Greenleaves Staff

Get to know us a little
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Dr Martin Whelan

(Principle) BChD Pretoria GDC No 76240 

Dental Surgeon, Implantologist, Cosmetic Dentist, Cert Sedation 

Martin graduated from the University of Pretoria, South Africa in 1997 and has been the proud owner of Greenleaves Dental Practice since 2008.

Martin is very passionate about all the work he does and is dedicated to providing an outstanding level of dental care. He has extensive knowledge in implantology and is a leading facial cosmetic consultant with 15 years’ experience in facial aesthetics, working in clinics down Wimpole Street performing a lot of cosmetic work to high end clientele.

Martin has been an accredited trainer by NHS East of England Multi-Professional Deanery for the past 5 years. He has served for the last 4 years on the local Dental Council and has recently been selected to serve on the British Dental Association.

He has been training new Vocational Dentists the importance of working in practice from university. Guiding them in the importance of correct treatment planning.

Martin has an amazing relationship with all his patients and staff who highly respect him.

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Wiyada Khongsup, (Whelan)

Beauty Therapist

Wiayda has been a beauty therapist for over 10 years and experienced in Thai Massages.

She joined Greenleaves Dental 4 years ago and has been a great addition to our team, Helping our patients feel relaxed before and after they go into the surgery for their beauty treatments.

She has completed a course in our wonderful ZO Skin Health range, so if you have any questions please feel free to ask Wiyada on the days she is in.

Wiyada works alongside Dr Martin Whelan every other Saturday on our practice Beauty Days, where our clients come in to feel extra special.

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Dr Williem Venter

BChD Pretoria GDC No 54385

Dental Surgeon, Implantologist

Willem joined Greenleaves Dental Practice in 2014, having over 30 years’ experience working in dentistry. He has been working as an Implant Dentist for the last 16 years, with a special interest in Root Canal Treatments and has been a great addition to the Dental Practice.

Willem has a great passion for all work he carries out on patients, always putting patients’ needs first.

Outside of the Dental Implant world Williem loves to Travel and Read.

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Dr Costa Petrou

BDS UCLan GDC No 251222

Dental Surgeon, Cosmetic Dentist

Costa Graduated from The University of Central Lancashire. He is passionate about dentistry having a special interest in smile make overs and Facial Aesthetics.

Costa believes every patient he sees should have complete confidence in smiling and does his utmost effort in achieving this. He has a very relaxed & friendly approach towards patients, committed to providing excellent patient centred dentistry.

Costa believes in continuing his professional development and regularly attends courses.

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Dr Michael Taylor

BDS Kings College London GDC No:- 211376

Invisilign Orthodontist, Dental Surgeon

Michael qualified from Kings college London and Joined Greenleaves Dental Practice in 2011.

As well as being a Dental Surgeon, Michael is a certified platinum practitioner for Invisalign Braces making hundreds of patients smile more using Invisalign.

As well as being one of the best Invisalign practitioners in Hertfordshire, he is also an accredited Vocational Trainer for the East Of England.

Michael has extensive experience working with anxious patients as well as children. He always puts his patients needs first, making sure they feel completely comfortable and have full trust in him.

Michael is very friendly, an extremely happy individual who never fails to put a smile on your face.

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Tahmina Atrafi

BSc Netherlands GDC NO:- 213381


 Tahmina originally from Holland, Qualified in the Netherlands as a Dental Hygienist.

She joined Greenleaves Dental practice in 2014 and has been a great addition to our practice team.

Tahmina is passionate about her role as a hygienist, always caring for her patients, helping in giving advice for techniques the patient could apply at home for better oral health. Her special interests lie in treating gum disease and is qualified to administrate local anaesthetic for those individual patients that might be a little more sensitive.

She feels all her patients should be 100% confident in smiling knowing their teeth are well looked after.

Tahmina is a very caring, kind and a helpful individual.

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Emese Bereczki

BSc Budapest GDC NO:- 176758


Emese has been qualified and a registered dental care professional in the UK for 10 years and has been working as a Dental Hygienist for the past 5 years. Originally from Hungary and qualifying in Budapest, she has recently completed a Batchelor Science Degree in homeopathy which helps to raise patient care to a higher level in dentistry.

Emese is an extremely gentle and caring hygienist who never fails in having any of our patients walk out the surgery without a smile of their face.

She truly has been an amazing addition to our practice.

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Lina Petrone

GDC NO:- 206635

Dental Nurse

Lina Joined our team in 2011 and has been an amazing addition to our practice.

She is experienced in different aspects of dentistry, Easy going, Very calm and is extremely helpful.

Lina can speak fluent Lithuanian and Russian as well as English.

She enjoys travelling and spending time with her family..

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Nela Vlad

GDC NO:- 246946

Head Dental Nurse

Nela joined Greenleaves Dental Practice in 2014 and is our Head Dental Nurse.

She qualified from Eastman’s dental and has been a dental nurse for many years. Starting her nursing career in a very well-known practice in Oxford Street.

Nela is a very professional, Hardworking individual, who puts her heart and soul into the work she does. She believes every Dental nurse should always continue to improve their knowledge by regularly attending curses. Nela is in charge of Cross-Infection within the practice and was highly praised by the CQC inspector, who advised her to become a cross infection teacher. 

Nela has recently finished her Diploma as an advanced Implant Dental Nurse and is looking into teaching as well.

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Hope Zalwango

GDC No:- 211376

Dental Nurse

Hope has been a qualified dental nurse for almost 10 years and has a wealth of knowledge and experience.

She works alongside Costa, supporting him with many advance and complex treatments.

Hope is very popular with staff and patients as she is an easy going, gentle and caring Dental Nurse who always has a smile.

“A mature wine indeed”

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Pardeep Minhas

Practice Manager

Pardeep Joined Greenleaves Dental Practice a year ago and has managerial experience for over 10 years, starting her career as just a Dental Receptionist.

She has attended management courses by Seema Sharma a very well established Dentist.

Pardeep is a very organised individual, who has brought a lot of knowledge to the practice. She has implemented the changes necessary to make Greenleaves Dental Practice stand out within the local area.

She is very dedicated to her role as a practice manager and is always looking for ways to improve our level of patient care.

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Gemma Denham


Gemma joined the practice in 2016 as the head receptionist.

She is very efficient and makes sure our reception runs smoothly on a daily basis.

Gemma has a very bubbly personality that all our patients love.