Meet Team Terra. We are a team of doctors and hair technicians dedicated to serving you with care, compassion and understanding.

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Summer Pra Dap Dr. Joshua Chong Sharmila Shalet Dr. Heng Jiacheng Emily Siriwimon


Summer was born and raised in Selangor, Malaysia from a young age, has been immersed in vocations that demand a high level of customer service for a whole decade. She joined Terra Medical Clinic’s bevy of hair transplant technicians and demonstrated a deep interest in the field from the very beginning.

Not only skilled in follicle graft extraction, dissection and placement, Summer is also avidly involved in advancing the unique Terra Medical Clinic protocol of the Hydrafacial Keravive scalp treatment.

In her leisure time, you can find Summer keeping fit through her disciplined regime of cardio-based exercises and enjoying quality time with her loved ones.

Summer is fluent in the English, Mandarin and Malay languages, as well as Cantonese dialect.

Pra Dap

Pra Dap originates from Pendang Kedah, Malaysia and is of Thai Chinese descent. She joined the Terra Medical Clinic staff roster as a receptionist and is now in charge of front desk and finance operations. She graduated with Diploma in Business Administration and has decades of working experience in the beauty industry.

A pleasant demeanor and a heart for client service, Pra Dap helps bring a smile to our patients faces. Ever ready to meet our patients needs, all appointment planning, client requests and E-commerce arrangements go through Pra Dap.

When she is not holding the fort at the front desk, Pra Dap spends time with her family, is an encouraging mother to her young son, bringing him to various enrichment classes. She also enjoys cooking and baking and volunteer at her son’s school.

Pra Dap is fluent in the English, Mandarin, Malay and Thai languages.

Dr. Joshua Chong

Dr Joshua Chong graduated from Monash University, Melbourne, Australia in 2010 with the degrees of Bachelor of Medicine and Bachelor of Surgery with Honours. He is a full member of the International Society of Hair Restoration Surery (ISHRS) and is a Diplomate of the American Board of Hair Restoration Surgery (ABHRS), the two global certifying bodies of hair restoration surgery.

Dr Joshua Chong established Terra Medical Clinic to be the first fully hair restoration focused clinic in Singapore and practices hair restoration medicine and surgery full time. He has a special interest in FUE or Follicular Unit Excision and Extraction surgery, regenerative medicine for hair loss, cosmetic hairline lowering in Asian Females and holistic management of hair loss conditions including lifestyle and nutritional management.

He has been invited to workshops and lectures regionally and internationally on the use of Regenera Activa Micrograft Transfer technology for the treatment of hair loss and has been involved in clinical trials involving novel hair loss treatments.


Sharmila graduated from Republic Polytechnic in 2020 with a Diploma in Health Management and joined Terra Medical Clinic’s corps of hair restoration technicians. Affectionately known as Shar to the rest of the team, her enthusiasm and passion for the role is always on display.

Due to her knack for theoretical hair biology and being a stickler for protocols, Shar has doubled up as the role for research assistant for Terra’s clinical studies including the Nourkrin Hair Growth+ inClinic study and the CG210 Forte patient experience study. Besides assisting in hair transplantation surgery, Sharmila is also skilled in performing TrichoLAB Studio trichoscopy protocols.

When she is not in the clinic, you may find Sharmila working hard at her own perfume e-commerce venture, café hopping, trying out new food, hanging out with her pet parrot or travelling to various exotic destinations to immerse herself in different cultures.

Shar is fluent in the English and Malay languages.


Shalet moved to Singapore from her hometown in Seremban, Malaysia and has a wealth of in experience the health care sector, with a particularly profound immersion in the surgical setting. She has been assisting in hair transplantation surgeries since 2010 and has witnessed the evolution of FUE hair transplantation techniques and technology over the last decade. Prior to that, Shalet was honing her skills by assisting in other forms of microsurgery, such as eye surgery.

With decades of experience and knowledge about hair restoration under her belt, Shalet takes on the additional responsibility of helping to train the other team members, both technically and theoretically. Shalet not only routinely performs surgery, she also ensures that patients receive the appropriate advice during pre-op and post-op counselling and is involved in Terra Medical Clinic’s telemedicine program.

Having to keep up with 2 young sons, you will find Shalet actively seeking outdoor adventures and keeping fit with yoga outside of work. Shalet is also a certified Yoga instructor.

Shalet is fluent in the English, Mandarin and Malay languages and the dialect of Cantonese.

Dr. Heng Jiacheng

Dr Heng Jiacheng graduated from NUS Yong Loo Lin School of Medicine (YLLSOM), Singapore with a Bachelor of Medicine and Bachelor of Surgery. He is a member of the American Academy of Aesthetic Medicine (AAAM) and obtained his post graduate diploma in aesthetic medicine in December 2022 under AAAM.

Having struggled with male-patterned hair loss since the age of 18, Dr Heng's interest in hair loss conditions is deeply personal, especially in surgical hair restoration. In 2022, he underwent a hair transplant procedure under the skilled hands of Dr Joshua Chong. Having walked through the hair restoration journey in the shoes of a patient, he trusts that this experience will help him care for his patients better.

A firm believer that hair is a reflection of one’s health and an inevitable facet of self confidence, Dr Heng takes a holistic approach rooted in evidence-based medicine when it comes to the management of hair conditions.


Emily hails from Bukit Mertajam, Penang, Malaysia and graduated with a Degree in Mass Communication (Broadcasting) from the University Tunku Abdul Rahim. After a career in the fashion and media industry, Emily’s mid-career switch to join the Terra Medical Clinic hair transplant technician training program facilitated a natural skill-transfer – that of meticulous attention to detail, time-crucial task completion, fine-motor skills and most importantly, an eye for aesthetics.

Emily contributes to the team, not only by being proficient at techniques utilized in the operating room, but also a brings a cheerful disposition and ever-ready attitude to the clinic daily.

Away from the practice of hair restoration, Emily enjoys travelling, exploring new food joints, jogging, hiking and due to her bubbly nature, naturally, socializing with her ever growing group of friends.

Emily is fluent in the English, Mandarin, Malay language and the Hokkien dialect.


Siriwimon introduces herself as Siri, which on digital communication, sometimes seems befuddles our patients. Siriwimon graduated from Mahidol University, Thailand with Bachelor of Science (Clinical Laboratory Science) in 2009 and Master of Science (Forensic Science and Technology) in 2013 and has extensive experience in handling biological tissue and managing a laboratory.

Siriwimon has been a hair transplant technician since 2016 and through hands-on experience in hundreds of cases, has developed skill proficiency in manual and robotic FUE hair transplantation as well as astute hair restoration related clinical judgement.

As the Clinic Manager, she plays an important role in clinic operational planning and handling the day-to-day challenges of a busy clinic.

She is a mother to a young child with a congenital heart condition (hypoplastic left heart syndrome) and in line with her empathic and compassionate personality, is passionate about helping other parents who are going through the same experience.

Siriwimon is fluent in the English and Thai languages.