinburgh) 2016

Specialist in Periodontics (gum disease treatment)

Manoj is our Specialist in Periodontics, which means he has carried out further intensive training after his initial dental degree to master the clinical understanding and treatment approaches to periodontal conditions and diseases that can occur in the mouth. Manoj provides all aspects of non-surgical and surgical periodontal treatment including dental implant treatment. He is also trained in "drill-free dentistry" techniques such as laser treatments and air polishing.

Manoj accepts referrals from dentists in the region and has been involved in the teaching of dental students and qualified dentists. He is a Faculty Member of the British Society of Periodontology, in recognition of his involvement in teaching and education, and in 2018 he will be on its Executive Council. Manoj is also a member of the European Association for Osseointegration and has presented clinical cases and research both nationally and internationally, winning the Ron Wilson Research Prize awarded by King's College London.

Manoj adopts a gentle, caring and understanding approach, and works with his patients to gain the very best treatment outcomes. You will always feel safe in his hands and he will always be open to answer any questions you may have.

Somayeh Modarres -Simmons

GDC No. 83687 BDS (London) 2004; Dip Endo (London) 2008; MClinDent (Endo) (London) 2014; MEndo RCS (Edinburgh) 2014

Specialist in endodontics (root canal treatment)

Somayeh graduated in dentistry from King’s College London in 2004. She worked in general practice before attaining a diploma in endodontic practice with merit. After four years of specialist training in endodontic (root canal) treatment, Somayeh attained a master of clinical dentistry degree with merit and membership in endodontics from the Royal College of Surgeons of Edinburgh. Somayeh is our Specialist in endodontics at Elmsleigh House.

Kostas Spathoulas

GDC No. 85031 DDS, DipOrth

Specialist in orthodontics - bespoke braces for all ages

Kostas graduated in dentistry from the Carol Davila Institute, Bucharest, in 2000. He completed his diploma in orthodontics in 2003 and became a specialist in orthodontics in 2004. After working in Athens military hospital, Kostas moved to the UK in 2005 and established a specialist orthodontics practice in Aberdeen, Scotland. In 2011 Kostas and his family relocated to London, where he practiced in Harley Street. Kostas is our Specialist in orthodontics at Elmsleigh House, providing orthodontic treatment for children and adults. He uses cutting edge 3D scanning technology to plan and monitor treatment, such as Invisalign clear aligners to predictably move teeth into position.

Olivia O'Neil-Dunne

GDC No. 80825 BDS, MDS (Pros HK)

General and cosmetic dentistry with a special interest in prosthodontics (complex restoration) and facial aesthetics

Olivia has over 20 years of experience working in general practice. She was awarded a Masters in Prosthodontics in 2008, which provides her with advanced knowledge and experience in managing challenging cosmetic restorative cases, tooth wear, complex removable dentures and jaw pain. 

Olivia has a special interest in cosmetic dental procedures to enhance a smile, including anti-wrinkle treatment for a rejuvenated appearance.

Her broad understanding together with her friendly attitude helps to provide a highly professional service in a relaxed environment. 

Joey Heath

GDC No. 290563 BSc Global Health (Bristol), BDS (Bristol)

General and cosmetic dentistry with a special interest in bruxism and temporomandibular joint disorders (TMJD)

Joey studied dentistry at the University of Bristol. After qualifying, she has worked in NHS and private practice. Joey offers general dentistry at Elmsleigh House, with a special interest in cosmetic and restorative dentistry such as composite fillings.

Joey also offers botox treatment for facial aesthetics as well as for treating bruxism (clenching and grinding) and migraines. She also has a special interest in temporomandibular joint (TMJ) disorders and treatment with splints/mouthguards and botox.

Professor Bill Sharpling

GDC No. 110363, RDT, MBA, DipCDT RCS (Eng), FDTFEd RCSEd, FCGDent

Honorary Professor; CDT with a special interest in implant-stabilised and removable dentures

We are delighted that Professor Bill Sharpling, our dentures expert at Elmsleigh House, is included in Dentistry magazine's prestigious list of the top 50 influencers in the dental profession 2024.

This is in addition to Bill's inclusion in Dentistry's 2023 Laboratory’s Leading 20, where he is recognised for his influence in driving dental technology forward.

Bill qualified in 1986 and spent the next 10 years gaining advanced qualifications in fixed and removable prosthodontics. Bill worked in the Armed Forces and as the Chief Instructor in Conservative Dental Technology at Guy’s Hospital Dental School. In 2008 he completed the Diploma in Clinical Dental Technology at the Royal College of Surgeons (England). In February 2020 he was awarded Fellowship of the Royal College of Surgeons, Edinburgh, and in July 2021 Fellowship of The College of General Dentistry. In March 2022, Bill was awarded Honorary Professor, RAK College of Dental Sciences.

