Ms. Mah is a Registered Dietitian and member of the Singapore Dietetic and Nutrition Association (SNDA).

Sei Ying earned a Bachelor of Science (Honours) in Dietetics with Nutrition at International Medical University (Malaysia). She completed her dietetic internship in Food Service Management, Community Nutrition, and has conducted both inpatient and outpatient nutrition counselling in the hospital setting. Sei Ying is professionally dedicated to improving chronic disease management, with emphasis on diabetes, obesity, hypertension and heart disease.

Sei Ying has developed an interest in cancer nutrition and joined Tucker Medical in 2021. She is well versed in dietary manipulation including vegetarian, low-carb carnivore fasting techniques to help patients achieve their health and medical goals. She also advocates a balanced approach to nutrition and wellness and excels in inspiring patients to develop sustainable eating patterns.

As a way to relax after work, she enjoys going to hot yoga and breathing classes, which she believes will help to rejuvenate the body after a long day. Whenever she has free time, she also loves going to spinning classes, where she enjoys the intensity and rhythm of the beats of the songs while riding the bike.