Meet The Team

Dr Andrea Ooi Se En

Bariatric and Metabolic Surgeon


Dip. Laparoscopic Surgery (India)

Fellow in Bariatric and Metabolic Surgery (Taiwan)


Dr. Andrea Ooi is a dedicated surgeon who has more than 17 years of medical experience under her belt. She has helped many individuals achieve and sustain their ideal weight through bariatric surgery over the years. She is also an expert in obesity and metabolic management and has published more than ten research articles and presentations related to this field.

Dr Saifullah Muzakir Yusop

Medical Officer


Certification from World Obesity Federation on Obesity Management (SCOPE Certified)

Dr Saifullah is an obesity management doctor, with years of experience and enthusiasm to help as many people as possible to combat obesity. He believes in order to fight obesity, scientific and evidence based approaches need to be used to ensure the best and most realistic outcome for the patients.

He is also a patient’s advocate for obesity, helping to spread awareness about the issue and doing his part to dispel the common misconceptions about obesity. 

Dr Lennie Soo

Clinical Psychologist

Doctorate in counselling psychology and clinical hypnotherapy

Dr Soo has an extensive experience in clinical and general counselling. Her specialisations are in addiction, relationship, trauma, grief and loss, psychosomatic, developmental and mental health issues.


She also has a doctorate in clinical hypnotherapy, where she applies hypnosis towards management of behavioural, emotional and cognitive issues like addiction, eating disorders, phobias, mental and other psychological disorders.

Ms Poh Wai Leng

Registered Dietitian

Master of Nutrition and Dietetics

Member of Malaysian Dietitians Associations (MDA) and Dietitians Association of Australia

Ms Poh has a vast experience in the field of nutritional advice in the healthcare and community setting. She also enjoys sharing her knowledge of nutrition and food with the patients to enhance their quality of life.

Thian Huiang Yap (Tim)

Certified Exercise Physiologist

Ms Helen Teh

Patient Coordinator and administrator

Ms Helen has years of experience leading the advocacy efforts by many NGOs in promoting health awareness and championing the rights of people with learning disability.   

Consultation Address:
Klinik Mediskin

Jalan PJS 11/28b, Bandar Sunway,

46150 Petaling Jaya,

Selangor, Malaysia

+6012-372 3206

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©2019 by Andrea Bariatric Surgery.