Bill is Associate Dean for Continuing Professional Development and Director of the London Dental Education Centre (LonDEC) at the Faculty of Dentistry, King’s College London; he is a teacher and examiner for the MSc Aesthetic Dentistry & MClinDent programmes. 

Bill has lectured extensively within the UK and internationally, and is on the editorial board of the Royal College of Surgeons' Primary Dental Care. He has published papers and has authored chapters in Elsevier's Essentials of Esthetic Dentistry - Principles of Practice and Wiley's Practical Procedures in Aesthetic Dentistry.

Bill serves on the Faculty of General Dental Practice Dental Care Professionals Committee at the Royal College of Surgeons, and sits on the All-Party Parliamentary Group for Dentistry contributing to oral health strategies that form part of governmental policy. He is also a national and international opinion leader to several dental companies.

Bill has also been supportive of charitable work and help set up the dental laboratory at the Chitrakoot charity project in northern India.

Bill is a Council member of The College of General Dentistry, a Fellow of the College of General Dentistry (FCGDent) and has been awarded Fellowship of the Faculty of Dental Trainers at the Royal College of Surgeons of Edinburgh (FDTFEd RCSEd).

Bill is the only practicing CDT globally to have been awarded Fellowship of the International Team for Implantology (ITI) and he is also a Fellow of the British Academy of Restorative Dentistry. 

Ellen Knaap

GDC No. 4838 CBD Dip Dental Hygiene 1995; LHMC Dip Dental Therapy 1995

Dental Therapist

Ellen qualified as a dental nurse in 1991. She then went to the Royal London Hospital School of Dentistry where she obtained a Diploma in Dental Hygiene and a Diploma with distinction in Dental Therapy in 1995. Ellen and the hygiene team book well ahead for their services using Airflow technology for an enhanced professional clean.

Adrienne Willoughby

GDC No. 2421 CEB Cert Dental Hygiene 1982

Hygienist

Adrienne Willoughby worked as a dental nurse for three years before training to become a hygienist with the Royal Army Dental Corps, where she qualified in 1982. After working in Woking, Adrienne went to work in an American hospital in Hong Kong for two years. After returning to the UK, she joined Elmsleigh House as the first hygienist in our team. Adrienne and the hygiene team book well ahead for their services using Airflow technology for an enhanced professional clean.

Gillian Singh

GDC No. 5162 CEB Dip Dental Hygiene 1996

Hygienist

Gillian qualified as a dental nurse in 1994 at the Royal Victoria Hospital, Belfast, and then as a hygienist in 1996 at the Belfast School of Dental Hygiene. Gillian worked in London for two years, and is now part of the hygienist team at Elmsleigh House. Gillian and the hygiene team book well ahead for their services using Airflow technology for an enhanced professional clean.

Katrina Reid

GDC No. 239419 BSc Dental Hygiene and Dental Therapy 2017; Cert Dental Nursing, 2012

Dental therapist and facial practitioner

After working as a dental nurse, Katrina qualified as a dental hygiene therapist at Portsmouth University in 2017. She then trained in dental therapy and joined the dental hygiene team at Elmsleigh House in January 2019. Katrina and the hygiene team book well ahead for their services using Airflow technology for an enhanced professional clean.

Katrina has since studied facial aesthetic treatments and now offers a range of rejuvenating facial treatments at Elmsleigh House.

Becky Clunie

GDC No. 271772 Bsc (Hons) Dental Hygiene 2022

Hygienist

Becky joined Elmsleigh House in March 2025. She first completed her Certificate of Higher Education in Dental Nursing in 2017 and went on to complete her BSc (Hons) in Dental Hygiene in 2022 at the University of Portsmouth; since then she has worked in both NHS and private settings. She is a welcome addition to the dental hygiene team, who book well ahead for their services using Airflow technology for an enhanced professional clean.

Tim Thackrah

GDC No. 57364 BDS, LDS RCS

Clinic Owner and Chairman

Tim Thackrah qualified with honours at the Royal Dental Hospital, London, in 1982. He has worked in hospitals, NHS care, teaching and, since 1986, private practice at Elmsleigh House Dental Clinic.

With more than 30 years’ experience in implant dentistry, Tim has lead the dental implant team at Elmsleigh House. Tim has undertaken advanced courses and placed thousands of implants, written books on dental implants and the dental scorecard, and has run seminars to teach other dentists.

Tim became Chairman of Elmsleigh House Dental Clinic in April 2022.

Cat Collins

Managing Director and Practice Manager

Cat joined Elmsleigh House in January 2010 as Operations Manager, a new position within the clinic. She has been part of the dental industry for more than a decade and brings her experience of marketing, purchasing, customer service and operations management to Elmsleigh House. Cat is now Managing Director and Practice Manager of Elmsleigh House Dental Clinic.